libc/src/pthread/pthread_rwlockattr_setpshared.cpp

   1 //===-- Implementation of the pthread_rwlockattr_setpshared ---------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "pthread_rwlockattr_setpshared.h"
  10
  11 #include "src/__support/common.h"
  12 #include "src/__support/macros/config.h"
  13 #include "src/errno/libc_errno.h"
  14
  15 #include <pthread.h> // pthread_rwlockattr_t, PTHREAD_PROCESS_SHARED, PTHREAD_PROCESS_PRIVATE
  16
  17 namespace LIBC_NAMESPACE_DECL {
  18
  19 LLVM_LIBC_FUNCTION(int, pthread_rwlockattr_setpshared,
  20                    (pthread_rwlockattr_t * attr, int pshared)) {
  21   if (pshared != PTHREAD_PROCESS_SHARED && pshared != PTHREAD_PROCESS_PRIVATE)
  22     return EINVAL;
  23
  24   attr->pshared = pshared;
  25   return 0;
  26 }
  27
  28 } // namespace LIBC_NAMESPACE_DECL