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//===-- Implementation of the pthread_rwlockattr_setkind_np ---------------===//
//
// 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_rwlockattr_setkind_np.h"
#include "src/__support/common.h"
#include "src/__support/libc_errno.h"
#include "src/__support/macros/config.h"
#include <pthread.h> // pthread_rwlockattr_t
namespace LIBC_NAMESPACE_DECL {
LLVM_LIBC_FUNCTION(int, pthread_rwlockattr_setkind_np,
(pthread_rwlockattr_t * attr, int pref)) {
if (pref != PTHREAD_RWLOCK_PREFER_READER_NP &&
pref != PTHREAD_RWLOCK_PREFER_WRITER_NP &&
pref != PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP)
return EINVAL;
attr->pref = pref;
return 0;
}
} // namespace LIBC_NAMESPACE_DECL
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