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authorRoland McGrath <roland@gnu.org>2003-04-02 00:11:05 +0000
committerRoland McGrath <roland@gnu.org>2003-04-02 00:11:05 +0000
commit9a197dcc6a93d7938bede6ca85fd1f769424cf17 (patch)
treeb369b79b99a6a3869ae2c08bba80b81a7c46f095 /linuxthreads
parentde58be8a098dfb710f0b6167c8fabc265f2920de (diff)
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* sysdeps/unix/sysv/linux/sparc/sparc64/sigsuspend.c: Use the
IA-64 version.
Diffstat (limited to 'linuxthreads')
-rw-r--r--linuxthreads/ChangeLog15
-rw-r--r--linuxthreads/Makefile6
-rw-r--r--linuxthreads/internals.h2
-rw-r--r--linuxthreads/pthread.c3
-rw-r--r--linuxthreads/sysdeps/unix/sysv/linux/alpha/pt-sigsuspend.S28
-rw-r--r--linuxthreads/sysdeps/unix/sysv/linux/ia64/pt-sigsuspend.c33
-rw-r--r--linuxthreads/sysdeps/unix/sysv/linux/pt-sigsuspend.c56
-rw-r--r--linuxthreads/sysdeps/unix/sysv/linux/s390/s390-64/pt-sigsuspend.c1
-rw-r--r--linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc64/pt-sigsuspend.c1
-rw-r--r--linuxthreads/sysdeps/unix/sysv/linux/x86_64/pt-sigsuspend.c1
-rw-r--r--linuxthreads/tst-cancel7.c111
11 files changed, 253 insertions, 4 deletions
diff --git a/linuxthreads/ChangeLog b/linuxthreads/ChangeLog
index dbdb0d4..6bd2000 100644
--- a/linuxthreads/ChangeLog
+++ b/linuxthreads/ChangeLog
@@ -1,3 +1,18 @@
+2003-04-01 Jakub Jelinek <jakub@redhat.com>
+
+ * pthread.c (__pthread_wait_for_restart_signal): Use
+ __pthread_sigsuspend instead of sigsuspend.
+ * internals.h (__pthread_sigsuspend): New prototype.
+ * Makefile (libpthread-routines): Add pt-sigsuspend.
+ (tests): Add tst-cancel7.
+ * sysdeps/unix/sysv/linux/pt-sigsuspend.c: New file.
+ * sysdeps/unix/sysv/linux/alpha/pt-sigsuspend.S: New file.
+ * sysdeps/unix/sysv/linux/ia64/pt-sigsuspend.c: New file.
+ * sysdeps/unix/sysv/linux/s390/s390-64/pt-sigsuspend.c: New file.
+ * sysdeps/unix/sysv/linux/sparc/sparc64/pt-sigsuspend.c: New file.
+ * sysdeps/unix/sysv/linux/x86_64/pt-sigsuspend.c: New file.
+ * tst-cancel7.c: New test.
+
2003-03-31 Alexandre Oliva <aoliva@redhat.com>
* alloca_cutoff.c: Include internals.h.
diff --git a/linuxthreads/Makefile b/linuxthreads/Makefile
index 8a6f9bf..fd8f92b 100644
--- a/linuxthreads/Makefile
+++ b/linuxthreads/Makefile
@@ -36,8 +36,8 @@ extra-libs-others := $(extra-libs)
install-lib-ldscripts := libpthread.so
libpthread-routines := attr cancel condvar join manager mutex ptfork \
- ptlongjmp pthread signals specific errno lockfile \
- semaphore spinlock rwlock pt-machine \
+ ptlongjmp pthread pt-sigsuspend signals specific errno \
+ lockfile semaphore spinlock rwlock pt-machine \
oldsemaphore events getcpuclockid pspinlock barrier \
ptclock_gettime ptclock_settime sighandler \
pthandles libc-tls-loc pt-allocrtsig \
@@ -89,7 +89,7 @@ tests = ex1 ex2 ex3 ex4 ex5 ex6 ex7 ex8 ex9 $(librt-tests) ex12 ex13 joinrace \
tststack $(tests-nodelete-$(have-z-nodelete)) ecmutex ex14 ex15 ex16 \
ex17 ex18 tst-cancel tst-context bug-sleep \
tst-cancel1 tst-cancel2 tst-cancel3 tst-cancel4 tst-cancel5 \
- tst-cancel6 tst-popen tst-popen2
+ tst-cancel6 tst-cancel7 tst-popen tst-popen2
test-srcs = tst-signal
# These tests are linked with libc before libpthread
tests-reverse += tst-cancel5
diff --git a/linuxthreads/internals.h b/linuxthreads/internals.h
index 36fdfe1..eb5ba13 100644
--- a/linuxthreads/internals.h
+++ b/linuxthreads/internals.h
@@ -377,6 +377,8 @@ extern int __pthread_timedsuspend_new(pthread_descr self, const struct timespec
extern void __pthread_wait_for_restart_signal(pthread_descr self);
+extern void __pthread_sigsuspend (const sigset_t *mask) attribute_hidden;
+
extern int __pthread_yield (void);
extern int __pthread_rwlock_timedrdlock (pthread_rwlock_t *__restrict __rwlock,
diff --git a/linuxthreads/pthread.c b/linuxthreads/pthread.c
index 01be30b..f165ab1 100644
--- a/linuxthreads/pthread.c
+++ b/linuxthreads/pthread.c
@@ -1144,7 +1144,8 @@ void __pthread_wait_for_restart_signal(pthread_descr self)
sigdelset(&mask, __pthread_sig_restart); /* Unblock the restart signal */
THREAD_SETMEM(self, p_signal, 0);
do {
- sigsuspend(&mask); /* Wait for signal */
+ __pthread_sigsuspend(&mask); /* Wait for signal. Must not be a
+ cancellation point. */
} while (THREAD_GETMEM(self, p_signal) !=__pthread_sig_restart);
READ_MEMORY_BARRIER(); /* See comment in __pthread_restart_new */
diff --git a/linuxthreads/sysdeps/unix/sysv/linux/alpha/pt-sigsuspend.S b/linuxthreads/sysdeps/unix/sysv/linux/alpha/pt-sigsuspend.S
new file mode 100644
index 0000000..91e5c86
--- /dev/null
+++ b/linuxthreads/sysdeps/unix/sysv/linux/alpha/pt-sigsuspend.S
@@ -0,0 +1,28 @@
+/* Internal sigsuspend system call for LinuxThreads. Alpha version.
+ Copyright (C) 2003 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; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <sysdep.h>
+
+#undef PSEUDO_PREPARE_ARGS
+#define PSEUDO_PREPARE_ARGS ldq a0, 0(a0);
+
+ .hidden __pthread_sigsuspend
+PSEUDO_NOERRNO(__pthread_sigsuspend, sigsuspend, 1)
+ ret
+PSEUDO_END_NOERRNO(__pthread_sigsuspend)
diff --git a/linuxthreads/sysdeps/unix/sysv/linux/ia64/pt-sigsuspend.c b/linuxthreads/sysdeps/unix/sysv/linux/ia64/pt-sigsuspend.c
new file mode 100644
index 0000000..0b96e3d
--- /dev/null
+++ b/linuxthreads/sysdeps/unix/sysv/linux/ia64/pt-sigsuspend.c
@@ -0,0 +1,33 @@
+/* Internal sigsuspend system call for LinuxThreads. IA64 version.
+ Copyright (C) 2003 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; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <signal.h>
+#include <unistd.h>
+
+#include <sysdep.h>
+#include <sys/syscall.h>
+#include <linuxthreads/internals.h>
+
+void
+__pthread_sigsuspend (const sigset_t *set)
+{
+ INTERNAL_SYSCALL_DECL (err);
+ INTERNAL_SYSCALL (rt_sigsuspend, err, 2, set, _NSIG / 8);
+}
diff --git a/linuxthreads/sysdeps/unix/sysv/linux/pt-sigsuspend.c b/linuxthreads/sysdeps/unix/sysv/linux/pt-sigsuspend.c
new file mode 100644
index 0000000..5528c55
--- /dev/null
+++ b/linuxthreads/sysdeps/unix/sysv/linux/pt-sigsuspend.c
@@ -0,0 +1,56 @@
+/* Internal sigsuspend system call for LinuxThreads. Generic Linux version.
+ Copyright (C) 2003 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; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <signal.h>
+#include <unistd.h>
+
+#include <sysdep.h>
+#include <sys/syscall.h>
+#include <linuxthreads/internals.h>
+
+#include "kernel-features.h"
+
+void
+__pthread_sigsuspend (const sigset_t *set)
+{
+ INTERNAL_SYSCALL_DECL (err);
+#if !__ASSUME_REALTIME_SIGNALS
+ static int __pthread_missing_rt_sigs;
+
+# ifdef __NR_rt_sigsuspend
+ /* First try the RT signals. */
+ if (!__pthread_missing_rt_sigs)
+ {
+ /* XXX The size argument hopefully will have to be changed to the
+ real size of the user-level sigset_t. */
+ int r;
+ r = INTERNAL_SYSCALL (rt_sigsuspend, err, 2, set, _NSIG / 8);
+ if (INTERNAL_SYSCALL_ERRNO (r, err) != ENOSYS)
+ return;
+
+ __pthread_missing_rt_sigs = 1;
+ }
+# endif
+
+ INTERNAL_SYSCALL (sigsuspend, err, 3, 0, 0, set->__val[0]);
+#else
+ INTERNAL_SYSCALL (rt_sigsuspend, err, 2, set, _NSIG / 8);
+#endif
+}
diff --git a/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-64/pt-sigsuspend.c b/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-64/pt-sigsuspend.c
new file mode 100644
index 0000000..d57283a
--- /dev/null
+++ b/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-64/pt-sigsuspend.c
@@ -0,0 +1 @@
+#include "../../ia64/pt-sigsuspend.c"
diff --git a/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc64/pt-sigsuspend.c b/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc64/pt-sigsuspend.c
new file mode 100644
index 0000000..d57283a
--- /dev/null
+++ b/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc64/pt-sigsuspend.c
@@ -0,0 +1 @@
+#include "../../ia64/pt-sigsuspend.c"
diff --git a/linuxthreads/sysdeps/unix/sysv/linux/x86_64/pt-sigsuspend.c b/linuxthreads/sysdeps/unix/sysv/linux/x86_64/pt-sigsuspend.c
new file mode 100644
index 0000000..3a0c2af
--- /dev/null
+++ b/linuxthreads/sysdeps/unix/sysv/linux/x86_64/pt-sigsuspend.c
@@ -0,0 +1 @@
+#include "../ia64/pt-sigsuspend.c"
diff --git a/linuxthreads/tst-cancel7.c b/linuxthreads/tst-cancel7.c
new file mode 100644
index 0000000..11298ea
--- /dev/null
+++ b/linuxthreads/tst-cancel7.c
@@ -0,0 +1,111 @@
+/* Test for pthread cancellation of mutex blocks.
+ Copyright (C) 2003 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Jakub Jelinek <jakub@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, 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>
+
+pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
+pthread_barrier_t b;
+int value = 0;
+
+static void *
+tf (void *arg)
+{
+ int r = pthread_barrier_wait (&b);
+ if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
+ {
+ printf ("%s: barrier_wait failed\n", __FUNCTION__);
+ exit (1);
+ }
+
+ pthread_mutex_lock (&lock);
+ ++value;
+ pthread_testcancel ();
+ ++value;
+ pthread_mutex_unlock (&lock);
+ return NULL;
+}
+
+
+static int
+do_test (void)
+{
+ pthread_mutex_lock (&lock);
+
+ if (pthread_barrier_init (&b, NULL, 2) != 0)
+ {
+ puts ("barrier init failed");
+ return 1;
+ }
+
+ pthread_t th;
+ if (pthread_create (&th, NULL, tf, NULL) != 0)
+ {
+ puts ("pthread_create failed");
+ return 1;
+ }
+
+ int r = pthread_barrier_wait (&b);
+ if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
+ {
+ printf ("%s: barrier_wait failed\n", __FUNCTION__);
+ exit (1);
+ }
+
+ if (pthread_cancel (th) != 0)
+ {
+ puts ("pthread_cancel failed");
+ return 1;
+ }
+
+ pthread_mutex_unlock (&lock);
+
+ void *status;
+ if (pthread_join (th, &status) != 0)
+ {
+ puts ("join failed");
+ return 1;
+ }
+
+ if (status != PTHREAD_CANCELED)
+ {
+ puts ("thread not canceled");
+ return 1;
+ }
+
+ if (value == 0)
+ {
+ puts ("thread cancelled in the pthread_mutex_lock call");
+ return 1;
+ }
+
+ if (value != 1)
+ {
+ puts ("thread not cancelled in pthread_testcancel call");
+ return 1;
+ }
+
+ return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"