| 1 | /* Copyright (C) 2002-2022 Free Software Foundation, Inc. |
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| 2 | This file is part of the GNU C Library. |
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| 3 | |
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| 4 | The GNU C Library is free software; you can redistribute it and/or |
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| 5 | modify it under the terms of the GNU Lesser General Public |
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| 6 | License as published by the Free Software Foundation; either |
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| 7 | version 2.1 of the License, or (at your option) any later version. |
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| 8 | |
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| 9 | The GNU C Library is distributed in the hope that it will be useful, |
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 12 | Lesser General Public License for more details. |
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| 13 | |
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| 14 | You should have received a copy of the GNU Lesser General Public |
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| 15 | License along with the GNU C Library; if not, see |
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| 16 | <https://www.gnu.org/licenses/>. */ |
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| 17 | |
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| 18 | #include <string.h> |
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| 19 | #include <pthreadP.h> |
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| 20 | #include <shlib-compat.h> |
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| 21 | |
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| 22 | int |
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| 23 | ___pthread_mutexattr_init (pthread_mutexattr_t *attr) |
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| 24 | { |
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| 25 | ASSERT_TYPE_SIZE (pthread_mutexattr_t, __SIZEOF_PTHREAD_MUTEXATTR_T); |
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| 26 | ASSERT_PTHREAD_INTERNAL_SIZE (pthread_mutexattr_t, |
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| 27 | struct pthread_mutexattr); |
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| 28 | |
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| 29 | if (sizeof (struct pthread_mutexattr) != sizeof (pthread_mutexattr_t)) |
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| 30 | memset (attr, '\0', sizeof (*attr)); |
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| 31 | |
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| 32 | /* We use bit 31 to signal whether the mutex is going to be |
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| 33 | process-shared or not. By default it is zero, i.e., the mutex is |
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| 34 | not process-shared. */ |
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| 35 | ((struct pthread_mutexattr *) attr)->mutexkind = PTHREAD_MUTEX_NORMAL; |
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| 36 | |
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| 37 | return 0; |
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| 38 | } |
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| 39 | versioned_symbol (libc, ___pthread_mutexattr_init, |
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| 40 | pthread_mutexattr_init, GLIBC_2_34); |
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| 41 | libc_hidden_ver (___pthread_mutexattr_init, __pthread_mutexattr_init) |
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| 42 | #ifndef SHARED |
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| 43 | strong_alias (___pthread_mutexattr_init, __pthread_mutexattr_init) |
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| 44 | #endif |
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| 45 | |
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| 46 | #if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_0, GLIBC_2_34) |
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| 47 | compat_symbol (libpthread, ___pthread_mutexattr_init, |
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| 48 | pthread_mutexattr_init, GLIBC_2_0); |
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| 49 | compat_symbol (libpthread, ___pthread_mutexattr_init, |
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| 50 | __pthread_mutexattr_init, GLIBC_2_0); |
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| 51 | #endif |
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| 52 | |
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