| 1 | //===-- Implementation of the pthread_rwlockattr_setkind_np ---------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #include "pthread_rwlockattr_setkind_np.h" |
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| 10 | |
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| 11 | #include "src/__support/common.h" |
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| 12 | #include "src/__support/libc_errno.h" |
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| 13 | #include "src/__support/macros/config.h" |
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| 14 | |
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| 15 | #include <pthread.h> // pthread_rwlockattr_t |
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| 16 | |
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| 17 | namespace LIBC_NAMESPACE_DECL { |
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| 18 | |
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| 19 | LLVM_LIBC_FUNCTION(int, pthread_rwlockattr_setkind_np, |
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| 20 | (pthread_rwlockattr_t * attr, int pref)) { |
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| 21 | |
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| 22 | if (pref != PTHREAD_RWLOCK_PREFER_READER_NP && |
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| 23 | pref != PTHREAD_RWLOCK_PREFER_WRITER_NP && |
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| 24 | pref != PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP) |
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| 25 | return EINVAL; |
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| 26 | |
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| 27 | attr->pref = pref; |
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| 28 | return 0; |
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| 29 | } |
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| 30 | |
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| 31 | } // namespace LIBC_NAMESPACE_DECL |
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| 32 | |
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