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fix-tests
libc/src/pthread/pthread_mutexattr_setpshared.cpp
29 строк
978 B
Siva Chandra Reddy
[libc] Add pthread_mutexattr_t type and its setters and getters.
04 апр 2022, 21:11
04 апр 2022, 21:11
83f153c
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//===-- Implementation of the pthread_mutexattr_setpshared ----------------===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// #include "pthread_mutexattr_setpshared.h" #include "pthread_mutexattr.h" #include "src/__support/common.h" #include <errno.h> #include <pthread.h> namespace __llvm_libc { LLVM_LIBC_FUNCTION(int, pthread_mutexattr_setpshared, (pthread_mutexattr_t *__restrict attr, int pshared)) { if (pshared != PTHREAD_PROCESS_PRIVATE && pshared != PTHREAD_PROCESS_SHARED) return EINVAL; pthread_mutexattr_t old = *attr; old &= ~unsigned(PThreadMutexAttrPos::PSHARED_MASK); *attr = old | (pshared << unsigned(PThreadMutexAttrPos::PSHARED_SHIFT)); return 0; } } // namespace __llvm_libc