| 1 | //===-- Implementation for Rwlock's destroy function ----------------------===// |
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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 "src/pthread/pthread_rwlock_destroy.h" |
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| 10 | |
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| 11 | #include "src/__support/common.h" |
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| 12 | #include "src/__support/macros/config.h" |
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| 13 | #include "src/__support/threads/linux/rwlock.h" |
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| 14 | |
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| 15 | #include <pthread.h> |
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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_rwlock_destroy, (pthread_rwlock_t * rwlock)) { |
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| 20 | if (!rwlock) |
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| 21 | return EINVAL; |
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| 22 | auto *rw = reinterpret_cast<RwLock *>(rwlock); |
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| 23 | RwLock::LockResult res = rw->check_for_destroy(); |
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| 24 | |
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| 25 | // this is currently no-op, but we still call the destructor as a symmetry |
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| 26 | // to its constructor call; |
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| 27 | if (res == RwLock::LockResult::Success) |
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| 28 | rw->~RwLock(); |
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| 29 | |
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| 30 | return static_cast<int>(res); |
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| 31 | } |
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| 32 | |
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| 33 | } // namespace LIBC_NAMESPACE_DECL |
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| 34 | |
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