1*8dc42802SSiva Chandra Reddy //===-- Implementation of the pthread_self function -----------------------===//
2*8dc42802SSiva Chandra Reddy //
3*8dc42802SSiva Chandra Reddy // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*8dc42802SSiva Chandra Reddy // See https://llvm.org/LICENSE.txt for license information.
5*8dc42802SSiva Chandra Reddy // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6*8dc42802SSiva Chandra Reddy //
7*8dc42802SSiva Chandra Reddy //===----------------------------------------------------------------------===//
8*8dc42802SSiva Chandra Reddy 
9*8dc42802SSiva Chandra Reddy #include "pthread_self.h"
10*8dc42802SSiva Chandra Reddy 
11*8dc42802SSiva Chandra Reddy #include "src/__support/common.h"
12*8dc42802SSiva Chandra Reddy #include "src/__support/threads/thread.h"
13*8dc42802SSiva Chandra Reddy 
14*8dc42802SSiva Chandra Reddy #include <pthread.h> // For pthread_* type definitions.
15*8dc42802SSiva Chandra Reddy 
16*8dc42802SSiva Chandra Reddy namespace __llvm_libc {
17*8dc42802SSiva Chandra Reddy 
18*8dc42802SSiva Chandra Reddy static_assert(sizeof(pthread_t) == sizeof(__llvm_libc::Thread),
19*8dc42802SSiva Chandra Reddy               "Mismatch between pthread_t and internal Thread.");
20*8dc42802SSiva Chandra Reddy 
21*8dc42802SSiva Chandra Reddy LLVM_LIBC_FUNCTION(pthread_t, pthread_self, ()) {
22*8dc42802SSiva Chandra Reddy   pthread_t th;
23*8dc42802SSiva Chandra Reddy   th.__attrib = self.attrib;
24*8dc42802SSiva Chandra Reddy   return th;
25*8dc42802SSiva Chandra Reddy }
26*8dc42802SSiva Chandra Reddy 
27*8dc42802SSiva Chandra Reddy } // namespace __llvm_libc
28