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332faa9627
__lll_timedlock_wait, lll_unlock_wake_cb, __lll_timedwait_tid): Remove bogus hidden_proto. * sysdeps/unix/sysv/linux/s390/libc-lowlevellock.c (___lll_lock): Likewise. * sysdeps/unix/sysv/linux/s390/lowlevellock.c (___lll_lock, lll_unlock_wake_cb, ___lll_timedwait_tid): Likewise. * sysdeps/unix/sysv/linux/s390/lowlevelmutex.c (___lll_mutex_lock, ___lll_mutex_timedlock): Likewise. 2003-06-05 Jakub Jelinek <jakub@redhat.com> * sysdeps/unix/sysv/linux/lowlevellock.c (__lll_lock_wait, __lll_timedlock_wait, lll_unlock_wake_cb, __lll_timedwait_tid): Remove bogus hidden_proto. * sysdeps/unix/sysv/linux/s390/libc-lowlevellock.c (___lll_lock): Likewise. * sysdeps/unix/sysv/linux/s390/lowlevellock.c (___lll_lock, lll_unlock_wake_cb, ___lll_timedwait_tid): Likewise. * sysdeps/unix/sysv/linux/s390/lowlevelmutex.c (___lll_mutex_lock, ___lll_mutex_timedlock): Likewise.
42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
/* 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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#include <errno.h>
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#include <sysdep.h>
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#include <lowlevellock.h>
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#include <sys/time.h>
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void
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___lll_lock (futex, newval)
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int *futex;
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int newval;
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{
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do
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{
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int oldval;
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lll_futex_wait (futex, newval);
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lll_compare_and_swap (futex, oldval, newval, "lr %2,%1; ahi %2,-1");
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}
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while (newval != 0);
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*futex = -1;
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}
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