mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-23 11:20:07 +00:00
52 lines
1.9 KiB
C
52 lines
1.9 KiB
C
/* Copyright (C) 2002-2017 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
|
|
|
|
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, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <shlib-compat.h>
|
|
#include "pthreadP.h"
|
|
#include <stap-probe.h>
|
|
#include <string.h>
|
|
|
|
|
|
/* See __pthread_cond_wait for details. */
|
|
int
|
|
__pthread_cond_init (pthread_cond_t *cond, const pthread_condattr_t *cond_attr)
|
|
{
|
|
struct pthread_condattr *icond_attr = (struct pthread_condattr *) cond_attr;
|
|
|
|
memset (cond, 0, sizeof (pthread_cond_t));
|
|
|
|
/* Update the pretty printers if the internal representation of icond_attr
|
|
is changed. */
|
|
|
|
/* Iff not equal to ~0l, this is a PTHREAD_PROCESS_PRIVATE condvar. */
|
|
if (icond_attr != NULL && (icond_attr->value & 1) != 0)
|
|
cond->__data.__wrefs |= __PTHREAD_COND_SHARED_MASK;
|
|
int clockid = (icond_attr != NULL
|
|
? ((icond_attr->value >> 1) & ((1 << COND_CLOCK_BITS) - 1))
|
|
: CLOCK_REALTIME);
|
|
/* If 0, CLOCK_REALTIME is used; CLOCK_MONOTONIC otherwise. */
|
|
if (clockid != CLOCK_REALTIME)
|
|
cond->__data.__wrefs |= __PTHREAD_COND_CLOCK_MONOTONIC_MASK;
|
|
|
|
LIBC_PROBE (cond_init, 2, cond, cond_attr);
|
|
|
|
return 0;
|
|
}
|
|
versioned_symbol (libpthread, __pthread_cond_init,
|
|
pthread_cond_init, GLIBC_2_3_2);
|