1 files changed, 0 insertions, 125 deletions
diff --git a/libgo/runtime/thread-sema.c b/libgo/runtime/thread-sema.c
index 18827b025d..b74b1dab11 100644
--- a/libgo/runtime/thread-sema.c
+++ b/libgo/runtime/thread-sema.c
@@ -10,131 +10,6 @@
 #include <time.h>
 #include <semaphore.h>
 
-/* If we don't have sem_timedwait, use pthread_cond_timedwait instead.
-   We don't always use condition variables because on some systems
-   pthread_mutex_lock and pthread_mutex_unlock must be called by the
-   same thread.  That is never true of semaphores.  */
-
-struct go_sem
-{
-  sem_t sem;
-
-#ifndef HAVE_SEM_TIMEDWAIT
-  int timedwait;
-  pthread_mutex_t mutex;
-  pthread_cond_t cond;
-#endif
-};
-
-/* Create a semaphore.  */
-
-uintptr
-runtime_semacreate(void)
-{
-  struct go_sem *p;
-
-  /* Call malloc rather than runtime_malloc.  This will allocate space
-     on the C heap.  We can't call runtime_malloc here because it
-     could cause a deadlock.  */
-  p = malloc (sizeof (struct go_sem));
-  if (sem_init (&p->sem, 0, 0) != 0)
-    runtime_throw ("sem_init");
-
-#ifndef HAVE_SEM_TIMEDWAIT
-  if (pthread_mutex_init (&p->mutex, NULL) != 0)
-    runtime_throw ("pthread_mutex_init");
-  if (pthread_cond_init (&p->cond, NULL) != 0)
-    runtime_throw ("pthread_cond_init");
-#endif
-
-  return (uintptr) p;
-}
-
-/* Acquire m->waitsema.  */
-
-int32
-runtime_semasleep (int64 ns)
-{
-  M *m;
-  struct go_sem *sem;
-  int r;
-
-  m = runtime_m ();
-  sem = (struct go_sem *) m->waitsema;
-  if (ns >= 0)
-    {
-      int64 abs;
-      struct timespec ts;
-      int err;
-
-      abs = ns + runtime_nanotime ();
-      ts.tv_sec = abs / 1000000000LL;
-      ts.tv_nsec = abs % 1000000000LL;
-
-      err = 0;
-
-#ifdef HAVE_SEM_TIMEDWAIT
-      r = sem_timedwait (&sem->sem, &ts);
-      if (r != 0)
-	err = errno;
-#else
-      if (pthread_mutex_lock (&sem->mutex) != 0)
-	runtime_throw ("pthread_mutex_lock");
-
-      while ((r = sem_trywait (&sem->sem)) != 0)
-	{
-	  r = pthread_cond_timedwait (&sem->cond, &sem->mutex, &ts);
-	  if (r != 0)
-	    {
-	      err = r;
-	      break;
-	    }
-	}
-
-      if (pthread_mutex_unlock (&sem->mutex) != 0)
-	runtime_throw ("pthread_mutex_unlock");
-#endif
-
-      if (err != 0)
-	{
-	  if (err == ETIMEDOUT || err == EAGAIN || err == EINTR)
-	    return -1;
-	  runtime_throw ("sema_timedwait");
-	}
-      return 0;
-    }
-
-  while (sem_wait (&sem->sem) != 0)
-    {
-      if (errno == EINTR)
-	continue;
-      runtime_throw ("sem_wait");
-    }
-
-  return 0;
-}
-
-/* Wake up mp->waitsema.  */
-
-void
-runtime_semawakeup (M *mp)
-{
-  struct go_sem *sem;
-
-  sem = (struct go_sem *) mp->waitsema;
-  if (sem_post (&sem->sem) != 0)
-    runtime_throw ("sem_post");
-
-#ifndef HAVE_SEM_TIMEDWAIT
-  if (pthread_mutex_lock (&sem->mutex) != 0)
-    runtime_throw ("pthread_mutex_lock");
-  if (pthread_cond_broadcast (&sem->cond) != 0)
-    runtime_throw ("pthread_cond_broadcast");
-  if (pthread_mutex_unlock (&sem->mutex) != 0)
-    runtime_throw ("pthread_mutex_unlock");
-#endif
-}
-
 void
 runtime_osinit (void)
 {