mirror of git://sourceware.org/git/glibc.git
55 lines
2.0 KiB
C
55 lines
2.0 KiB
C
/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
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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, see
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<https://www.gnu.org/licenses/>. */
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#include <shlib-compat.h>
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#include "pthreadP.h"
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#include <stap-probe.h>
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#include <string.h>
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/* See __pthread_cond_wait for details. */
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int
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__pthread_cond_init (pthread_cond_t *cond, const pthread_condattr_t *cond_attr)
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{
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ASSERT_TYPE_SIZE (pthread_cond_t, __SIZEOF_PTHREAD_COND_T);
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struct pthread_condattr *icond_attr = (struct pthread_condattr *) cond_attr;
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memset (cond, 0, sizeof (pthread_cond_t));
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/* Update the pretty printers if the internal representation of icond_attr
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is changed. */
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/* Iff not equal to ~0l, this is a PTHREAD_PROCESS_PRIVATE condvar. */
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if (icond_attr != NULL && (icond_attr->value & 1) != 0)
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cond->__data.__wrefs |= __PTHREAD_COND_SHARED_MASK;
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int clockid = (icond_attr != NULL
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? ((icond_attr->value >> 1) & ((1 << COND_CLOCK_BITS) - 1))
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: CLOCK_REALTIME);
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/* If 0, CLOCK_REALTIME is used; CLOCK_MONOTONIC otherwise. */
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if (clockid != CLOCK_REALTIME)
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cond->__data.__wrefs |= __PTHREAD_COND_CLOCK_MONOTONIC_MASK;
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LIBC_PROBE (cond_init, 2, cond, cond_attr);
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return 0;
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}
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libc_hidden_def (__pthread_cond_init)
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versioned_symbol (libc, __pthread_cond_init,
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pthread_cond_init, GLIBC_2_3_2);
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