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* sysdeps/unix/sysv/linux/sparc/sparc64/sigsuspend.c: Use the

Browse Source 
IA-64 version.
This commit is contained in:
Roland McGrath 2003-04-02 00:11:05 +00:00
parent de58be8a09
commit 9a197dcc6a
12 changed files with 256 additions and 4 deletions
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3
ChangeLog
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@ -1,5 +1,8 @@
2003-04-01 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/sparc/sparc64/sigsuspend.c: Use the
IA-64 version.
* elf/tls-macros.h [__ia64__] (TLS_IE, TLS_LD, TLS_GD): Add gp
register as input to asm.

15
linuxthreads/ChangeLog
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@ -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.

6
linuxthreads/Makefile
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@ -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

2
linuxthreads/internals.h
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@ -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,

3
linuxthreads/pthread.c
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@ -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 */

28
linuxthreads/sysdeps/unix/sysv/linux/alpha/pt-sigsuspend.S Normal file
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@ -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)

33
linuxthreads/sysdeps/unix/sysv/linux/ia64/pt-sigsuspend.c Normal file
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@ -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);
}

56
linuxthreads/sysdeps/unix/sysv/linux/pt-sigsuspend.c Normal file
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@ -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
}

1
linuxthreads/sysdeps/unix/sysv/linux/s390/s390-64/pt-sigsuspend.c Normal file
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@ -0,0 +1 @@
#include "../../ia64/pt-sigsuspend.c"

1
linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc64/pt-sigsuspend.c Normal file
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@ -0,0 +1 @@
#include "../../ia64/pt-sigsuspend.c"

1
linuxthreads/sysdeps/unix/sysv/linux/x86_64/pt-sigsuspend.c Normal file
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@ -0,0 +1 @@
#include "../ia64/pt-sigsuspend.c"

111
linuxthreads/tst-cancel7.c Normal file
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@ -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"