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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/sparc/sparc32/sem_timedwait.c
parent0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff)
(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_timedwait.c')
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_timedwait.c117
1 files changed, 0 insertions, 117 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_timedwait.c b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_timedwait.c
deleted file mode 100644
index efcc9e9aa8..0000000000
--- a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_timedwait.c
+++ /dev/null
@@ -1,117 +0,0 @@
-/* sem_timedwait -- wait on a semaphore. SPARC version.
- Copyright (C) 2003, 2006 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Paul Mackerras <paulus@au.ibm.com>, 2003.
-
- 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 <internaltypes.h>
-#include <semaphore.h>
-
-#include <pthreadP.h>
-#include <shlib-compat.h>
-
-
-int
-sem_timedwait (sem_t *sem, const struct timespec *abstime)
-{
- /* First check for cancellation. */
- CANCELLATION_P (THREAD_SELF);
-
- int *futex = (int *) sem;
- int val;
- int err;
-
- if (*futex > 0)
- {
- if (__atomic_is_v9)
- val = atomic_decrement_if_positive (futex);
- else
- {
- __sparc32_atomic_do_lock24 (futex + 1);
- val = *futex;
- if (val > 0)
- *futex = val - 1;
- __sparc32_atomic_do_unlock24 (futex + 1);
- }
- if (val > 0)
- return 0;
- }
-
- err = -EINVAL;
- if (abstime->tv_nsec < 0 || abstime->tv_nsec >= 1000000000)
- goto error_return;
-
- do
- {
- struct timeval tv;
- struct timespec rt;
- int sec, nsec;
-
- /* Get the current time. */
- __gettimeofday (&tv, NULL);
-
- /* Compute relative timeout. */
- sec = abstime->tv_sec - tv.tv_sec;
- nsec = abstime->tv_nsec - tv.tv_usec * 1000;
- if (nsec < 0)
- {
- nsec += 1000000000;
- --sec;
- }
-
- /* Already timed out? */
- err = -ETIMEDOUT;
- if (sec < 0)
- goto error_return;
-
- /* Do wait. */
- rt.tv_sec = sec;
- rt.tv_nsec = nsec;
-
- /* Enable asynchronous cancellation. Required by the standard. */
- int oldtype = __pthread_enable_asynccancel ();
-
- err = lll_futex_timed_wait (futex, 0, &rt);
-
- /* Disable asynchronous cancellation. */
- __pthread_disable_asynccancel (oldtype);
-
- if (err != 0 && err != -EWOULDBLOCK)
- goto error_return;
-
- if (__atomic_is_v9)
- val = atomic_decrement_if_positive (futex);
- else
- {
- __sparc32_atomic_do_lock24 (futex + 1);
- val = *futex;
- if (val > 0)
- *futex = val - 1;
- __sparc32_atomic_do_unlock24 (futex + 1);
- }
- }
- while (val <= 0);
-
- return 0;
-
- error_return:
- __set_errno (-err);
- return -1;
-}