Split timed-wait functions out of nptl/lowlevellock.c.

1 files changed, 1 insertions, 84 deletions

diff --git a/nptl/lowlevellock.c b/nptl/lowlevellock.c
index 98c859f44e..7025b9e4fc 100644
--- a/nptl/lowlevellock.c
+++ b/nptl/lowlevellock.c
@@ -34,7 +34,7 @@ __lll_lock_wait_private (int *futex)
 }
 
 
-/* These functions don't get included in libc.so  */
+/* This function doesn't get included in libc.  */
 #if IS_IN (libpthread)
 void
 __lll_lock_wait (int *futex, int private)
@@ -45,87 +45,4 @@ __lll_lock_wait (int *futex, int private)
   while (atomic_exchange_acq (futex, 2) != 0)
     lll_futex_wait (futex, 2, private); /* Wait if *futex == 2.  */
 }
-
-
-int
-__lll_timedlock_wait (int *futex, const struct timespec *abstime, int private)
-{
-  /* Reject invalid timeouts.  */
-  if (abstime->tv_nsec < 0 || abstime->tv_nsec >= 1000000000)
-    return EINVAL;
-
-  /* Try locking.  */
-  while (atomic_exchange_acq (futex, 2) != 0)
-    {
-      struct timeval tv;
-
-      /* Get the current time.  */
-      (void) __gettimeofday (&tv, NULL);
-
-      /* Compute relative timeout.  */
-      struct timespec rt;
-      rt.tv_sec = abstime->tv_sec - tv.tv_sec;
-      rt.tv_nsec = abstime->tv_nsec - tv.tv_usec * 1000;
-      if (rt.tv_nsec < 0)
-	{
-	  rt.tv_nsec += 1000000000;
-	  --rt.tv_sec;
-	}
-
-      if (rt.tv_sec < 0)
-	return ETIMEDOUT;
-
-      /* If *futex == 2, wait until woken or timeout.  */
-      lll_futex_timed_wait (futex, 2, &rt, private);
-    }
-
-  return 0;
-}
-
-
-/* The kernel notifies a process which uses CLONE_CHILD_CLEARTID via futex
-   wake-up when the clone terminates.  The memory location contains the
-   thread ID while the clone is running and is reset to zero by the kernel
-   afterwards.  The kernel up to version 3.16.3 does not use the private futex
-   operations for futex wake-up when the clone terminates.  */
-int
-__lll_timedwait_tid (int *tidp, const struct timespec *abstime)
-{
-  int tid;
-
-  if (abstime->tv_nsec < 0 || abstime->tv_nsec >= 1000000000)
-    return EINVAL;
-
-  /* Repeat until thread terminated.  */
-  while ((tid = *tidp) != 0)
-    {
-      struct timeval tv;
-      struct timespec rt;
-
-      /* Get the current time.  */
-      (void) __gettimeofday (&tv, NULL);
-
-      /* Compute relative timeout.  */
-      rt.tv_sec = abstime->tv_sec - tv.tv_sec;
-      rt.tv_nsec = abstime->tv_nsec - tv.tv_usec * 1000;
-      if (rt.tv_nsec < 0)
-	{
-	  rt.tv_nsec += 1000000000;
-	  --rt.tv_sec;
-	}
-
-      /* Already timed out?  */
-      if (rt.tv_sec < 0)
-	return ETIMEDOUT;
-
-      /* If *tidp == tid, wait until thread terminates or the wait times out.
-         The kernel up to version 3.16.3 does not use the private futex
-         operations for futex wake-up when the clone terminates.
-      */
-      if (lll_futex_timed_wait (tidp, tid, &rt, LLL_SHARED) == -ETIMEDOUT)
-	return ETIMEDOUT;
-    }
-
-  return 0;
-}
 #endif