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mirror of https://sourceware.org/git/glibc.git synced 2025-08-01 10:06:57 +03:00
2003-03-03  Martin Schwidefsky  <schwidefsky@de.ibm.com>

	* atomic.h (atomic_exchange_and_add): Return newval, not oldval.

	* sysdeps/pthread/pthread_cond_timedwait.c (__pthread_cond_timedwait):
	Fix handling of cancellation and failing pthread_mutex_unlock call.
	* sysdeps/pthread/pthread_cond_wait.c (__condvar_cleanup): Likewise.
	(__pthread_cond_wait): Likewise.

	* sysdeps/pthread/pthread_rwlock_timedrdlock.c
	(pthread_rwlock_timedrdlock): Fix clobber of result variable by
	lll_futex_timed_wait call.
	* sysdeps/pthread/pthread_rwlock_timedwrlock.c
	(pthread_rwlock_timedwrlock): Likewise.

	* sysdeps/unix/sysv/linux/s390/libc-lowlevellock.c (___lll_lock):
	Don't define lll_unlock_wake_cb and ___lll_timedwait_tid in libc.so.
	* sysdeps/unix/sysv/linux/s390/lowlevellock.c: Remove XXX comments.

	* sysdeps/unix/sysv/linux/s390/sem_post.c (__new_sem_post): Fix
	check of lll_futex_wake return value.
This commit is contained in:
Ulrich Drepper
2003-03-03 21:11:12 +00:00
parent 625f22fc7f
commit 7ce5c1640c
10 changed files with 377 additions and 276 deletions

View File

@ -17,5 +17,26 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
/* No difference to lowlevellock.c */
#include "lowlevellock.c"
#include <errno.h>
#include <sysdep.h>
#include <lowlevellock.h>
#include <sys/time.h>
void
___lll_lock (futex, newval)
int *futex;
int newval;
{
do
{
int oldval;
lll_futex_wait (futex, newval);
lll_compare_and_swap (futex, oldval, newval, "lr %2,%1; ahi %2,-1");
}
while (newval != 0);
*futex = -1;
}
hidden_proto (___lll_lock)