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Update.
* sysdeps/unix/sysv/linux/s390/lowlevelsem.h: Likewise. * sysdeps/unix/sysv/linux/s390/sem_post.c: Include lowlevellock.h instead of lowlevelsem.h. * sysdeps/unix/sysv/linux/s390/sem_timedwait.c: Likewise. * sysdeps/unix/sysv/linux/s390/sem_trywait.c: Likewise. * sysdeps/unix/sysv/linux/s390/sem_wait.c: Likewise.
This commit is contained in:
Ulrich Drepper
parent
0be8ee21f0
commit
106f6f9d9d
@ -1,6 +1,12 @@
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2003-03-10 Ulrich Drepper <drepper@redhat.com>
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* sysdeps/unix/sysv/linux/i386/lowlevelsem.h: New needed anymore.
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* sysdeps/unix/sysv/linux/s390/lowlevelsem.h: Likewise.
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* sysdeps/unix/sysv/linux/s390/sem_post.c: Include lowlevellock.h
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instead of lowlevelsem.h.
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* sysdeps/unix/sysv/linux/s390/sem_timedwait.c: Likewise.
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* sysdeps/unix/sysv/linux/s390/sem_trywait.c: Likewise.
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* sysdeps/unix/sysv/linux/s390/sem_wait.c: Likewise.
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* sysdeps/unix/sysv/linux/Makefile (gen-as-const-headers): Add
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lowlevelrwlock.sym.
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@ -1,71 +0,0 @@
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/* Copyright (C) 2003 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Martin Schwidefsky <schwidefsky@de.ibm.com>, 2003.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#ifndef _LOWLEVELSEM_H
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#define _LOWLEVELSEM_H 1
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#include <dl-sysdep.h>
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#include <tls.h>
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#include <lowlevellock.h>
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#include <semaphore.h>
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static inline int
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__attribute__ ((always_inline))
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lll_sem_wait (sem_t *sem)
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{
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int oldval;
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int newval;
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while (1)
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{
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/* Atomically decrement semaphore counter if it is > 0. */
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lll_compare_and_swap ((int *) sem, oldval, newval,
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"ltr %2,%1; jnp 1f; ahi %2,-1");
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/* oldval != newval if the semaphore count has been decremented. */
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if (oldval != newval)
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return 0;
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int err = lll_futex_wait ((int *) sem, 0);
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if (err != 0 && err != -EWOULDBLOCK)
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return -err;
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}
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return 0;
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}
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#if 0
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/* Not defined anywhere. */
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extern int __lll_sem_timedwait (sem_t *sem, const struct timespec *ts)
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attribute_hidden;
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#define lll_sem_timedwait(sem, timeout) \
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__lll_sem_timedwait (sem, timeout)
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#endif
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static inline void
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__attribute__ ((always_inline))
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lll_sem_post(sem_t *sem)
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{
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int oldval;
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int newval;
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lll_compare_and_swap ((int *) sem, oldval, newval, "lr %2,%1; ahi %2,1");
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lll_futex_wake ((int *) sem, newval);
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}
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#endif /* lowlevelsem.h */
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@ -19,7 +19,7 @@
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#include <errno.h>
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#include <sysdep.h>
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#include <lowlevelsem.h>
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#include <lowlevellock.h>
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#include <internaltypes.h>
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#include <shlib-compat.h>
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@ -33,10 +33,10 @@ __new_sem_post (sem_t *sem)
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int err;
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lll_compare_and_swap ((int *) sem, oldval, newval, "lr %2,%1; ahi %2,1");
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err = lll_futex_wake(((int *) sem), newval);
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err = lll_futex_wake ((int *) sem, newval);
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if (err < 0)
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{
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__set_errno(-err);
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__set_errno (-err);
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return -1;
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}
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return 0;
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@ -19,7 +19,7 @@
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#include <errno.h>
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#include <sysdep.h>
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#include <lowlevelsem.h>
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#include <lowlevellock.h>
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#include <internaltypes.h>
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#include <shlib-compat.h>
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@ -44,13 +44,13 @@ sem_timedwait (sem, abstime)
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/* Check for invalid timeout values. */
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if (abstime->tv_nsec >= 1000000000)
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{
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__set_errno(EINVAL);
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__set_errno (EINVAL);
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return -1;
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}
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/* Get the current time. */
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struct timeval tv;
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gettimeofday(&tv, NULL);
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(void) gettimeofday (&tv, NULL);
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/* Compute the relative timeout. */
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struct timespec rt;
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@ -59,12 +59,12 @@ sem_timedwait (sem, abstime)
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if (rt.tv_nsec < 0)
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{
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rt.tv_nsec += 1000000000;
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rt.tv_sec--;
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--rt.tv_sec;
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}
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/* Already timed out. */
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if (rt.tv_sec < 0)
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{
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__set_errno(ETIMEDOUT);
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__set_errno (ETIMEDOUT);
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return -1;
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}
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@ -19,7 +19,7 @@
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#include <errno.h>
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#include <sysdep.h>
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#include <lowlevelsem.h>
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#include <lowlevellock.h>
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#include <internaltypes.h>
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#include <shlib-compat.h>
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@ -19,7 +19,7 @@
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#include <errno.h>
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#include <sysdep.h>
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#include <lowlevelsem.h>
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#include <lowlevellock.h>
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#include <internaltypes.h>
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#include <shlib-compat.h>
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