12f4f452fSSiva Chandra Reddy //===-- Linux implementation of the cnd_wait function ---------------------===// 22f4f452fSSiva Chandra Reddy // 32f4f452fSSiva Chandra Reddy // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 42f4f452fSSiva Chandra Reddy // See https://llvm.org/LICENSE.txt for license information. 52f4f452fSSiva Chandra Reddy // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 62f4f452fSSiva Chandra Reddy // 72f4f452fSSiva Chandra Reddy //===----------------------------------------------------------------------===// 82f4f452fSSiva Chandra Reddy 9a5ee8183SSiva Chandra Reddy #include "src/threads/cnd_wait.h" 105442e15aSNick Desaulniers (paternity leave) #include "src/__support/common.h" 11*5ff3ff33SPetr Hosek #include "src/__support/macros/config.h" 125442e15aSNick Desaulniers (paternity leave) #include "src/__support/threads/CndVar.h" 135442e15aSNick Desaulniers (paternity leave) #include "src/__support/threads/mutex.h" 145442e15aSNick Desaulniers (paternity leave) 155442e15aSNick Desaulniers (paternity leave) #include <threads.h> // cnd_t, mtx_t, thrd_error, thrd_success 162f4f452fSSiva Chandra Reddy 17*5ff3ff33SPetr Hosek namespace LIBC_NAMESPACE_DECL { 182f4f452fSSiva Chandra Reddy 195442e15aSNick Desaulniers (paternity leave) static_assert(sizeof(CndVar) == sizeof(cnd_t)); 205442e15aSNick Desaulniers (paternity leave) 218379fc4aSSiva Chandra Reddy LLVM_LIBC_FUNCTION(int, cnd_wait, (cnd_t * cond, mtx_t *mtx)) { 228379fc4aSSiva Chandra Reddy CndVar *cndvar = reinterpret_cast<CndVar *>(cond); 238379fc4aSSiva Chandra Reddy Mutex *mutex = reinterpret_cast<Mutex *>(mtx); 245442e15aSNick Desaulniers (paternity leave) return cndvar->wait(mutex) ? thrd_error : thrd_success; 252f4f452fSSiva Chandra Reddy } 262f4f452fSSiva Chandra Reddy 27*5ff3ff33SPetr Hosek } // namespace LIBC_NAMESPACE_DECL 28