xref: /aosp_15_r20/external/llvm-libc/src/pthread/pthread_self.cpp (revision 71db0c75aadcf003ffe3238005f61d7618a3fead)
1*71db0c75SAndroid Build Coastguard Worker //===-- Implementation of the pthread_self function -----------------------===//
2*71db0c75SAndroid Build Coastguard Worker //
3*71db0c75SAndroid Build Coastguard Worker // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*71db0c75SAndroid Build Coastguard Worker // See https://llvm.org/LICENSE.txt for license information.
5*71db0c75SAndroid Build Coastguard Worker // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6*71db0c75SAndroid Build Coastguard Worker //
7*71db0c75SAndroid Build Coastguard Worker //===----------------------------------------------------------------------===//
8*71db0c75SAndroid Build Coastguard Worker 
9*71db0c75SAndroid Build Coastguard Worker #include "pthread_self.h"
10*71db0c75SAndroid Build Coastguard Worker 
11*71db0c75SAndroid Build Coastguard Worker #include "src/__support/common.h"
12*71db0c75SAndroid Build Coastguard Worker #include "src/__support/macros/config.h"
13*71db0c75SAndroid Build Coastguard Worker #include "src/__support/threads/thread.h"
14*71db0c75SAndroid Build Coastguard Worker 
15*71db0c75SAndroid Build Coastguard Worker #include <pthread.h> // For pthread_* type definitions.
16*71db0c75SAndroid Build Coastguard Worker 
17*71db0c75SAndroid Build Coastguard Worker namespace LIBC_NAMESPACE_DECL {
18*71db0c75SAndroid Build Coastguard Worker 
19*71db0c75SAndroid Build Coastguard Worker static_assert(sizeof(pthread_t) == sizeof(LIBC_NAMESPACE::Thread),
20*71db0c75SAndroid Build Coastguard Worker               "Mismatch between pthread_t and internal Thread.");
21*71db0c75SAndroid Build Coastguard Worker 
22*71db0c75SAndroid Build Coastguard Worker LLVM_LIBC_FUNCTION(pthread_t, pthread_self, ()) {
23*71db0c75SAndroid Build Coastguard Worker   pthread_t th;
24*71db0c75SAndroid Build Coastguard Worker   th.__attrib = self.attrib;
25*71db0c75SAndroid Build Coastguard Worker   return th;
26*71db0c75SAndroid Build Coastguard Worker }
27*71db0c75SAndroid Build Coastguard Worker 
28*71db0c75SAndroid Build Coastguard Worker } // namespace LIBC_NAMESPACE_DECL
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