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authorUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
committerUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
commita334319f6530564d22e775935d9c91663623a1b4 (patch)
treeb5877475619e4c938e98757d518bb1e9cbead751 /nptl/sysdeps/unix/sysv/linux/lowlevelrobustlock.c
parent0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff)
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(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/lowlevelrobustlock.c')
-rw-r--r--nptl/sysdeps/unix/sysv/linux/lowlevelrobustlock.c113
1 files changed, 0 insertions, 113 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/lowlevelrobustlock.c b/nptl/sysdeps/unix/sysv/linux/lowlevelrobustlock.c
deleted file mode 100644
index 30ef991bd0..0000000000
--- a/nptl/sysdeps/unix/sysv/linux/lowlevelrobustlock.c
+++ /dev/null
@@ -1,113 +0,0 @@
-/* Copyright (C) 2006, 2007 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jakub@redhat.com>, 2006.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, write to the Free
-   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-   02111-1307 USA.  */
-
-#include <errno.h>
-#include <sysdep.h>
-#include <lowlevellock.h>
-#include <sys/time.h>
-#include <pthreadP.h>
-
-
-int
-__lll_robust_lock_wait (int *futex)
-{
-  int oldval = *futex;
-  int tid = THREAD_GETMEM (THREAD_SELF, tid);
-
-  /* If the futex changed meanwhile try locking again.  */
-  if (oldval == 0)
-    goto try;
-
-  do
-    {
-      if (__builtin_expect (oldval & FUTEX_OWNER_DIED, 0))
-	return oldval;
-
-      int newval = oldval | FUTEX_WAITERS;
-      if (oldval != newval
-	  && atomic_compare_and_exchange_bool_acq (futex, newval, oldval))
-	continue;
-
-      lll_futex_wait (futex, newval);
-
-    try:
-      ;
-    }
-  while ((oldval = atomic_compare_and_exchange_val_acq (futex,
-							tid | FUTEX_WAITERS,
-							0)) != 0);
-  return 0;
-}
-
-
-int
-__lll_robust_timedlock_wait (int *futex, const struct timespec *abstime)
-{
-  /* Reject invalid timeouts.  */
-  if (abstime->tv_nsec < 0 || abstime->tv_nsec >= 1000000000)
-    return EINVAL;
-
-  int tid = THREAD_GETMEM (THREAD_SELF, tid);
-  int oldval = *futex;
-
-  /* If the futex changed meanwhile try locking again.  */
-  if (oldval == 0)
-    goto try;
-
-  do
-    {
-      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;
-
-      /* Wait.  */
-      if (__builtin_expect (oldval & FUTEX_OWNER_DIED, 0))
-	return oldval;
-
-      int newval = oldval | FUTEX_WAITERS;
-      if (oldval != newval
-	  && atomic_compare_and_exchange_bool_acq (futex, newval, oldval))
-	continue;
-
-      lll_futex_timed_wait (futex, newval, &rt);
-
-    try:
-      ;
-    }
-  while ((oldval = atomic_compare_and_exchange_val_acq (futex,
-							tid | FUTEX_WAITERS,
-							0)) != 0);
-
-  return 0;
-}