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authorRoland McGrath <roland@hack.frob.com>2014-07-07 09:28:38 -0700
committerRoland McGrath <roland@hack.frob.com>2014-07-07 09:28:38 -0700
commit08192659bbeae149e7cb1f4c43547257f7099bb0 (patch)
tree9f602a4e9f0aefdb06bc15a76be46e958e91a58f /sysdeps/unix
parent96baf6ffc57b811bbc424a1fc72ef77dd56d7a18 (diff)
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Get rid of nptl/sysdeps/ entirely!
Diffstat (limited to 'sysdeps/unix')
-rw-r--r--sysdeps/unix/sysv/linux/Makefile8
-rw-r--r--sysdeps/unix/sysv/linux/aarch64/sigaction.c10
-rw-r--r--sysdeps/unix/sysv/linux/aio_misc.h68
-rw-r--r--sysdeps/unix/sysv/linux/allocrtsig.c55
-rw-r--r--sysdeps/unix/sysv/linux/alpha/sem_post.c2
-rw-r--r--sysdeps/unix/sysv/linux/arm/sigaction.c10
-rw-r--r--sysdeps/unix/sysv/linux/getpid.c64
-rw-r--r--sysdeps/unix/sysv/linux/i386/sigaction.c10
-rw-r--r--sysdeps/unix/sysv/linux/ia64/sigaction.c10
-rw-r--r--sysdeps/unix/sysv/linux/kernel-posix-timers.h67
-rw-r--r--sysdeps/unix/sysv/linux/mips/sigaction.c9
-rw-r--r--sysdeps/unix/sysv/linux/mq_notify.c251
-rw-r--r--sysdeps/unix/sysv/linux/pt-raise.c (renamed from sysdeps/unix/sysv/linux/ia64/fork.S)44
-rw-r--r--sysdeps/unix/sysv/linux/pthread_getaffinity.c59
-rw-r--r--sysdeps/unix/sysv/linux/pthread_getcpuclockid.c44
-rw-r--r--sysdeps/unix/sysv/linux/pthread_getname.c72
-rw-r--r--sysdeps/unix/sysv/linux/pthread_kill.c66
-rw-r--r--sysdeps/unix/sysv/linux/pthread_setaffinity.c104
-rw-r--r--sysdeps/unix/sysv/linux/pthread_setname.c65
-rw-r--r--sysdeps/unix/sysv/linux/pthread_sigqueue.c81
-rw-r--r--sysdeps/unix/sysv/linux/raise.c58
-rw-r--r--sysdeps/unix/sysv/linux/s390/jmp-unwind.c2
-rw-r--r--sysdeps/unix/sysv/linux/s390/pthread_mutex_cond_lock.c2
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-64/sigaction.c10
-rw-r--r--sysdeps/unix/sysv/linux/sigaction.c10
-rw-r--r--sysdeps/unix/sysv/linux/sigtimedwait.c1
-rw-r--r--sysdeps/unix/sysv/linux/sigwait.c1
-rw-r--r--sysdeps/unix/sysv/linux/sigwaitinfo.c1
-rw-r--r--sysdeps/unix/sysv/linux/sleep.c1
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c9
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc64/sigaction.c9
-rw-r--r--sysdeps/unix/sysv/linux/syscalls.list1
-rw-r--r--sysdeps/unix/sysv/linux/timer_create.c179
-rw-r--r--sysdeps/unix/sysv/linux/timer_delete.c73
-rw-r--r--sysdeps/unix/sysv/linux/timer_getoverr.c41
-rw-r--r--sysdeps/unix/sysv/linux/timer_gettime.c43
-rw-r--r--sysdeps/unix/sysv/linux/timer_routines.c196
-rw-r--r--sysdeps/unix/sysv/linux/timer_settime.c46
-rw-r--r--sysdeps/unix/sysv/linux/tst-setgetname.c315
-rw-r--r--sysdeps/unix/sysv/linux/x86/pthread_mutex_cond_lock.c2
-rw-r--r--sysdeps/unix/sysv/linux/x86_64/sigaction.c11
41 files changed, 1989 insertions, 121 deletions
diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile
index 02eda45..9ad6d22 100644
--- a/sysdeps/unix/sysv/linux/Makefile
+++ b/sysdeps/unix/sysv/linux/Makefile
@@ -144,6 +144,10 @@ sysdep_headers += bits/initspin.h
sysdep_routines += sched_getcpu
tests += tst-getcpu
+
+CFLAGS-fork.c = $(libio-mtsafe)
+CFLAGS-getpid.o = -fomit-frame-pointer
+CFLAGS-getpid.os = -fomit-frame-pointer
endif
ifeq ($(subdir),inet)
@@ -190,3 +194,7 @@ ifeq ($(subdir),nscd)
sysdep-CFLAGS += -DHAVE_EPOLL -DHAVE_SENDFILE -DHAVE_INOTIFY -DHAVE_NETLINK
CFLAGS-gai.c += -DNEED_NETLINK
endif
+
+ifeq ($(subdir),nptl)
+tests += tst-setgetname
+endif
diff --git a/sysdeps/unix/sysv/linux/aarch64/sigaction.c b/sysdeps/unix/sysv/linux/aarch64/sigaction.c
index 7dabe46..ae6c3fd 100644
--- a/sysdeps/unix/sysv/linux/aarch64/sigaction.c
+++ b/sysdeps/unix/sysv/linux/aarch64/sigaction.c
@@ -67,12 +67,4 @@ __libc_sigaction (int sig, const struct sigaction *act, struct sigaction *oact)
}
libc_hidden_def (__libc_sigaction)
-#ifdef WRAPPER_INCLUDE
-# include WRAPPER_INCLUDE
-#endif
-
-#ifndef LIBC_SIGACTION
-weak_alias (__libc_sigaction, __sigaction)
-libc_hidden_weak (__sigaction)
-weak_alias (__libc_sigaction, sigaction)
-#endif
+#include <nptl/sigaction.c>
diff --git a/sysdeps/unix/sysv/linux/aio_misc.h b/sysdeps/unix/sysv/linux/aio_misc.h
new file mode 100644
index 0000000..58ac451
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/aio_misc.h
@@ -0,0 +1,68 @@
+/* Copyright (C) 2004-2014 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Jakub Jelinek <jakub@redhat.com>, 2004.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If
+ not, see <http://www.gnu.org/licenses/>. */
+
+#ifndef _AIO_MISC_H
+# include_next <aio_misc.h>
+# include <limits.h>
+# include <pthread.h>
+# include <signal.h>
+# include <sysdep.h>
+
+# define aio_start_notify_thread __aio_start_notify_thread
+# define aio_create_helper_thread __aio_create_helper_thread
+
+extern inline void
+__aio_start_notify_thread (void)
+{
+ sigset_t ss;
+ sigemptyset (&ss);
+ INTERNAL_SYSCALL_DECL (err);
+ INTERNAL_SYSCALL (rt_sigprocmask, err, 4, SIG_SETMASK, &ss, NULL, _NSIG / 8);
+}
+
+extern inline int
+__aio_create_helper_thread (pthread_t *threadp, void *(*tf) (void *),
+ void *arg)
+{
+ pthread_attr_t attr;
+
+ /* Make sure the thread is created detached. */
+ pthread_attr_init (&attr);
+ pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
+
+ /* The helper thread needs only very little resources. */
+ (void) pthread_attr_setstacksize (&attr, __pthread_get_minstack (&attr));
+
+ /* Block all signals in the helper thread. To do this thoroughly we
+ temporarily have to block all signals here. */
+ sigset_t ss;
+ sigset_t oss;
+ sigfillset (&ss);
+ INTERNAL_SYSCALL_DECL (err);
+ INTERNAL_SYSCALL (rt_sigprocmask, err, 4, SIG_SETMASK, &ss, &oss, _NSIG / 8);
+
+ int ret = pthread_create (threadp, &attr, tf, arg);
+
+ /* Restore the signal mask. */
+ INTERNAL_SYSCALL (rt_sigprocmask, err, 4, SIG_SETMASK, &oss, NULL,
+ _NSIG / 8);
+
+ (void) pthread_attr_destroy (&attr);
+ return ret;
+}
+#endif
diff --git a/sysdeps/unix/sysv/linux/allocrtsig.c b/sysdeps/unix/sysv/linux/allocrtsig.c
new file mode 100644
index 0000000..0ed7d08
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/allocrtsig.c
@@ -0,0 +1,55 @@
+/* Copyright (C) 2002-2014 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <signal.h>
+
+
+static int current_rtmin = __SIGRTMIN + 2;
+static int current_rtmax = __SIGRTMAX;
+
+
+/* We reserve __SIGRTMIN for use as the cancelation signal. This
+ signal is used internally. */
+int
+__libc_current_sigrtmin (void)
+{
+ return current_rtmin;
+}
+libc_hidden_def (__libc_current_sigrtmin)
+strong_alias (__libc_current_sigrtmin, __libc_current_sigrtmin_private)
+
+
+int
+__libc_current_sigrtmax (void)
+{
+ return current_rtmax;
+}
+libc_hidden_def (__libc_current_sigrtmax)
+strong_alias (__libc_current_sigrtmax, __libc_current_sigrtmax_private)
+
+
+int
+__libc_allocate_rtsig (int high)
+{
+ if (current_rtmin == -1 || current_rtmin > current_rtmax)
+ /* We don't have anymore signal available. */
+ return -1;
+
+ return high ? current_rtmin++ : current_rtmax--;
+}
+strong_alias (__libc_allocate_rtsig, __libc_allocate_rtsig_private)
diff --git a/sysdeps/unix/sysv/linux/alpha/sem_post.c b/sysdeps/unix/sysv/linux/alpha/sem_post.c
index befa497..9d44953 100644
--- a/sysdeps/unix/sysv/linux/alpha/sem_post.c
+++ b/sysdeps/unix/sysv/linux/alpha/sem_post.c
@@ -2,4 +2,4 @@
the acquire/release semantics of atomic_exchange_and_add. And even if
we don't do this, we should be using atomic_full_barrier or otherwise. */
#define __lll_rel_instr "mb"
-#include <nptl/sysdeps/unix/sysv/linux/sem_post.c>
+#include <nptl/sem_post.c>
diff --git a/sysdeps/unix/sysv/linux/arm/sigaction.c b/sysdeps/unix/sysv/linux/arm/sigaction.c
index 24a2774f8..8bd2adf 100644
--- a/sysdeps/unix/sysv/linux/arm/sigaction.c
+++ b/sysdeps/unix/sysv/linux/arm/sigaction.c
@@ -84,12 +84,4 @@ __libc_sigaction (sig, act, oact)
}
libc_hidden_def (__libc_sigaction)
-#ifdef WRAPPER_INCLUDE
-# include WRAPPER_INCLUDE
-#endif
-
-#ifndef LIBC_SIGACTION
-weak_alias (__libc_sigaction, __sigaction)
-libc_hidden_weak (__sigaction)
-weak_alias (__libc_sigaction, sigaction)
-#endif
+#include <nptl/sigaction.c>
diff --git a/sysdeps/unix/sysv/linux/getpid.c b/sysdeps/unix/sysv/linux/getpid.c
new file mode 100644
index 0000000..937b1d4
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/getpid.c
@@ -0,0 +1,64 @@
+/* Copyright (C) 2003-2014 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <unistd.h>
+#include <tls.h>
+#include <sysdep.h>
+
+
+#ifndef NOT_IN_libc
+static inline __attribute__((always_inline)) pid_t really_getpid (pid_t oldval);
+
+static inline __attribute__((always_inline)) pid_t
+really_getpid (pid_t oldval)
+{
+ if (__glibc_likely (oldval == 0))
+ {
+ pid_t selftid = THREAD_GETMEM (THREAD_SELF, tid);
+ if (__glibc_likely (selftid != 0))
+ return selftid;
+ }
+
+ INTERNAL_SYSCALL_DECL (err);
+ pid_t result = INTERNAL_SYSCALL (getpid, err, 0);
+
+ /* We do not set the PID field in the TID here since we might be
+ called from a signal handler while the thread executes fork. */
+ if (oldval == 0)
+ THREAD_SETMEM (THREAD_SELF, tid, result);
+ return result;
+}
+#endif
+
+pid_t
+__getpid (void)
+{
+#ifdef NOT_IN_libc
+ INTERNAL_SYSCALL_DECL (err);
+ pid_t result = INTERNAL_SYSCALL (getpid, err, 0);
+#else
+ pid_t result = THREAD_GETMEM (THREAD_SELF, pid);
+ if (__glibc_unlikely (result <= 0))
+ result = really_getpid (result);
+#endif
+ return result;
+}
+
+libc_hidden_def (__getpid)
+weak_alias (__getpid, getpid)
+libc_hidden_def (getpid)
diff --git a/sysdeps/unix/sysv/linux/i386/sigaction.c b/sysdeps/unix/sysv/linux/i386/sigaction.c
index 778037a..b0e7105 100644
--- a/sysdeps/unix/sysv/linux/i386/sigaction.c
+++ b/sysdeps/unix/sysv/linux/i386/sigaction.c
@@ -84,15 +84,7 @@ __libc_sigaction (int sig, const struct sigaction *act, struct sigaction *oact)
}
libc_hidden_def (__libc_sigaction)
-#ifdef WRAPPER_INCLUDE
-# include WRAPPER_INCLUDE
-#endif
-
-#ifndef LIBC_SIGACTION
-weak_alias (__libc_sigaction, __sigaction)
-libc_hidden_weak (__sigaction)
-weak_alias (__libc_sigaction, sigaction)
-#endif
+#include <nptl/sigaction.c>
/* NOTE: Please think twice before making any changes to the bits of
code below. GDB needs some intimate knowledge about it to
diff --git a/sysdeps/unix/sysv/linux/ia64/sigaction.c b/sysdeps/unix/sysv/linux/ia64/sigaction.c
index 97f7f49..2033f11 100644
--- a/sysdeps/unix/sysv/linux/ia64/sigaction.c
+++ b/sysdeps/unix/sysv/linux/ia64/sigaction.c
@@ -45,12 +45,4 @@ __libc_sigaction (sig, act, oact)
}
libc_hidden_def (__libc_sigaction)
-#ifdef WRAPPER_INCLUDE
-# include WRAPPER_INCLUDE
-#endif
-
-#ifndef LIBC_SIGACTION
-weak_alias (__libc_sigaction, __sigaction)
-libc_hidden_def (__sigaction)
-weak_alias (__libc_sigaction, sigaction)
-#endif
+#include <nptl/sigaction.c>
diff --git a/sysdeps/unix/sysv/linux/kernel-posix-timers.h b/sysdeps/unix/sysv/linux/kernel-posix-timers.h
new file mode 100644
index 0000000..532da55
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/kernel-posix-timers.h
@@ -0,0 +1,67 @@
+/* Copyright (C) 2003-2014 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If
+ not, see <http://www.gnu.org/licenses/>. */
+
+#include <pthread.h>
+#include <setjmp.h>
+#include <signal.h>
+#include <sys/types.h>
+
+
+/* Nonzero if the system calls are not available. */
+extern int __no_posix_timers attribute_hidden;
+
+/* Callback to start helper thread. */
+extern void __start_helper_thread (void) attribute_hidden;
+
+/* Control variable for helper thread creation. */
+extern pthread_once_t __helper_once attribute_hidden;
+
+/* TID of the helper thread. */
+extern pid_t __helper_tid attribute_hidden;
+
+/* List of active SIGEV_THREAD timers. */
+extern struct timer *__active_timer_sigev_thread attribute_hidden;
+/* Lock for the __active_timer_sigev_thread. */
+extern pthread_mutex_t __active_timer_sigev_thread_lock attribute_hidden;
+
+
+/* Type of timers in the kernel. */
+typedef int kernel_timer_t;
+
+
+/* Internal representation of timer. */
+struct timer
+{
+ /* Notification mechanism. */
+ int sigev_notify;
+
+ /* Timer ID returned by the kernel. */
+ kernel_timer_t ktimerid;
+
+ /* All new elements must be added after ktimerid. And if the thrfunc
+ element is not the third element anymore the memory allocation in
+ timer_create needs to be changed. */
+
+ /* Parameters for the thread to be started for SIGEV_THREAD. */
+ void (*thrfunc) (sigval_t);
+ sigval_t sival;
+ pthread_attr_t attr;
+
+ /* Next element in list of active SIGEV_THREAD timers. */
+ struct timer *next;
+};
diff --git a/sysdeps/unix/sysv/linux/mips/sigaction.c b/sysdeps/unix/sysv/linux/mips/sigaction.c
index 6b808a6..90b1a3b 100644
--- a/sysdeps/unix/sysv/linux/mips/sigaction.c
+++ b/sysdeps/unix/sysv/linux/mips/sigaction.c
@@ -87,15 +87,8 @@ __libc_sigaction (sig, act, oact)
}
libc_hidden_def (__libc_sigaction)
-#ifdef WRAPPER_INCLUDE
-# include WRAPPER_INCLUDE
-#endif
+#include <nptl/sigaction.c>
-#ifndef LIBC_SIGACTION
-weak_alias (__libc_sigaction, __sigaction)
-libc_hidden_weak (__sigaction)
-weak_alias (__libc_sigaction, sigaction)
-#endif
/* NOTE: Please think twice before making any changes to the bits of
code below. GDB needs some intimate knowledge about it to
diff --git a/sysdeps/unix/sysv/linux/mq_notify.c b/sysdeps/unix/sysv/linux/mq_notify.c
index a61839f..d50a9f2 100644
--- a/sysdeps/unix/sysv/linux/mq_notify.c
+++ b/sysdeps/unix/sysv/linux/mq_notify.c
@@ -1,5 +1,6 @@
/* Copyright (C) 2004-2014 Free Software Foundation, Inc.
This file is part of the GNU C Library.
+ Contribute by Ulrich Drepper <drepper@redhat.com>, 2004.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
@@ -15,27 +16,265 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
+#include <assert.h>
#include <errno.h>
+#include <fcntl.h>
#include <mqueue.h>
-#include <stddef.h>
+#include <pthread.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <string.h>
#include <sysdep.h>
+#include <unistd.h>
+#include <sys/socket.h>
+#include <not-cancel.h>
+#include <nptl/pthreadP.h>
+
#ifdef __NR_mq_notify
+/* Defined in the kernel headers: */
+#define NOTIFY_COOKIE_LEN 32 /* Length of the cookie used. */
+#define NOTIFY_WOKENUP 1 /* Code for notifcation. */
+#define NOTIFY_REMOVED 2 /* Code for closed message queue
+ of de-notifcation. */
+
+
+/* Data structure for the queued notification requests. */
+union notify_data
+{
+ struct
+ {
+ void (*fct) (union sigval); /* The function to run. */
+ union sigval param; /* The parameter to pass. */
+ pthread_attr_t *attr; /* Attributes to create the thread with. */
+ /* NB: on 64-bit machines the struct as a size of 24 bytes. Which means
+ byte 31 can still be used for returning the status. */
+ };
+ char raw[NOTIFY_COOKIE_LEN];
+};
+
+
+/* Keep track of the initialization. */
+static pthread_once_t once = PTHREAD_ONCE_INIT;
+
+
+/* The netlink socket. */
+static int netlink_socket = -1;
+
+
+/* Barrier used to make sure data passed to the new thread is not
+ resused by the parent. */
+static pthread_barrier_t notify_barrier;
+
+
+/* Modify the signal mask. We move this into a separate function so
+ that the stack space needed for sigset_t is not deducted from what
+ the thread can use. */
+static int
+__attribute__ ((noinline))
+change_sigmask (int how, sigset_t *oss)
+{
+ sigset_t ss;
+ sigfillset (&ss);
+ return pthread_sigmask (how, &ss, oss);
+}
+
+
+/* The function used for the notification. */
+static void *
+notification_function (void *arg)
+{
+ /* Copy the function and parameter so that the parent thread can go
+ on with its life. */
+ volatile union notify_data *data = (volatile union notify_data *) arg;
+ void (*fct) (union sigval) = data->fct;
+ union sigval param = data->param;
+
+ /* Let the parent go. */
+ (void) pthread_barrier_wait (&notify_barrier);
+
+ /* Make the thread detached. */
+ (void) pthread_detach (pthread_self ());
+
+ /* The parent thread has all signals blocked. This is probably a
+ bit surprising for this thread. So we unblock all of them. */
+ (void) change_sigmask (SIG_UNBLOCK, NULL);
+
+ /* Now run the user code. */
+ fct (param);
+
+ /* And we are done. */
+ return NULL;
+}
+
+
+/* Helper thread. */
+static void *
+helper_thread (void *arg)
+{
+ while (1)
+ {
+ union notify_data data;
+
+ ssize_t n = recv (netlink_socket, &data, sizeof (data),
+ MSG_NOSIGNAL | MSG_WAITALL);
+ if (n < NOTIFY_COOKIE_LEN)
+ continue;
+
+ if (data.raw[NOTIFY_COOKIE_LEN - 1] == NOTIFY_WOKENUP)
+ {
+ /* Just create the thread as instructed. There is no way to
+ report a problem with creating a thread. */
+ pthread_t th;
+ if (__builtin_expect (pthread_create (&th, data.attr,
+ notification_function, &data)
+ == 0, 0))
+ /* Since we passed a pointer to DATA to the new thread we have
+ to wait until it is done with it. */
+ (void) pthread_barrier_wait (&notify_barrier);
+ }
+ else if (data.raw[NOTIFY_COOKIE_LEN - 1] == NOTIFY_REMOVED)
+ /* The only state we keep is the copy of the thread attributes. */
+ free (data.attr);
+ }
+ return NULL;
+}
+
+
+static void
+reset_once (void)
+{
+ once = PTHREAD_ONCE_INIT;
+}
+
+
+static void
+init_mq_netlink (void)
+{
+ /* This code might be called a second time after fork(). The file
+ descriptor is inherited from the parent. */
+ if (netlink_socket == -1)
+ {
+ /* Just a normal netlink socket, not bound. */
+ netlink_socket = socket (AF_NETLINK, SOCK_RAW | SOCK_CLOEXEC, 0);
+ /* No need to do more if we have no socket. */
+ if (netlink_socket == -1)
+ return;
+ }
+
+ int err = 1;
+
+ /* Initialize the barrier. */
+ if (__builtin_expect (pthread_barrier_init (&notify_barrier, NULL, 2) == 0,
+ 0))
+ {
+ /* Create the helper thread. */
+ pthread_attr_t attr;
+ (void) pthread_attr_init (&attr);
+ (void) pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
+ /* We do not need much stack space, the bare minimum will be enough. */
+ (void) pthread_attr_setstacksize (&attr, __pthread_get_minstack (&attr));
+
+ /* Temporarily block all signals so that the newly created
+ thread inherits the mask. */
+ sigset_t oss;
+ int have_no_oss = change_sigmask (SIG_BLOCK, &oss);
+
+ pthread_t th;
+ err = pthread_create (&th, &attr, helper_thread, NULL);
+
+ /* Reset the signal mask. */
+ if (!have_no_oss)
+ pthread_sigmask (SIG_SETMASK, &oss, NULL);
+
+ (void) pthread_attr_destroy (&attr);
+
+ if (err == 0)
+ {
+ static int added_atfork;
+
+ if (added_atfork == 0
+ && pthread_atfork (NULL, NULL, reset_once) != 0)
+ {
+ /* The child thread will call recv() which is a
+ cancellation point. */
+ (void) pthread_cancel (th);
+ err = 1;
+ }
+ else
+ added_atfork = 1;
+ }
+ }
+
+ if (err != 0)
+ {
+ close_not_cancel_no_status (netlink_socket);
+ netlink_socket = -1;
+ }
+}
+
+
/* Register notification upon message arrival to an empty message queue
MQDES. */
int
mq_notify (mqd_t mqdes, const struct sigevent *notification)
{
- /* mq_notify which handles SIGEV_THREAD is included in the thread
- add-on. */
- if (notification != NULL
- && notification->sigev_notify == SIGEV_THREAD)
+ /* Make sure the type is correctly defined. */
+ assert (sizeof (union notify_data) == NOTIFY_COOKIE_LEN);
+
+ /* Special treatment needed for SIGEV_THREAD. */
+ if (notification == NULL || notification->sigev_notify != SIGEV_THREAD)
+ return INLINE_SYSCALL (mq_notify, 2, mqdes, notification);
+
+ /* The kernel cannot directly start threads. This will have to be
+ done at userlevel. Since we cannot start threads from signal
+ handlers we have to create a dedicated thread which waits for
+ notifications for arriving messages and creates threads in
+ response. */
+
+ /* Initialize only once. */
+ pthread_once (&once, init_mq_netlink);
+
+ /* If we cannot create the netlink socket we cannot provide
+ SIGEV_THREAD support. */
+ if (__glibc_unlikely (netlink_socket == -1))
{
__set_errno (ENOSYS);
return -1;
}
- return INLINE_SYSCALL (mq_notify, 2, mqdes, notification);
+
+ /* Create the cookie. It will hold almost all the state. */
+ union notify_data data;
+ memset (&data, '\0', sizeof (data));
+ data.fct = notification->sigev_notify_function;
+ data.param = notification->sigev_value;
+
+ if (notification->sigev_notify_attributes != NULL)
+ {
+ /* The thread attribute has to be allocated separately. */
+ data.attr = (pthread_attr_t *) malloc (sizeof (pthread_attr_t));
+ if (data.attr == NULL)
+ return -1;
+
+ memcpy (data.attr, notification->sigev_notify_attributes,
+ sizeof (pthread_attr_t));
+ }
+
+ /* Construct the new request. */
+ struct sigevent se;
+ se.sigev_notify = SIGEV_THREAD;
+ se.sigev_signo = netlink_socket;
+ se.sigev_value.sival_ptr = &data;
+
+ /* Tell the kernel. */
+ int retval = INLINE_SYSCALL (mq_notify, 2, mqdes, &se);
+
+ /* If it failed, free the allocated memory. */
+ if (__glibc_unlikely (retval != 0))
+ free (data.attr);
+
+ return retval;
}
#else
diff --git a/sysdeps/unix/sysv/linux/ia64/fork.S b/sysdeps/unix/sysv/linux/pt-raise.c
index 496d0b7..fc26e85 100644
--- a/sysdeps/unix/sysv/linux/ia64/fork.S
+++ b/sysdeps/unix/sysv/linux/pt-raise.c
@@ -1,5 +1,6 @@
-/* Copyright (C) 2000-2014 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2014 Free Software Foundation, Inc.
This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
@@ -15,26 +16,23 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
-
+#include <errno.h>
+#include <signal.h>
#include <sysdep.h>
-#define _SIGNAL_H
-#include <bits/signum.h>
-
-/* pid_t fork(void); */
-/* Implemented as a clone system call with parameters SIGCHLD and 0 */
-
-ENTRY(__libc_fork)
- alloc r2=ar.pfs,0,0,2,0
- mov out0=SIGCHLD /* Return SIGCHLD when child finishes */
- /* no other clone flags; nothing shared */
- mov out1=0 /* Standard sp value. */
- ;;
- DO_CALL (SYS_ify (clone))
- cmp.eq p6,p0=-1,r10
-(p6) br.cond.spnt.few __syscall_error
- ret
-PSEUDO_END(__libc_fork)
-
-weak_alias (__libc_fork, __fork)
-libc_hidden_def (__fork)
-weak_alias (__libc_fork, fork)
+#include <tls.h>
+
+
+int
+raise (sig)
+ int sig;
+{
+ /* raise is an async-safe function. It could be called while the
+ fork function temporarily invalidated the PID field. Adjust for
+ that. */
+ pid_t pid = THREAD_GETMEM (THREAD_SELF, pid);
+ if (__glibc_unlikely (pid < 0))
+ pid = -pid;
+
+ return INLINE_SYSCALL (tgkill, 3, pid, THREAD_GETMEM (THREAD_SELF, tid),
+ sig);
+}
diff --git a/sysdeps/unix/sysv/linux/pthread_getaffinity.c b/sysdeps/unix/sysv/linux/pthread_getaffinity.c
new file mode 100644
index 0000000..f58e9cc
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/pthread_getaffinity.c
@@ -0,0 +1,59 @@
+/* Copyright (C) 2003-2014 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <errno.h>
+#include <limits.h>
+#include <pthreadP.h>
+#include <string.h>
+#include <sysdep.h>
+#include <sys/param.h>
+#include <sys/types.h>
+#include <shlib-compat.h>
+
+
+int
+__pthread_getaffinity_new (pthread_t th, size_t cpusetsize, cpu_set_t *cpuset)
+{
+ const struct pthread *pd = (const struct pthread *) th;
+
+ INTERNAL_SYSCALL_DECL (err);
+ int res = INTERNAL_SYSCALL (sched_getaffinity, err, 3, pd->tid,
+ MIN (INT_MAX, cpusetsize), cpuset);
+ if (INTERNAL_SYSCALL_ERROR_P (res, err))
+ return INTERNAL_SYSCALL_ERRNO (res, err);
+
+ /* Clean the rest of the memory the kernel didn't do. */
+ memset ((char *) cpuset + res, '\0', cpusetsize - res);
+
+ return 0;
+}
+strong_alias (__pthread_getaffinity_new, __pthread_getaffinity_np)
+versioned_symbol (libpthread, __pthread_getaffinity_new,
+ pthread_getaffinity_np, GLIBC_2_3_4);
+
+
+#if SHLIB_COMPAT (libpthread, GLIBC_2_3_3, GLIBC_2_3_4)
+int
+__pthread_getaffinity_old (pthread_t th, cpu_set_t *cpuset)
+{
+ /* The old interface by default assumed a 1024 processor bitmap. */
+ return __pthread_getaffinity_new (th, 128, cpuset);
+}
+compat_symbol (libpthread, __pthread_getaffinity_old, pthread_getaffinity_np,
+ GLIBC_2_3_3);
+#endif
diff --git a/sysdeps/unix/sysv/linux/pthread_getcpuclockid.c b/sysdeps/unix/sysv/linux/pthread_getcpuclockid.c
new file mode 100644
index 0000000..3e634a0
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/pthread_getcpuclockid.c
@@ -0,0 +1,44 @@
+/* pthread_getcpuclockid -- Get POSIX clockid_t for a pthread_t. Linux version
+ Copyright (C) 2000-2014 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If
+ not, see <http://www.gnu.org/licenses/>. */
+
+#include <errno.h>
+#include <pthreadP.h>
+#include <sys/time.h>
+#include <tls.h>
+#include <kernel-posix-cpu-timers.h>
+
+
+int
+pthread_getcpuclockid (threadid, clockid)
+ pthread_t threadid;
+ clockid_t *clockid;
+{
+ struct pthread *pd = (struct pthread *) threadid;
+
+ /* Make sure the descriptor is valid. */
+ if (INVALID_TD_P (pd))
+ /* Not a valid thread handle. */
+ return ESRCH;
+
+ /* The clockid_t value is a simple computation from the TID. */
+
+ const clockid_t tidclock = MAKE_THREAD_CPUCLOCK (pd->tid, CPUCLOCK_SCHED);
+
+ *clockid = tidclock;
+ return 0;
+}
diff --git a/sysdeps/unix/sysv/linux/pthread_getname.c b/sysdeps/unix/sysv/linux/pthread_getname.c
new file mode 100644
index 0000000..e5a319a
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/pthread_getname.c
@@ -0,0 +1,72 @@
+/* pthread_getname_np -- Get thread name. Linux version
+ Copyright (C) 2010-2014 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If
+ not, see <http://www.gnu.org/licenses/>. */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <pthreadP.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/prctl.h>
+
+#include <not-cancel.h>
+
+
+int
+pthread_getname_np (th, buf, len)
+ pthread_t th;
+ char *buf;
+ size_t len;
+{
+ const struct pthread *pd = (const struct pthread *) th;
+
+ /* Unfortunately the kernel headers do not export the TASK_COMM_LEN
+ macro. So we have to define it here. */
+#define TASK_COMM_LEN 16
+ if (len < TASK_COMM_LEN)
+ return ERANGE;
+
+ if (pd == THREAD_SELF)
+ return prctl (PR_GET_NAME, buf) ? errno : 0;
+
+#define FMT "/proc/self/task/%u/comm"
+ char fname[sizeof (FMT) + 8];
+ sprintf (fname, FMT, (unsigned int) pd->tid);
+
+ int fd = open_not_cancel_2 (fname, O_RDONLY);
+ if (fd == -1)
+ return errno;
+
+ int res = 0;
+ ssize_t n = TEMP_FAILURE_RETRY (read_not_cancel (fd, buf, len));
+ if (n < 0)
+ res = errno;
+ else
+ {
+ if (buf[n - 1] == '\n')
+ buf[n - 1] = '\0';
+ else if (n == len)
+ res = ERANGE;
+ else
+ buf[n] = '\0';
+ }
+
+ close_not_cancel_no_status (fd);
+
+ return res;
+}
diff --git a/sysdeps/unix/sysv/linux/pthread_kill.c b/sysdeps/unix/sysv/linux/pthread_kill.c
new file mode 100644
index 0000000..0a4d862
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/pthread_kill.c
@@ -0,0 +1,66 @@
+/* Copyright (C) 2002-2014 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <errno.h>
+#include <signal.h>
+#include <pthreadP.h>
+#include <tls.h>
+#include <sysdep.h>
+
+
+int
+__pthread_kill (threadid, signo)
+ pthread_t threadid;
+ int signo;
+{
+ struct pthread *pd = (struct pthread *) threadid;
+
+ /* Make sure the descriptor is valid. */
+ if (DEBUGGING_P && INVALID_TD_P (pd))
+ /* Not a valid thread handle. */
+ return ESRCH;
+
+ /* Force load of pd->tid into local variable or register. Otherwise
+ if a thread exits between ESRCH test and tgkill, we might return
+ EINVAL, because pd->tid would be cleared by the kernel. */
+ pid_t tid = atomic_forced_read (pd->tid);
+ if (__glibc_unlikely (tid <= 0))
+ /* Not a valid thread handle. */
+ return ESRCH;
+
+ /* Disallow sending the signal we use for cancellation, timers,
+ for the setxid implementation. */
+ if (signo == SIGCANCEL || signo == SIGTIMER || signo == SIGSETXID)
+ return EINVAL;
+
+ /* We have a special syscall to do the work. */
+ INTERNAL_SYSCALL_DECL (err);
+
+ /* One comment: The PID field in the TCB can temporarily be changed
+ (in fork). But this must not affect this code here. Since this
+ function would have to be called while the thread is executing
+ fork, it would have to happen in a signal handler. But this is
+ no allowed, pthread_kill is not guaranteed to be async-safe. */
+ int val;
+ val = INTERNAL_SYSCALL (tgkill, err, 3, THREAD_GETMEM (THREAD_SELF, pid),
+ tid, signo);
+
+ return (INTERNAL_SYSCALL_ERROR_P (val, err)
+ ? INTERNAL_SYSCALL_ERRNO (val, err) : 0);
+}
+strong_alias (__pthread_kill, pthread_kill)
diff --git a/sysdeps/unix/sysv/linux/pthread_setaffinity.c b/sysdeps/unix/sysv/linux/pthread_setaffinity.c
new file mode 100644
index 0000000..874cf4b
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/pthread_setaffinity.c
@@ -0,0 +1,104 @@
+/* Copyright (C) 2003-2014 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <alloca.h>
+#include <errno.h>
+#include <pthreadP.h>
+#include <sysdep.h>
+#include <sys/types.h>
+#include <shlib-compat.h>
+
+
+size_t __kernel_cpumask_size attribute_hidden;
+
+
+/* Determine the current affinity. As a side affect we learn
+ about the size of the cpumask_t in the kernel. */
+int
+__determine_cpumask_size (pid_t tid)
+{
+ INTERNAL_SYSCALL_DECL (err);
+ int res;
+
+ size_t psize = 128;
+ void *p = alloca (psize);
+
+ while (res = INTERNAL_SYSCALL (sched_getaffinity, err, 3, tid, psize, p),
+ INTERNAL_SYSCALL_ERROR_P (res, err)
+ && INTERNAL_SYSCALL_ERRNO (res, err) == EINVAL)
+ p = extend_alloca (p, psize, 2 * psize);
+
+ if (res == 0 || INTERNAL_SYSCALL_ERROR_P (res, err))
+ return INTERNAL_SYSCALL_ERRNO (res, err);
+
+ __kernel_cpumask_size = res;
+
+ return 0;
+}
+
+
+int
+__pthread_setaffinity_new (pthread_t th, size_t cpusetsize,
+ const cpu_set_t *cpuset)
+{
+ const struct pthread *pd = (const struct pthread *) th;
+
+ INTERNAL_SYSCALL_DECL (err);
+ int res;
+
+ if (__glibc_unlikely (__kernel_cpumask_size == 0))
+ {
+ res = __determine_cpumask_size (pd->tid);
+ if (res != 0)
+ return res;
+ }
+
+ /* We now know the size of the kernel cpumask_t. Make sure the user
+ does not request to set a bit beyond that. */
+ for (size_t cnt = __kernel_cpumask_size; cnt < cpusetsize; ++cnt)
+ if (((char *) cpuset)[cnt] != '\0')
+ /* Found a nonzero byte. This means the user request cannot be
+ fulfilled. */
+ return EINVAL;
+
+ res = INTERNAL_SYSCALL (sched_setaffinity, err, 3, pd->tid, cpusetsize,
+ cpuset);
+
+#ifdef RESET_VGETCPU_CACHE
+ if (!INTERNAL_SYSCALL_ERROR_P (res, err))
+ RESET_VGETCPU_CACHE ();
+#endif
+
+ return (INTERNAL_SYSCALL_ERROR_P (res, err)
+ ? INTERNAL_SYSCALL_ERRNO (res, err)
+ : 0);
+}
+versioned_symbol (libpthread, __pthread_setaffinity_new,
+ pthread_setaffinity_np, GLIBC_2_3_4);
+
+
+#if SHLIB_COMPAT (libpthread, GLIBC_2_3_3, GLIBC_2_3_4)
+int
+__pthread_setaffinity_old (pthread_t th, cpu_set_t *cpuset)
+{
+ /* The old interface by default assumed a 1024 processor bitmap. */
+ return __pthread_setaffinity_new (th, 128, cpuset);
+}
+compat_symbol (libpthread, __pthread_setaffinity_old, pthread_setaffinity_np,
+ GLIBC_2_3_3);
+#endif
diff --git a/sysdeps/unix/sysv/linux/pthread_setname.c b/sysdeps/unix/sysv/linux/pthread_setname.c
new file mode 100644
index 0000000..409560e
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/pthread_setname.c
@@ -0,0 +1,65 @@
+/* pthread_setname_np -- Set thread name. Linux version
+ Copyright (C) 2010-2014 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If
+ not, see <http://www.gnu.org/licenses/>. */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <pthreadP.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/prctl.h>
+
+#include <not-cancel.h>
+
+
+int
+pthread_setname_np (th, name)
+ pthread_t th;
+ const char *name;
+{
+ const struct pthread *pd = (const struct pthread *) th;
+
+ /* Unfortunately the kernel headers do not export the TASK_COMM_LEN
+ macro. So we have to define it here. */
+#define TASK_COMM_LEN 16
+ size_t name_len = strlen (name);
+ if (name_len >= TASK_COMM_LEN)
+ return ERANGE;
+
+ if (pd == THREAD_SELF)
+ return prctl (PR_SET_NAME, name) ? errno : 0;
+
+#define FMT "/proc/self/task/%u/comm"
+ char fname[sizeof (FMT) + 8];
+ sprintf (fname, FMT, (unsigned int) pd->tid);
+
+ int fd = open_not_cancel_2 (fname, O_RDWR);
+ if (fd == -1)
+ return errno;
+
+ int res = 0;
+ ssize_t n = TEMP_FAILURE_RETRY (write_not_cancel (fd, name, name_len));
+ if (n < 0)
+ res = errno;
+ else if (n != name_len)
+ res = EIO;
+
+ close_not_cancel_no_status (fd);
+
+ return res;
+}
diff --git a/sysdeps/unix/sysv/linux/pthread_sigqueue.c b/sysdeps/unix/sysv/linux/pthread_sigqueue.c
new file mode 100644
index 0000000..1e66815
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/pthread_sigqueue.c
@@ -0,0 +1,81 @@
+/* Copyright (C) 2009-2014 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2009.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <errno.h>
+#include <signal.h>
+#include <string.h>
+#include <unistd.h>
+#include <pthreadP.h>
+#include <tls.h>
+#include <sysdep.h>
+
+
+int
+pthread_sigqueue (threadid, signo, value)
+ pthread_t threadid;
+ int signo;
+ const union sigval value;
+{
+#ifdef __NR_rt_tgsigqueueinfo
+ struct pthread *pd = (struct pthread *) threadid;
+
+ /* Make sure the descriptor is valid. */
+ if (DEBUGGING_P && INVALID_TD_P (pd))
+ /* Not a valid thread handle. */
+ return ESRCH;
+
+ /* Force load of pd->tid into local variable or register. Otherwise
+ if a thread exits between ESRCH test and tgkill, we might return
+ EINVAL, because pd->tid would be cleared by the kernel. */
+ pid_t tid = atomic_forced_read (pd->tid);
+ if (__glibc_unlikely (tid <= 0))
+ /* Not a valid thread handle. */
+ return ESRCH;
+
+ /* Disallow sending the signal we use for cancellation, timers,
+ for the setxid implementation. */
+ if (signo == SIGCANCEL || signo == SIGTIMER || signo == SIGSETXID)
+ return EINVAL;
+
+ /* Set up the siginfo_t structure. */
+ siginfo_t info;
+ memset (&info, '\0', sizeof (siginfo_t));
+ info.si_signo = signo;
+ info.si_code = SI_QUEUE;
+ info.si_pid = THREAD_GETMEM (THREAD_SELF, pid);
+ info.si_uid = getuid ();
+ info.si_value = value;
+
+ /* We have a special syscall to do the work. */
+ INTERNAL_SYSCALL_DECL (err);
+
+ /* One comment: The PID field in the TCB can temporarily be changed
+ (in fork). But this must not affect this code here. Since this
+ function would have to be called while the thread is executing
+ fork, it would have to happen in a signal handler. But this is
+ no allowed, pthread_sigqueue is not guaranteed to be async-safe. */
+ int val = INTERNAL_SYSCALL (rt_tgsigqueueinfo, err, 4,
+ THREAD_GETMEM (THREAD_SELF, pid),
+ tid, signo, &info);
+
+ return (INTERNAL_SYSCALL_ERROR_P (val, err)
+ ? INTERNAL_SYSCALL_ERRNO (val, err) : 0);
+#else
+ return ENOSYS;
+#endif
+}
diff --git a/sysdeps/unix/sysv/linux/raise.c b/sysdeps/unix/sysv/linux/raise.c
new file mode 100644
index 0000000..4106e8c
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/raise.c
@@ -0,0 +1,58 @@
+/* Copyright (C) 2002-2014 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <errno.h>
+#include <limits.h>
+#include <signal.h>
+#include <sysdep.h>
+#include <nptl/pthreadP.h>
+
+
+int
+raise (sig)
+ int sig;
+{
+ struct pthread *pd = THREAD_SELF;
+ pid_t pid = THREAD_GETMEM (pd, pid);
+ pid_t selftid = THREAD_GETMEM (pd, tid);
+ if (selftid == 0)
+ {
+ /* This system call is not supposed to fail. */
+#ifdef INTERNAL_SYSCALL
+ INTERNAL_SYSCALL_DECL (err);
+ selftid = INTERNAL_SYSCALL (gettid, err, 0);
+#else
+ selftid = INLINE_SYSCALL (gettid, 0);
+#endif
+ THREAD_SETMEM (pd, tid, selftid);
+
+ /* We do not set the PID field in the TID here since we might be
+ called from a signal handler while the thread executes fork. */
+ pid = selftid;
+ }
+ else
+ /* raise is an async-safe function. It could be called while the
+ fork/vfork function temporarily invalidated the PID field. Adjust for
+ that. */
+ if (__glibc_unlikely (pid <= 0))
+ pid = (pid & INT_MAX) == 0 ? selftid : -pid;
+
+ return INLINE_SYSCALL (tgkill, 3, pid, selftid, sig);
+}
+libc_hidden_def (raise)
+weak_alias (raise, gsignal)
diff --git a/sysdeps/unix/sysv/linux/s390/jmp-unwind.c b/sysdeps/unix/sysv/linux/s390/jmp-unwind.c
index f35eab5..32226bc 100644
--- a/sysdeps/unix/sysv/linux/s390/jmp-unwind.c
+++ b/sysdeps/unix/sysv/linux/s390/jmp-unwind.c
@@ -18,7 +18,7 @@
#include <setjmp.h>
#include <stddef.h>
-#include <pthreadP.h>
+#include <nptl/pthreadP.h>
extern void __pthread_cleanup_upto (__jmp_buf env, char *targetframe);
#pragma weak __pthread_cleanup_upto
diff --git a/sysdeps/unix/sysv/linux/s390/pthread_mutex_cond_lock.c b/sysdeps/unix/sysv/linux/s390/pthread_mutex_cond_lock.c
index 6fc0f96..aa6cf9a 100644
--- a/sysdeps/unix/sysv/linux/s390/pthread_mutex_cond_lock.c
+++ b/sysdeps/unix/sysv/linux/s390/pthread_mutex_cond_lock.c
@@ -19,4 +19,4 @@
already elided locks. */
#include <elision-conf.h>
-#include <nptl/sysdeps/unix/sysv/linux/pthread_mutex_cond_lock.c>
+#include <nptl/pthread_mutex_cond_lock.c>
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/sigaction.c b/sysdeps/unix/sysv/linux/s390/s390-64/sigaction.c
index e9a984b..995afbc 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-64/sigaction.c
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/sigaction.c
@@ -43,12 +43,4 @@ __libc_sigaction (sig, act, oact)
}
libc_hidden_def (__libc_sigaction)
-#ifdef WRAPPER_INCLUDE
-# include WRAPPER_INCLUDE
-#endif
-
-#ifndef LIBC_SIGACTION
-weak_alias (__libc_sigaction, __sigaction)
-libc_hidden_weak (__sigaction)
-weak_alias (__libc_sigaction, sigaction)
-#endif
+#include <nptl/sigaction.c>
diff --git a/sysdeps/unix/sysv/linux/sigaction.c b/sysdeps/unix/sysv/linux/sigaction.c
index eaa5175..c8694c1 100644
--- a/sysdeps/unix/sysv/linux/sigaction.c
+++ b/sysdeps/unix/sysv/linux/sigaction.c
@@ -69,12 +69,4 @@ __libc_sigaction (sig, act, oact)
}
libc_hidden_def (__libc_sigaction)
-#ifdef WRAPPER_INCLUDE
-# include WRAPPER_INCLUDE
-#endif
-
-#ifndef LIBC_SIGACTION
-weak_alias (__libc_sigaction, __sigaction)
-libc_hidden_weak (__sigaction)
-weak_alias (__libc_sigaction, sigaction)
-#endif
+#include <nptl/sigaction.c>
diff --git a/sysdeps/unix/sysv/linux/sigtimedwait.c b/sysdeps/unix/sysv/linux/sigtimedwait.c
index 5491b48..c7727cf 100644
--- a/sysdeps/unix/sysv/linux/sigtimedwait.c
+++ b/sysdeps/unix/sysv/linux/sigtimedwait.c
@@ -19,6 +19,7 @@
#include <signal.h>
#include <string.h>
+#include <nptl/pthreadP.h>
#include <sysdep-cancel.h>
#include <sys/syscall.h>
diff --git a/sysdeps/unix/sysv/linux/sigwait.c b/sysdeps/unix/sysv/linux/sigwait.c
index 2652822..b7ac868 100644
--- a/sysdeps/unix/sysv/linux/sigwait.c
+++ b/sysdeps/unix/sysv/linux/sigwait.c
@@ -21,6 +21,7 @@
#include <stddef.h>
#include <string.h>
+#include <nptl/pthreadP.h>
#include <sysdep-cancel.h>
#include <sys/syscall.h>
diff --git a/sysdeps/unix/sysv/linux/sigwaitinfo.c b/sysdeps/unix/sysv/linux/sigwaitinfo.c
index 9218afc..fa9b0b7 100644
--- a/sysdeps/unix/sysv/linux/sigwaitinfo.c
+++ b/sysdeps/unix/sysv/linux/sigwaitinfo.c
@@ -21,6 +21,7 @@
#include <stddef.h>
#include <string.h>
+#include <nptl/pthreadP.h>
#include <sysdep-cancel.h>
#include <sys/syscall.h>
diff --git a/sysdeps/unix/sysv/linux/sleep.c b/sysdeps/unix/sysv/linux/sleep.c
index 3b352c6..5411fd5 100644
--- a/sysdeps/unix/sysv/linux/sleep.c
+++ b/sysdeps/unix/sysv/linux/sleep.c
@@ -23,6 +23,7 @@
#include <string.h> /* For the real memset prototype. */
#include <unistd.h>
#include <sys/param.h>
+#include <nptl/pthreadP.h>
#if 0
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c b/sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c
index 5e8cf69..a54d532 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c
@@ -62,15 +62,8 @@ __libc_sigaction (int sig, const struct sigaction *act, struct sigaction *oact)
}
libc_hidden_def (__libc_sigaction)
-#ifdef WRAPPER_INCLUDE
-# include WRAPPER_INCLUDE
-#endif
+#include <nptl/sigaction.c>
-#ifndef LIBC_SIGACTION
-weak_alias (__libc_sigaction, __sigaction);
-libc_hidden_weak (__sigaction)
-weak_alias (__libc_sigaction, sigaction);
-#endif
static void
__rt_sigreturn_stub (void)
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/sigaction.c b/sysdeps/unix/sysv/linux/sparc/sparc64/sigaction.c
index 665e658..514dabf 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/sigaction.c
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/sigaction.c
@@ -63,15 +63,8 @@ __libc_sigaction (int sig, const struct sigaction *act, struct sigaction *oact)
}
libc_hidden_def (__libc_sigaction)
-#ifdef WRAPPER_INCLUDE
-# include WRAPPER_INCLUDE
-#endif
+#include <nptl/sigaction.c>
-#ifndef LIBC_SIGACTION
-weak_alias (__libc_sigaction, __sigaction);
-libc_hidden_weak (__sigaction)
-weak_alias (__libc_sigaction, sigaction);
-#endif
static void
__rt_sigreturn_stub (void)
diff --git a/sysdeps/unix/sysv/linux/syscalls.list b/sysdeps/unix/sysv/linux/syscalls.list
index 2e6cf9c..d639d63 100644
--- a/sysdeps/unix/sysv/linux/syscalls.list
+++ b/sysdeps/unix/sysv/linux/syscalls.list
@@ -15,7 +15,6 @@ epoll_ctl EXTRA epoll_ctl i:iiip epoll_ctl
epoll_wait EXTRA epoll_wait Ci:ipii epoll_wait
fdatasync - fdatasync Ci:i fdatasync
flock - flock i:ii __flock flock
-fork - fork i: __libc_fork __fork fork
get_kernel_syms EXTRA get_kernel_syms i:p get_kernel_syms
getegid - getegid Ei: __getegid getegid
geteuid - geteuid Ei: __geteuid geteuid
diff --git a/sysdeps/unix/sysv/linux/timer_create.c b/sysdeps/unix/sysv/linux/timer_create.c
new file mode 100644
index 0000000..e5c056b
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/timer_create.c
@@ -0,0 +1,179 @@
+/* Copyright (C) 2003-2014 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If
+ not, see <http://www.gnu.org/licenses/>. */
+
+#include <errno.h>
+#include <pthread.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <sysdep.h>
+#include <internaltypes.h>
+#include <nptl/pthreadP.h>
+#include "kernel-posix-timers.h"
+#include "kernel-posix-cpu-timers.h"
+
+
+#ifdef timer_create_alias
+# define timer_create timer_create_alias
+#endif
+
+
+int
+timer_create (clock_id, evp, timerid)
+ clockid_t clock_id;
+ struct sigevent *evp;
+ timer_t *timerid;
+{
+#undef timer_create
+ {
+ clockid_t syscall_clockid = (clock_id == CLOCK_PROCESS_CPUTIME_ID
+ ? MAKE_PROCESS_CPUCLOCK (0, CPUCLOCK_SCHED)
+ : clock_id == CLOCK_THREAD_CPUTIME_ID
+ ? MAKE_THREAD_CPUCLOCK (0, CPUCLOCK_SCHED)
+ : clock_id);
+
+ /* If the user wants notification via a thread we need to handle
+ this special. */
+ if (evp == NULL
+ || __builtin_expect (evp->sigev_notify != SIGEV_THREAD, 1))
+ {
+ struct sigevent local_evp;
+
+ /* We avoid allocating too much memory by basically
+ using struct timer as a derived class with the
+ first two elements being in the superclass. We only
+ need these two elements here. */
+ struct timer *newp = (struct timer *) malloc (offsetof (struct timer,
+ thrfunc));
+ if (newp == NULL)
+ /* No more memory. */
+ return -1;
+
+ if (evp == NULL)
+ {
+ /* The kernel has to pass up the timer ID which is a
+ userlevel object. Therefore we cannot leave it up to
+ the kernel to determine it. */
+ local_evp.sigev_notify = SIGEV_SIGNAL;
+ local_evp.sigev_signo = SIGALRM;
+ local_evp.sigev_value.sival_ptr = newp;
+
+ evp = &local_evp;
+ }
+
+ kernel_timer_t ktimerid;
+ int retval = INLINE_SYSCALL (timer_create, 3, syscall_clockid, evp,
+ &ktimerid);
+
+ if (retval != -1)
+ {
+ newp->sigev_notify = (evp != NULL
+ ? evp->sigev_notify : SIGEV_SIGNAL);
+ newp->ktimerid = ktimerid;
+
+ *timerid = (timer_t) newp;
+ }
+ else
+ {
+ /* Cannot allocate the timer, fail. */
+ free (newp);
+ retval = -1;
+ }
+
+ return retval;
+ }
+ else
+ {
+ /* Create the helper thread. */
+ pthread_once (&__helper_once, __start_helper_thread);
+ if (__helper_tid == 0)
+ {
+ /* No resources to start the helper thread. */
+ __set_errno (EAGAIN);
+ return -1;
+ }
+
+ struct timer *newp;
+ newp = (struct timer *) malloc (sizeof (struct timer));
+ if (newp == NULL)
+ return -1;
+
+ /* Copy the thread parameters the user provided. */
+ newp->sival = evp->sigev_value;
+ newp->thrfunc = evp->sigev_notify_function;
+ newp->sigev_notify = SIGEV_THREAD;
+
+ /* We cannot simply copy the thread attributes since the
+ implementation might keep internal information for
+ each instance. */
+ (void) pthread_attr_init (&newp->attr);
+ if (evp->sigev_notify_attributes != NULL)
+ {
+ struct pthread_attr *nattr;
+ struct pthread_attr *oattr;
+
+ nattr = (struct pthread_attr *) &newp->attr;
+ oattr = (struct pthread_attr *) evp->sigev_notify_attributes;
+
+ nattr->schedparam = oattr->schedparam;
+ nattr->schedpolicy = oattr->schedpolicy;
+ nattr->flags = oattr->flags;
+ nattr->guardsize = oattr->guardsize;
+ nattr->stackaddr = oattr->stackaddr;
+ nattr->stacksize = oattr->stacksize;
+ }
+
+ /* In any case set the detach flag. */
+ (void) pthread_attr_setdetachstate (&newp->attr,
+ PTHREAD_CREATE_DETACHED);
+
+ /* Create the event structure for the kernel timer. */
+ struct sigevent sev =
+ { .sigev_value.sival_ptr = newp,
+ .sigev_signo = SIGTIMER,
+ .sigev_notify = SIGEV_SIGNAL | SIGEV_THREAD_ID,
+ ._sigev_un = { ._pad = { [0] = __helper_tid } } };
+
+ /* Create the timer. */
+ INTERNAL_SYSCALL_DECL (err);
+ int res;
+ res = INTERNAL_SYSCALL (timer_create, err, 3,
+ syscall_clockid, &sev, &newp->ktimerid);
+ if (! INTERNAL_SYSCALL_ERROR_P (res, err))
+ {
+ /* Add to the queue of active timers with thread
+ delivery. */
+ pthread_mutex_lock (&__active_timer_sigev_thread_lock);
+ newp->next = __active_timer_sigev_thread;
+ __active_timer_sigev_thread = newp;
+ pthread_mutex_unlock (&__active_timer_sigev_thread_lock);
+
+ *timerid = (timer_t) newp;
+ return 0;
+ }
+
+ /* Free the resources. */
+ free (newp);
+
+ __set_errno (INTERNAL_SYSCALL_ERRNO (res, err));
+
+ return -1;
+ }
+ }
+}
diff --git a/sysdeps/unix/sysv/linux/timer_delete.c b/sysdeps/unix/sysv/linux/timer_delete.c
new file mode 100644
index 0000000..1de8123
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/timer_delete.c
@@ -0,0 +1,73 @@
+/* Copyright (C) 2003-2014 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If
+ not, see <http://www.gnu.org/licenses/>. */
+
+#include <errno.h>
+#include <stdlib.h>
+#include <time.h>
+#include <sysdep.h>
+#include "kernel-posix-timers.h"
+
+
+#ifdef timer_delete_alias
+# define timer_delete timer_delete_alias
+#endif
+
+
+int
+timer_delete (timerid)
+ timer_t timerid;
+{
+#undef timer_delete
+ struct timer *kt = (struct timer *) timerid;
+
+ /* Delete the kernel timer object. */
+ int res = INLINE_SYSCALL (timer_delete, 1, kt->ktimerid);
+
+ if (res == 0)
+ {
+ if (kt->sigev_notify == SIGEV_THREAD)
+ {
+ /* Remove the timer from the list. */
+ pthread_mutex_lock (&__active_timer_sigev_thread_lock);
+ if (__active_timer_sigev_thread == kt)
+ __active_timer_sigev_thread = kt->next;
+ else
+ {
+ struct timer *prevp = __active_timer_sigev_thread;
+ while (prevp->next != NULL)
+ if (prevp->next == kt)
+ {
+ prevp->next = kt->next;
+ break;
+ }
+ else
+ prevp = prevp->next;
+ }
+ pthread_mutex_unlock (&__active_timer_sigev_thread_lock);
+ }
+
+ /* Free the memory. */
+ (void) free (kt);
+
+ return 0;
+ }
+
+ /* The kernel timer is not known or something else bad happened.
+ Return the error. */
+ return -1;
+}
diff --git a/sysdeps/unix/sysv/linux/timer_getoverr.c b/sysdeps/unix/sysv/linux/timer_getoverr.c
new file mode 100644
index 0000000..0ac3941
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/timer_getoverr.c
@@ -0,0 +1,41 @@
+/* Copyright (C) 2003-2014 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If
+ not, see <http://www.gnu.org/licenses/>. */
+
+#include <errno.h>
+#include <time.h>
+#include <sysdep.h>
+#include "kernel-posix-timers.h"
+
+
+#ifdef timer_getoverrun_alias
+# define timer_getoverrun timer_getoverrun_alias
+#endif
+
+
+int
+timer_getoverrun (timerid)
+ timer_t timerid;
+{
+#undef timer_getoverrun
+ struct timer *kt = (struct timer *) timerid;
+
+ /* Get the information from the kernel. */
+ int res = INLINE_SYSCALL (timer_getoverrun, 1, kt->ktimerid);
+
+ return res;
+}
diff --git a/sysdeps/unix/sysv/linux/timer_gettime.c b/sysdeps/unix/sysv/linux/timer_gettime.c
new file mode 100644
index 0000000..7783034
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/timer_gettime.c
@@ -0,0 +1,43 @@
+/* Copyright (C) 2003-2014 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If
+ not, see <http://www.gnu.org/licenses/>. */
+
+#include <errno.h>
+#include <stdlib.h>
+#include <time.h>
+#include <sysdep.h>
+#include "kernel-posix-timers.h"
+
+
+#ifdef timer_gettime_alias
+# define timer_gettime timer_gettime_alias
+#endif
+
+
+int
+timer_gettime (timerid, value)
+ timer_t timerid;
+ struct itimerspec *value;
+{
+#undef timer_gettime
+ struct timer *kt = (struct timer *) timerid;
+
+ /* Delete the kernel timer object. */
+ int res = INLINE_SYSCALL (timer_gettime, 2, kt->ktimerid, value);
+
+ return res;
+}
diff --git a/sysdeps/unix/sysv/linux/timer_routines.c b/sysdeps/unix/sysv/linux/timer_routines.c
new file mode 100644
index 0000000..4ac9bbe
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/timer_routines.c
@@ -0,0 +1,196 @@
+/* Copyright (C) 2003-2014 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If
+ not, see <http://www.gnu.org/licenses/>. */
+
+#include <errno.h>
+#include <setjmp.h>
+#include <signal.h>
+#include <stdbool.h>
+#include <sysdep.h>
+#include <nptl/pthreadP.h>
+#include "kernel-posix-timers.h"
+
+
+/* List of active SIGEV_THREAD timers. */
+struct timer *__active_timer_sigev_thread;
+/* Lock for the __active_timer_sigev_thread. */
+pthread_mutex_t __active_timer_sigev_thread_lock = PTHREAD_MUTEX_INITIALIZER;
+
+
+struct thread_start_data
+{
+ void (*thrfunc) (sigval_t);
+ sigval_t sival;
+};
+
+
+/* Helper thread to call the user-provided function. */
+static void *
+timer_sigev_thread (void *arg)
+{
+ /* The parent thread has all signals blocked. This is a bit
+ surprising for user code, although valid. We unblock all
+ signals. */
+ sigset_t ss;
+ sigemptyset (&ss);
+ INTERNAL_SYSCALL_DECL (err);
+ INTERNAL_SYSCALL (rt_sigprocmask, err, 4, SIG_SETMASK, &ss, NULL, _NSIG / 8);
+
+ struct thread_start_data *td = (struct thread_start_data *) arg;
+
+ void (*thrfunc) (sigval_t) = td->thrfunc;
+ sigval_t sival = td->sival;
+
+ /* The TD object was allocated in timer_helper_thread. */
+ free (td);
+
+ /* Call the user-provided function. */
+ thrfunc (sival);
+
+ return NULL;
+}
+
+
+/* Helper function to support starting threads for SIGEV_THREAD. */
+static void *
+timer_helper_thread (void *arg)
+{
+ /* Wait for the SIGTIMER signal, allowing the setXid signal, and
+ none else. */
+ sigset_t ss;
+ sigemptyset (&ss);
+ __sigaddset (&ss, SIGTIMER);
+
+ /* Endless loop of waiting for signals. The loop is only ended when
+ the thread is canceled. */
+ while (1)
+ {
+ siginfo_t si;
+
+ /* sigwaitinfo cannot be used here, since it deletes
+ SIGCANCEL == SIGTIMER from the set. */
+
+ int oldtype = LIBC_CANCEL_ASYNC ();
+
+ /* XXX The size argument hopefully will have to be changed to the
+ real size of the user-level sigset_t. */
+ int result = INLINE_SYSCALL (rt_sigtimedwait, 4, &ss, &si, NULL,
+ _NSIG / 8);
+
+ LIBC_CANCEL_RESET (oldtype);
+
+ if (result > 0)
+ {
+ if (si.si_code == SI_TIMER)
+ {
+ struct timer *tk = (struct timer *) si.si_ptr;
+
+ /* Check the timer is still used and will not go away
+ while we are reading the values here. */
+ pthread_mutex_lock (&__active_timer_sigev_thread_lock);
+
+ struct timer *runp = __active_timer_sigev_thread;
+ while (runp != NULL)
+ if (runp == tk)
+ break;
+ else
+ runp = runp->next;
+
+ if (runp != NULL)
+ {
+ struct thread_start_data *td = malloc (sizeof (*td));
+
+ /* There is not much we can do if the allocation fails. */
+ if (td != NULL)
+ {
+ /* This is the signal we are waiting for. */
+ td->thrfunc = tk->thrfunc;
+ td->sival = tk->sival;
+
+ pthread_t th;
+ (void) pthread_create (&th, &tk->attr,
+ timer_sigev_thread, td);
+ }
+ }
+
+ pthread_mutex_unlock (&__active_timer_sigev_thread_lock);
+ }
+ else if (si.si_code == SI_TKILL)
+ /* The thread is canceled. */
+ pthread_exit (NULL);
+ }
+ }
+}
+
+
+/* Control variable for helper thread creation. */
+pthread_once_t __helper_once attribute_hidden;
+
+
+/* TID of the helper thread. */
+pid_t __helper_tid attribute_hidden;
+
+
+/* Reset variables so that after a fork a new helper thread gets started. */
+static void
+reset_helper_control (void)
+{
+ __helper_once = PTHREAD_ONCE_INIT;
+ __helper_tid = 0;
+}
+
+
+void
+attribute_hidden
+__start_helper_thread (void)
+{
+ /* The helper thread needs only very little resources
+ and should go away automatically when canceled. */
+ pthread_attr_t attr;
+ (void) pthread_attr_init (&attr);
+ (void) pthread_attr_setstacksize (&attr, __pthread_get_minstack (&attr));
+
+ /* Block all signals in the helper thread but SIGSETXID. To do this
+ thoroughly we temporarily have to block all signals here. The
+ helper can lose wakeups if SIGCANCEL is not blocked throughout,
+ but sigfillset omits it SIGSETXID. So, we add SIGCANCEL back
+ explicitly here. */
+ sigset_t ss;
+ sigset_t oss;
+ sigfillset (&ss);
+ __sigaddset (&ss, SIGCANCEL);
+ INTERNAL_SYSCALL_DECL (err);
+ INTERNAL_SYSCALL (rt_sigprocmask, err, 4, SIG_SETMASK, &ss, &oss, _NSIG / 8);
+
+ /* Create the helper thread for this timer. */
+ pthread_t th;
+ int res = pthread_create (&th, &attr, timer_helper_thread, NULL);
+ if (res == 0)
+ /* We managed to start the helper thread. */
+ __helper_tid = ((struct pthread *) th)->tid;
+
+ /* Restore the signal mask. */
+ INTERNAL_SYSCALL (rt_sigprocmask, err, 4, SIG_SETMASK, &oss, NULL,
+ _NSIG / 8);
+
+ /* No need for the attribute anymore. */
+ (void) pthread_attr_destroy (&attr);
+
+ /* We have to make sure that after fork()ing a new helper thread can
+ be created. */
+ pthread_atfork (NULL, NULL, reset_helper_control);
+}
diff --git a/sysdeps/unix/sysv/linux/timer_settime.c b/sysdeps/unix/sysv/linux/timer_settime.c
new file mode 100644
index 0000000..f7f7c91
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/timer_settime.c
@@ -0,0 +1,46 @@
+/* Copyright (C) 2003-2014 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If
+ not, see <http://www.gnu.org/licenses/>. */
+
+#include <errno.h>
+#include <stdlib.h>
+#include <time.h>
+#include <sysdep.h>
+#include "kernel-posix-timers.h"
+
+
+#ifdef timer_settime_alias
+# define timer_settime timer_settime_alias
+#endif
+
+
+int
+timer_settime (timerid, flags, value, ovalue)
+ timer_t timerid;
+ int flags;
+ const struct itimerspec *value;
+ struct itimerspec *ovalue;
+{
+#undef timer_settime
+ struct timer *kt = (struct timer *) timerid;
+
+ /* Delete the kernel timer object. */
+ int res = INLINE_SYSCALL (timer_settime, 4, kt->ktimerid, flags,
+ value, ovalue);
+
+ return res;
+}
diff --git a/sysdeps/unix/sysv/linux/tst-setgetname.c b/sysdeps/unix/sysv/linux/tst-setgetname.c
new file mode 100644
index 0000000..f5693e2
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/tst-setgetname.c
@@ -0,0 +1,315 @@
+/* Test pthread_setname_np and pthread_getname_np.
+ Copyright (C) 2013-2014 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If
+ not, see <http://www.gnu.org/licenses/>. */
+#include <stdio.h>
+#include <stdlib.h>
+#include <pthread.h>
+#include <string.h>
+#include <sys/syscall.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <kernel-features.h>
+
+/* New name of process. */
+#define NEW_NAME "setname"
+
+/* Name of process which is one byte too big
+ e.g. 17 bytes including null-terminator */
+#define BIG_NAME "....V....X....XV"
+
+/* Longest name of a process
+ e.g. 16 bytes including null-terminator. */
+#define LONGEST_NAME "....V....X....X"
+
+/* One less than longest name with unique
+ characters to detect modification. */
+#define CANARY_NAME "abcdefghijklmn"
+
+/* On Linux the maximum length of the name of a task *including* the null
+ terminator. */
+#define TASK_COMM_LEN 16
+
+long
+gettid (void)
+{
+ return syscall(__NR_gettid);
+}
+
+/* On Linux we can read this task's name from /proc. */
+int
+get_self_comm (long tid, char *buf, size_t len)
+{
+ int res = 0;
+#define FMT "/proc/self/task/%lu/comm"
+ char fname[sizeof (FMT) + 8];
+ sprintf (fname, FMT, (unsigned long) tid);
+
+ int fd = open (fname, O_RDONLY);
+ if (fd == -1)
+ return errno;
+
+ ssize_t n = read (fd, (void *) buf, len);
+ if (n < 0)
+ res = errno;
+ else
+ {
+ if (buf[n - 1] == '\n')
+ buf[n - 1] = '\0';
+ else if (n == len)
+ res = ERANGE;
+ else
+ buf[n] = '\0';
+ }
+
+ close (fd);
+ return res;
+}
+
+int
+do_test (int argc, char **argv)
+{
+ pthread_t self;
+ int res;
+ int ret = 0;
+ char name[TASK_COMM_LEN];
+ char name_check[TASK_COMM_LEN];
+
+ memset (name, '\0', TASK_COMM_LEN);
+ memset (name_check, '\0', TASK_COMM_LEN);
+
+ /* Test 1: Get the name of the task via pthread_getname_np and /proc
+ and verify that they both match. */
+ self = pthread_self ();
+ res = pthread_getname_np (self, name, TASK_COMM_LEN);
+
+ if (res == 0)
+ {
+ res = get_self_comm (gettid (), name_check, TASK_COMM_LEN);
+
+#if !__ASSUME_PROC_PID_TASK_COMM
+ /* On this first test we look for ENOENT to be returned from
+ get_self_comm to indicate that the kernel is older than
+ 2.6.33 and doesn't contain comm within the proc structure.
+ In that case we skip the entire test. */
+ if (res == ENOENT)
+ {
+ printf ("SKIP: The kernel does not have /proc/self/task/%%lu/comm.\n");
+ return 0;
+ }
+#endif
+
+ if (res == 0)
+ {
+ if (strncmp (name, name_check, strlen (BIG_NAME)) == 0)
+ printf ("PASS: Test 1 - pthread_getname_np and /proc agree.\n");
+ else
+ {
+ printf ("FAIL: Test 1 - pthread_getname_np and /proc differ"
+ " i.e. %s != %s\n", name, name_check);
+ ret++;
+ }
+ }
+ else
+ {
+ printf ("FAIL: Test 1 - unable read task name via proc.\n");
+ ret++;
+ }
+ }
+ else
+ {
+ printf ("FAIL: Test 1 - pthread_getname_np failed with error %d\n", res);
+ ret++;
+ }
+
+ /* Test 2: Test setting the name and then independently verify it
+ was set. */
+ res = pthread_setname_np (self, NEW_NAME);
+
+ if (res == 0)
+ {
+ res = get_self_comm (gettid (), name_check, TASK_COMM_LEN);
+ if (res == 0)
+ {
+ if (strncmp (NEW_NAME, name_check, strlen (BIG_NAME)) == 0)
+ printf ("PASS: Test 2 - Value used in pthread_setname_np and"
+ " /proc agree.\n");
+ else
+ {
+ printf ("FAIL: Test 2 - Value used in pthread_setname_np"
+ " and /proc differ i.e. %s != %s\n",
+ NEW_NAME, name_check);
+ ret++;
+ }
+ }
+ else
+ {
+ printf ("FAIL: Test 2 - unable to read task name via proc.\n");
+ ret++;
+ }
+ }
+ else
+ {
+ printf ("FAIL: Test 2 - pthread_setname_np failed with error %d\n", res);
+ ret++;
+ }
+
+ /* Test 3: Test setting a name that is one-byte too big. */
+ res = pthread_getname_np (self, name, TASK_COMM_LEN);
+
+ if (res == 0)
+ {
+ res = pthread_setname_np (self, BIG_NAME);
+ if (res != 0)
+ {
+ if (res == ERANGE)
+ {
+ printf ("PASS: Test 3 - pthread_setname_np returned ERANGE"
+ " for a process name that was too long.\n");
+
+ /* Verify the old name didn't change. */
+ res = get_self_comm (gettid (), name_check, TASK_COMM_LEN);
+ if (res == 0)
+ {
+ if (strncmp (name, name_check, strlen (BIG_NAME)) == 0)
+ printf ("PASS: Test 3 - Original name unchanged after"
+ " pthread_setname_np returned ERANGE.\n");
+ else
+ {
+ printf ("FAIL: Test 3 - Original name changed after"
+ " pthread_setname_np returned ERANGE"
+ " i.e. %s != %s\n",
+ name, name_check);
+ ret++;
+ }
+ }
+ else
+ {
+ printf ("FAIL: Test 3 - unable to read task name.\n");
+ ret++;
+ }
+ }
+ else
+ {
+ printf ("FAIL: Test 3 - Wrong error returned"
+ " i.e. ERANGE != %d\n", res);
+ ret++;
+ }
+ }
+ else
+ {
+ printf ("FAIL: Test 3 - Too-long name accepted by"
+ " pthread_setname_np.\n");
+ ret++;
+ }
+ }
+ else
+ {
+ printf ("FAIL: Test 3 - Unable to get original name.\n");
+ ret++;
+ }
+
+ /* Test 4: Verify that setting the longest name works. */
+ res = pthread_setname_np (self, LONGEST_NAME);
+
+ if (res == 0)
+ {
+ res = get_self_comm (gettid (), name_check, TASK_COMM_LEN);
+ if (res == 0)
+ {
+ if (strncmp (LONGEST_NAME, name_check, strlen (BIG_NAME)) == 0)
+ printf ("PASS: Test 4 - Longest name set via pthread_setname_np"
+ " agrees with /proc.\n");
+ else
+ {
+ printf ("FAIL: Test 4 - Value used in pthread_setname_np and /proc"
+ " differ i.e. %s != %s\n", LONGEST_NAME, name_check);
+ ret++;
+ }
+ }
+ else
+ {
+ printf ("FAIL: Test 4 - unable to read task name via proc.\n");
+ ret++;
+ }
+ }
+ else
+ {
+ printf ("FAIL: Test 4 - pthread_setname_np failed with error %d\n", res);
+ ret++;
+ }
+
+ /* Test 5: Verify that getting a long name into a small buffer fails. */
+ strncpy (name, CANARY_NAME, strlen (CANARY_NAME) + 1);
+
+ /* Claim the buffer length is strlen (LONGEST_NAME). This is one character
+ too small to hold LONGEST_NAME *and* the null terminator. We should get
+ back ERANGE and name should be unmodified. */
+ res = pthread_getname_np (self, name, strlen (LONGEST_NAME));
+
+ if (res != 0)
+ {
+ if (res == ERANGE)
+ {
+ if (strncmp (CANARY_NAME, name, strlen (BIG_NAME)) == 0)
+ {
+ printf ("PASS: Test 5 - ERANGE and buffer unmodified.\n");
+ }
+ else
+ {
+ printf ("FAIL: Test 5 - Original buffer modified.\n");
+ ret++;
+ }
+ }
+ else
+ {
+ printf ("FAIL: Test 5 - Did not return ERANGE for small buffer.\n");
+ ret++;
+ }
+ }
+ else
+ {
+ printf ("FAIL: Test 5 - Returned name longer than buffer.\n");
+ ret++;
+ }
+
+ /* Test 6: Lastly make sure we can read back the longest name. */
+ res = pthread_getname_np (self, name, strlen (LONGEST_NAME) + 1);
+
+ if (res == 0)
+ {
+ if (strncmp (LONGEST_NAME, name, strlen (BIG_NAME)) == 0)
+ {
+ printf ("PASS: Test 6 - Read back longest name correctly.\n");
+ }
+ else
+ {
+ printf ("FAIL: Test 6 - Read \"%s\" instead of longest name.\n",
+ name);
+ ret++;
+ }
+ }
+ else
+ {
+ printf ("FAIL: Test 6 - pthread_getname_np failed with error %d\n", res);
+ ret++;
+ }
+
+ return ret;
+}
+
+#include <test-skeleton.c>
diff --git a/sysdeps/unix/sysv/linux/x86/pthread_mutex_cond_lock.c b/sysdeps/unix/sysv/linux/x86/pthread_mutex_cond_lock.c
index 34c7052..8d21591 100644
--- a/sysdeps/unix/sysv/linux/x86/pthread_mutex_cond_lock.c
+++ b/sysdeps/unix/sysv/linux/x86/pthread_mutex_cond_lock.c
@@ -19,4 +19,4 @@
already elided locks. */
#include <elision-conf.h>
-#include "sysdeps/unix/sysv/linux/pthread_mutex_cond_lock.c"
+#include <nptl/pthread_mutex_cond_lock.c>
diff --git a/sysdeps/unix/sysv/linux/x86_64/sigaction.c b/sysdeps/unix/sysv/linux/x86_64/sigaction.c
index 6735b70..53a8134 100644
--- a/sysdeps/unix/sysv/linux/x86_64/sigaction.c
+++ b/sysdeps/unix/sysv/linux/x86_64/sigaction.c
@@ -73,15 +73,8 @@ __libc_sigaction (int sig, const struct sigaction *act, struct sigaction *oact)
}
libc_hidden_def (__libc_sigaction)
-#ifdef WRAPPER_INCLUDE
-# include WRAPPER_INCLUDE
-#endif
-
-#ifndef LIBC_SIGACTION
-weak_alias (__libc_sigaction, __sigaction)
-libc_hidden_weak (__sigaction)
-weak_alias (__libc_sigaction, sigaction)
-#endif
+#include <nptl/sigaction.c>
+
/* NOTE: Please think twice before making any changes to the bits of
code below. GDB needs some intimate knowledge about it to