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6d7e8eda | 1 | /* Copyright (C) 2002-2023 Free Software Foundation, Inc. |
76a50749 | 2 | This file is part of the GNU C Library. |
76a50749 UD |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or | |
5 | modify it under the terms of the GNU Lesser General Public | |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
8 | ||
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | Lesser General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 | 15 | License along with the GNU C Library; if not, see |
5a82c748 | 16 | <https://www.gnu.org/licenses/>. */ |
76a50749 | 17 | |
d5cb8389 | 18 | #include <shlib-compat.h> |
76a50749 | 19 | #include "pthreadP.h" |
5acf7263 | 20 | #include <stap-probe.h> |
ed19993b | 21 | #include <string.h> |
76a50749 UD |
22 | |
23 | ||
ed19993b | 24 | /* See __pthread_cond_wait for details. */ |
76a50749 | 25 | int |
9d46370c | 26 | __pthread_cond_init (pthread_cond_t *cond, const pthread_condattr_t *cond_attr) |
76a50749 | 27 | { |
72b3c6ee AZ |
28 | ASSERT_TYPE_SIZE (pthread_cond_t, __SIZEOF_PTHREAD_COND_T); |
29 | ||
d5cb8389 | 30 | struct pthread_condattr *icond_attr = (struct pthread_condattr *) cond_attr; |
76a50749 | 31 | |
ed19993b TR |
32 | memset (cond, 0, sizeof (pthread_cond_t)); |
33 | ||
34 | /* Update the pretty printers if the internal representation of icond_attr | |
35 | is changed. */ | |
36 | ||
37 | /* Iff not equal to ~0l, this is a PTHREAD_PROCESS_PRIVATE condvar. */ | |
38 | if (icond_attr != NULL && (icond_attr->value & 1) != 0) | |
39 | cond->__data.__wrefs |= __PTHREAD_COND_SHARED_MASK; | |
40 | int clockid = (icond_attr != NULL | |
41 | ? ((icond_attr->value >> 1) & ((1 << COND_CLOCK_BITS) - 1)) | |
42 | : CLOCK_REALTIME); | |
43 | /* If 0, CLOCK_REALTIME is used; CLOCK_MONOTONIC otherwise. */ | |
44 | if (clockid != CLOCK_REALTIME) | |
45 | cond->__data.__wrefs |= __PTHREAD_COND_CLOCK_MONOTONIC_MASK; | |
76a50749 | 46 | |
5acf7263 RM |
47 | LIBC_PROBE (cond_init, 2, cond, cond_attr); |
48 | ||
76a50749 UD |
49 | return 0; |
50 | } | |
ad96df2c FW |
51 | libc_hidden_def (__pthread_cond_init) |
52 | versioned_symbol (libc, __pthread_cond_init, | |
bf293afe | 53 | pthread_cond_init, GLIBC_2_3_2); |