1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
/* Copyright (C) 2002-2022 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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
<https://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)
{
ASSERT_TYPE_SIZE (pthread_cond_t, __SIZEOF_PTHREAD_COND_T);
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;
}
libc_hidden_def (__pthread_cond_init)
versioned_symbol (libc, __pthread_cond_init,
pthread_cond_init, GLIBC_2_3_2);
|
