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Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/s390/sem_timedwait.c')
-rw-r--r--nptl/sysdeps/unix/sysv/linux/s390/sem_timedwait.c99
1 files changed, 0 insertions, 99 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/s390/sem_timedwait.c b/nptl/sysdeps/unix/sysv/linux/s390/sem_timedwait.c
deleted file mode 100644
index b1c57beff9..0000000000
--- a/nptl/sysdeps/unix/sysv/linux/s390/sem_timedwait.c
+++ /dev/null
@@ -1,99 +0,0 @@
-/* Copyright (C) 2003 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Martin Schwidefsky <schwidefsky@de.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, abstime)
- sem_t *sem;
- const struct timespec *abstime;
-{
- /* First check for cancellation. */
- CANCELLATION_P (THREAD_SELF);
-
- int *futex = (int *) sem;
- int oldval;
- int newval;
- int err;
-
- do
- {
- /* Atomically decrement semaphore counter if it is > 0. */
- lll_compare_and_swap (futex, oldval, newval,
- "ltr %2,%1; jnp 1f; ahi %2,-1");
- /* oldval != newval if the semaphore count has been decremented. */
- if (oldval != newval)
- return 0;
-
- /* Check for invalid timeout values. */
- if (abstime->tv_nsec < 0 || abstime->tv_nsec >= 1000000000)
- {
- __set_errno (EINVAL);
- return -1;
- }
-
- /* Get the current time. */
- struct timeval tv;
- (void) __gettimeofday (&tv, NULL);
-
- /* Compute the 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;
- }
- /* Already timed out. */
- if (rt.tv_sec < 0)
- {
- __set_errno (ETIMEDOUT);
- return -1;
- }
-
- /* Enable asynchronous cancellation. Required by the standard. */
- int oldtype = __pthread_enable_asynccancel ();
-
- /* Do wait. */
- err = lll_futex_timed_wait (futex, 0, &rt);
-
- /* Disable asynchronous cancellation. */
- __pthread_disable_asynccancel (oldtype);
-
- /* Returned after timing out? */
- if (err == -ETIMEDOUT)
- {
- __set_errno (ETIMEDOUT);
- return -1;
- }
- }
- while (err == 0 || err == -EWOULDBLOCK);
-
- __set_errno (-err);
- return -1;
-}