diff options
| -rw-r--r-- | ChangeLog | 9 | ||||
| -rw-r--r-- | malloc/thread-m.h | 37 | ||||
| -rw-r--r-- | nptl/ChangeLog | 14 | ||||
| -rw-r--r-- | nptl/Makefile | 14 | ||||
| -rw-r--r-- | nptl/tst-cancel-wrappers.sh | 94 | ||||
| -rw-r--r-- | nptl/tst-cancel6.c | 79 | ||||
| -rw-r--r-- | nptl/tst-locale1.c | 6 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/x86_64/recv.c | 14 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/x86_64/send.c | 13 |
9 files changed, 266 insertions, 14 deletions
@@ -1,3 +1,12 @@ +2002-12-17 Jakub Jelinek <jakub@redhat.com> + + * malloc/thread-m.h (mutex_init, mutex_lock, mutex_trylock, + mutex_unlock): If not building NPTL, use __libc_maybe_call2 if + available, otherwise __libc_maybe_call. + * sysdeps/unix/sysv/linux/x86_64/recv.c: Add support for + cancellation handling. + * sysdeps/unix/sysv/linux/x86_64/send.c: Likewise. + 2002-12-17 Isamu Hasegawa <isamu@yamato.ibm.com> * posix/regcomp.c (free_workarea_compile): Free the new member diff --git a/malloc/thread-m.h b/malloc/thread-m.h index 34fea0e..49db784 100644 --- a/malloc/thread-m.h +++ b/malloc/thread-m.h @@ -35,21 +35,42 @@ #ifdef PTHREAD_MUTEX_INITIALIZER -/* mutex */ __libc_lock_define (typedef, mutex_t) -/* Even if not linking with libpthread, ensure usability of mutex as - an `in use' flag, see also the NO_THREADS case below. Assume - pthread_mutex_t is at least one int wide. */ +#if defined(LLL_LOCK_INITIALIZER) && !defined(NOT_IN_libc) + +/* Assume NPTL. */ + +#define mutex_init(m) __libc_lock_init (*(m)) +#define mutex_lock(m) __libc_lock_lock (*(m)) +#define mutex_trylock(m) __libc_lock_trylock (*(m)) +#define mutex_unlock(m) __libc_lock_unlock (*(m)) + +#elif defined(__libc_maybe_call2) #define mutex_init(m) \ - __libc_lock_init (*m) + __libc_maybe_call2 (pthread_mutex_init, (m, NULL), (*(int *)(m) = 0)) #define mutex_lock(m) \ - __libc_lock_lock (*m) + __libc_maybe_call2 (pthread_mutex_lock, (m), ((*(int *)(m) = 1), 0)) #define mutex_trylock(m) \ - __libc_lock_trylock (*m) + __libc_maybe_call2 (pthread_mutex_trylock, (m), \ + (*(int *)(m) ? 1 : ((*(int *)(m) = 1), 0))) #define mutex_unlock(m) \ - __libc_lock_unlock (*m) + __libc_maybe_call2 (pthread_mutex_unlock, (m), (*(int *)(m) = 0)) + +#else + +#define mutex_init(m) \ + __libc_maybe_call (__pthread_mutex_init, (m, NULL), (*(int *)(m) = 0)) +#define mutex_lock(m) \ + __libc_maybe_call (__pthread_mutex_lock, (m), ((*(int *)(m) = 1), 0)) +#define mutex_trylock(m) \ + __libc_maybe_call (__pthread_mutex_trylock, (m), \ + (*(int *)(m) ? 1 : ((*(int *)(m) = 1), 0))) +#define mutex_unlock(m) \ + __libc_maybe_call (__pthread_mutex_unlock, (m), (*(int *)(m) = 0)) + +#endif #define thread_atfork(prepare, parent, child) \ (__pthread_atfork != NULL ? __pthread_atfork(prepare, parent, child) : 0) diff --git a/nptl/ChangeLog b/nptl/ChangeLog index 0b7bbd4..ea32d2a 100644 --- a/nptl/ChangeLog +++ b/nptl/ChangeLog @@ -1,5 +1,19 @@ 2002-12-17 Jakub Jelinek <jakub@redhat.com> + * Makefile (libpthread-shared-only-routines): Add pt-allocrtsig. + (tests): Depend on $(objpfx)tst-cancel-wrappers.out. + ($(objpfx)tst-cancel-wrappers.out): New rule. + * tst-cancel-wrappers.sh: New test. + * tst-locale1.c: Include signal.h. + (uselocale): Test static linking of __libc_current_sigrt*. + +2002-12-17 Ulrich Drepper <drepper@redhat.com> + + * Makefile (tests): Add tst-cancel6. + * tst-cancel6.c: New file + +2002-12-17 Jakub Jelinek <jakub@redhat.com> + * sysdeps/unix/sysv/linux/i386/sysdep-cancel.h (SINGLE_THREAD_P): Define meaningfully for assembler as well. * pthreadP.h (struct pthread_functions): Remove diff --git a/nptl/Makefile b/nptl/Makefile index 88f038d..6b09f08 100644 --- a/nptl/Makefile +++ b/nptl/Makefile @@ -107,6 +107,8 @@ libpthread-routines = init events \ herrno res pt-allocrtsig \ pthread_kill_other_threads +libpthread-shared-only-routines = pt-allocrtsig + libpthread-nonshared = pthread_atfork @@ -126,6 +128,7 @@ tests = tst-mutex1 tst-mutex2 tst-mutex3 tst-mutex4 tst-mutex5 tst-mutex6 \ tst-fork1 tst-fork2 tst-fork3 \ tst-atfork1 \ tst-cancel1 tst-cancel2 tst-cancel3 tst-cancel4 tst-cancel5 \ + tst-cancel6 \ tst-cleanup1 \ tst-flock1 tst-flock2 \ tst-signal1 tst-signal2 tst-signal3 \ @@ -241,3 +244,14 @@ $(objpfx)crti.o: $(objpfx)crti.S $(objpfx)defs.h generated += crti.S defs.h pt-initfini.s endif + +ifeq (no,$(cross-compiling)) +ifeq (yes,$(build-shared)) +tests: $(objpfx)tst-cancel-wrappers.out +$(objpfx)tst-cancel-wrappers.out: tst-cancel-wrappers.sh + $(SHELL) $< $(common-objpfx)libc_pic.a \ + $(common-objpfx)libc.a \ + $(objpfx)libpthread_pic.a \ + $(objpfx)libpthread.a > $@ +endif +endif diff --git a/nptl/tst-cancel-wrappers.sh b/nptl/tst-cancel-wrappers.sh new file mode 100644 index 0000000..39ded2e --- /dev/null +++ b/nptl/tst-cancel-wrappers.sh @@ -0,0 +1,94 @@ +#! /bin/sh +# Test whether all cancellable functions are cancellable. +# Copyright (C) 2002 Free Software Foundation, Inc. +# This file is part of the GNU C Library. +# Contributed by Jakub Jelinek <jakub@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, write to the Free +# Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA +# 02111-1307 USA. + +while [ $# -gt 0 ]; do + ( nm -P $1; echo 'end[end]:' ) | awk ' BEGIN { +C["accept"]=1 +C["close"]=1 +C["connect"]=1 +C["creat"]=1 +C["fcntl"]=1 +C["fsync"]=1 +C["llseek"]=1 +C["lseek"]=1 +C["msgrcv"]=1 +C["msgsnd"]=1 +C["msync"]=1 +C["nanosleep"]=1 +C["open"]=1 +C["open64"]=1 +C["pause"]=1 +C["poll"]=1 +C["pread"]=1 +C["pread64"]=1 +C["pselect"]=1 +C["pwrite"]=1 +C["pwrite64"]=1 +C["read"]=1 +C["readv"]=1 +C["recv"]=1 +C["recvfrom"]=1 +C["recvmsg"]=1 +C["select"]=1 +C["send"]=1 +C["sendmsg"]=1 +C["sendto"]=1 +C["sigpause"]=1 +C["sigsuspend"]=1 +C["sigwait"]=1 +C["sigwaitinfo"]=1 +C["system"]=1 +C["tcdrain"]=1 +C["wait"]=1 +C["waitid"]=1 +C["waitpid"]=1 +C["write"]=1 +C["writev"]=1 +C["__xpg_sigpause"]=1 +} +/:$/ { + if (seen) + { + if (!seen_enable || !seen_disable) + { + printf "in '$1'(%s) %s'\''s cancellation missing\n", object, seen + ret = 1 + } + } + seen="" + seen_enable="" + seen_disable="" + object=gensub(/^.*\[(.*)\]:$/,"\\1","",$0) + next +} +{ + if (C[$1] && $2 ~ /^[TW]$/) + seen=$1 + else if ($1 ~ /^__(libc|pthread)_enable_asynccancel$/ && $2 == "U") + seen_enable=1 + else if ($1 ~ /^__(libc|pthread)_disable_asynccancel$/ && $2 == "U") + seen_disable=1 +} +END { + exit ret +}' || exit + shift +done diff --git a/nptl/tst-cancel6.c b/nptl/tst-cancel6.c new file mode 100644 index 0000000..94de858 --- /dev/null +++ b/nptl/tst-cancel6.c @@ -0,0 +1,79 @@ +/* Copyright (C) 2002 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <pthread.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + + +static void * +tf (void *arg) +{ + char buf[100]; + fgets (buf, sizeof (buf), arg); + /* This call should never return. */ + return NULL; +} + + +static int +do_test (void) +{ + int fd[2]; + if (pipe (fd) != 0) + { + puts ("pipe failed"); + return 1; + } + + FILE *fp = fdopen (fd[0], "r"); + if (fp == NULL) + { + puts ("fdopen failed"); + return 1; + } + + pthread_t th; + if (pthread_create (&th, NULL, tf, fp) != 0) + { + puts ("pthread_create failed"); + return 1; + } + + sleep (1); + + if (pthread_cancel (th) != 0) + { + puts ("pthread_cancel failed"); + return 1; + } + + void *r; + if (pthread_join (th, &r) != 0) + { + puts ("pthread_join failed"); + return 1; + } + + return r != PTHREAD_CANCELED; +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" diff --git a/nptl/tst-locale1.c b/nptl/tst-locale1.c index 3c88e72..08b4370 100644 --- a/nptl/tst-locale1.c +++ b/nptl/tst-locale1.c @@ -4,10 +4,14 @@ #include "../locale/tst-C-locale.c" #include <pthread.h> +#include <signal.h> /* This is never called, just here to get pthreads linked in. */ -void +int useless (void) { pthread_create (0, 0, 0, 0); + /* This is to check __libc_current_sigrt* can be used in statically + linked apps. */ + return SIGRTMIN; } diff --git a/sysdeps/unix/sysv/linux/x86_64/recv.c b/sysdeps/unix/sysv/linux/x86_64/recv.c index 9ffeb5e..2fa1794 100644 --- a/sysdeps/unix/sysv/linux/x86_64/recv.c +++ b/sysdeps/unix/sysv/linux/x86_64/recv.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2001 Free Software Foundation, Inc. +/* Copyright (C) 2001, 2002 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 @@ -18,7 +18,7 @@ #include <errno.h> #include <sys/socket.h> -#include <sysdep.h> +#include <sysdep-cancel.h> /* Read N bytes into BUF from socket FD. Returns the number read or -1 for errors. */ @@ -26,8 +26,16 @@ ssize_t __libc_recv (int fd, void *buf, size_t n, int flags) { + if (SINGLE_THREAD_P) + return INLINE_SYSCALL (recvfrom, 6, fd, buf, n, flags, NULL, NULL); - return INLINE_SYSCALL (recvfrom, 6, fd, buf, n, flags, NULL, NULL); + int oldtype = LIBC_CANCEL_ASYNC (); + + ssize_t result = INLINE_SYSCALL (recvfrom, 6, fd, buf, n, flags, NULL, NULL); + + LIBC_CANCEL_RESET (oldtype); + + return result; } weak_alias (__libc_recv, __recv) diff --git a/sysdeps/unix/sysv/linux/x86_64/send.c b/sysdeps/unix/sysv/linux/x86_64/send.c index bfbd212..c484ce6 100644 --- a/sysdeps/unix/sysv/linux/x86_64/send.c +++ b/sysdeps/unix/sysv/linux/x86_64/send.c @@ -18,13 +18,22 @@ #include <errno.h> #include <sys/socket.h> -#include <sysdep.h> +#include <sysdep-cancel.h> /* Send N bytes of BUF to socket FD. Returns the number sent or -1. */ ssize_t __libc_send (int fd, const void *buf, size_t n, int flags) { - return INLINE_SYSCALL (sendto, 6, fd, buf, n, flags, NULL, NULL); + if (SINGLE_THREAD_P) + return INLINE_SYSCALL (sendto, 6, fd, buf, n, flags, NULL, NULL); + + int oldtype = LIBC_CANCEL_ASYNC (); + + ssize_t result = INLINE_SYSCALL (sendto, 6, fd, buf, n, flags, NULL, NULL); + + LIBC_CANCEL_RESET (oldtype); + + return result; } weak_alias (__libc_send, __send) |