1*8dc42802SSiva Chandra Reddy //===-- Implementation of the pthread_equal 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_equal.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(int, pthread_equal, (pthread_t lhs, pthread_t rhs)) { 22*8dc42802SSiva Chandra Reddy auto *lhs_internal = reinterpret_cast<Thread *>(&lhs); 23*8dc42802SSiva Chandra Reddy auto *rhs_internal = reinterpret_cast<Thread *>(&rhs); 24*8dc42802SSiva Chandra Reddy return *lhs_internal == *rhs_internal; 25*8dc42802SSiva Chandra Reddy } 26*8dc42802SSiva Chandra Reddy 27*8dc42802SSiva Chandra Reddy } // namespace __llvm_libc 28