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Diffstat (limited to 'nptl/sysdeps/pthread/pthread_cond_timedwait.c')
-rw-r--r--nptl/sysdeps/pthread/pthread_cond_timedwait.c25
1 files changed, 24 insertions, 1 deletions
diff --git a/nptl/sysdeps/pthread/pthread_cond_timedwait.c b/nptl/sysdeps/pthread/pthread_cond_timedwait.c
index af9929c500..e0200b4cd8 100644
--- a/nptl/sysdeps/pthread/pthread_cond_timedwait.c
+++ b/nptl/sysdeps/pthread/pthread_cond_timedwait.c
@@ -92,14 +92,37 @@ __pthread_cond_timedwait (cond, mutex, abstime)
 
   while (1)
     {
+      struct timespec rt;
+#ifdef __NR_clock_gettime
+      INTERNAL_SYSCALL_DECL (err);
+      int val = INTERNAL_SYSCALL (clock_gettime, err, 2, cond->__data.__clock,
+				  &ts);
+# ifndef __ASSUME_POSIX_TIMERS
+      if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (val, err), 0))
+	{
+	  struct timeval tv;
+	  (void) gettimeofday (&tv, NULL);
+
+	  /* Convert the absolute timeout value to a relative timeout.  */
+	  rt.tv_sec = abstime->tv_sec - tv.tv_sec;
+	  rt.tv_nsec = abstime->tv_nsec - tv.tv_usec * 1000;
+	}
+      else
+# endif
+	{
+	  /* Convert the absolute timeout value to a relative timeout.  */
+	  rt.tv_sec = abstime->tv_sec - rt.tv_sec;
+	  rt.tv_nsec = abstime->tv_nsec - rt.tv_nsec;
+	}
+#else
       /* Get the current time.  So far we support only one clock.  */
       struct timeval tv;
       (void) gettimeofday (&tv, NULL);
 
       /* Convert the absolute timeout value to a relative timeout.  */
-      struct timespec rt;
       rt.tv_sec = abstime->tv_sec - tv.tv_sec;
       rt.tv_nsec = abstime->tv_nsec - tv.tv_usec * 1000;
+#endif
       if (rt.tv_nsec < 0)
 	{
 	  rt.tv_nsec += 1000000000;