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authorUlrich Drepper <drepper@redhat.com>2000-04-15 17:15:10 +0000
committerUlrich Drepper <drepper@redhat.com>2000-04-15 17:15:10 +0000
commitef187474bc32c56121db454e023197f2037e601d (patch)
tree37d50aa26f48b0eda1886665c4389831bc78a8b2 /linuxthreads/semaphore.c
parenta5a6f9262eeffab9f78622258fae306d1bf99d04 (diff)
downloadglibc-ef187474bc32c56121db454e023197f2037e601d.tar.gz
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Update.
	* sysdeps/alpha/dl-machine.h (RTLD_START):Rewrite for new init
	function interface.  Patch by Richard Henderson <rth@cygnus.com>.
Diffstat (limited to 'linuxthreads/semaphore.c')
-rw-r--r--linuxthreads/semaphore.c55
1 files changed, 1 insertions, 54 deletions
diff --git a/linuxthreads/semaphore.c b/linuxthreads/semaphore.c
index 7775b5a7d3..35bb79679b 100644
--- a/linuxthreads/semaphore.c
+++ b/linuxthreads/semaphore.c
@@ -195,10 +195,6 @@ int sem_timedwait(sem_t *sem, const struct timespec *abstime)
   pthread_descr self = thread_self();
   pthread_extricate_if extr;
   int already_canceled = 0;
-  int was_signalled = 0;
-  sigjmp_buf jmpbuf;
-  sigset_t unblock;
-  sigset_t initial_mask;
 
   __pthread_lock((pthread_spinlock_t *) &sem->__sem_lock, self);
   if (sem->__sem_value > 0) {
@@ -233,56 +229,7 @@ int sem_timedwait(sem_t *sem, const struct timespec *abstime)
     pthread_exit(PTHREAD_CANCELED);
   }
 
-  /* Set up a longjmp handler for the restart signal, unblock
-     the signal and sleep. */
-
-  if (sigsetjmp(jmpbuf, 1) == 0) {
-    THREAD_SETMEM(self, p_signal_jmp, &jmpbuf);
-    THREAD_SETMEM(self, p_signal, 0);
-    /* Unblock the restart signal */
-    sigemptyset(&unblock);
-    sigaddset(&unblock, __pthread_sig_restart);
-    sigprocmask(SIG_UNBLOCK, &unblock, &initial_mask);
-
-    while (1) {
-        struct timeval now;
-        struct timespec reltime;
-
-        /* Compute a time offset relative to now.  */
-        __gettimeofday (&now, NULL);
-        reltime.tv_nsec = abstime->tv_nsec - now.tv_usec * 1000;
-        reltime.tv_sec = abstime->tv_sec - now.tv_sec;
-        if (reltime.tv_nsec < 0) {
-          reltime.tv_nsec += 1000000000;
-          reltime.tv_sec -= 1;
-        }
-
-        /* Sleep for the required duration. If woken by a signal,
-           resume waiting as required by Single Unix Specification.  */
-        if (reltime.tv_sec < 0 || __libc_nanosleep(&reltime, NULL) == 0)
-          break;
-      }
-
-    /* Block the restart signal again */
-    sigprocmask(SIG_SETMASK, &initial_mask, NULL);
-    was_signalled = 0;
-  } else {
-    was_signalled = 1;
-  }
-  THREAD_SETMEM(self, p_signal_jmp, NULL);
-
-  /* Now was_signalled is true if we exited the above code
-     due to the delivery of a restart signal.  In that case,
-     everything is cool. We have been removed from the queue
-     by the other thread, and consumed its signal.
-
-     Otherwise we this thread woke up spontaneously, or due to a signal other
-     than restart. The next thing to do is to try to remove the thread
-     from the queue. This may fail due to a race against another thread
-     trying to do the same. In the failed case, we know we were signalled,
-     and we may also have to consume a restart signal. */
-
-  if (!was_signalled) {
+  if (timedsuspend(self, abstime) == 0) {
     int was_on_queue;
 
     /* __pthread_lock will queue back any spurious restarts that