// Copyright (c) 2019-2022, The Monero Project // // All rights reserved. // // Redistribution and use in source and binary forms, with or without modification, are // permitted provided that the following conditions are met: // // 1. Redistributions of source code must retain the above copyright notice, this list of // conditions and the following disclaimer. // // 2. Redistributions in binary form must reproduce the above copyright notice, this list // of conditions and the following disclaimer in the documentation and/or other // materials provided with the distribution. // // 3. Neither the name of the copyright holder nor the names of its contributors may be // used to endorse or promote products derived from this software without specific // prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL // THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, // STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF // THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. /* Brain-dead simple portability wrapper over thread APIs for C */ #pragma once #ifdef _WIN32 #include #define CTHR_RWLOCK_TYPE SRWLOCK #define CTHR_RWLOCK_INIT SRWLOCK_INIT #define CTHR_RWLOCK_LOCK_WRITE(x) AcquireSRWLockExclusive(&x) #define CTHR_RWLOCK_UNLOCK_WRITE(x) ReleaseSRWLockExclusive(&x) #define CTHR_RWLOCK_LOCK_READ(x) AcquireSRWLockShared(&x) #define CTHR_RWLOCK_UNLOCK_READ(x) ReleaseSRWLockShared(&x) #define CTHR_RWLOCK_TRYLOCK_READ(x) TryAcquireSRWLockShared(&x) #define CTHR_THREAD_TYPE HANDLE #define CTHR_THREAD_RTYPE void #define CTHR_THREAD_RETURN return #define CTHR_THREAD_CREATE(thr, func, arg) ((thr = (HANDLE)_beginthread(func, 0, arg)) != -1L) #define CTHR_THREAD_JOIN(thr) WaitForSingleObject((HANDLE)thr, INFINITE) #else #include #define CTHR_RWLOCK_TYPE pthread_rwlock_t #define CTHR_RWLOCK_INIT PTHREAD_RWLOCK_INITIALIZER #define CTHR_RWLOCK_LOCK_WRITE(x) pthread_rwlock_wrlock(&x) #define CTHR_RWLOCK_UNLOCK_WRITE(x) pthread_rwlock_unlock(&x) #define CTHR_RWLOCK_LOCK_READ(x) pthread_rwlock_rdlock(&x) #define CTHR_RWLOCK_UNLOCK_READ(x) pthread_rwlock_unlock(&x) #define CTHR_RWLOCK_TRYLOCK_READ(x) (pthread_rwlock_tryrdlock(&x) == 0) #define CTHR_THREAD_TYPE pthread_t #define CTHR_THREAD_RTYPE void * #define CTHR_THREAD_RETURN return NULL #define CTHR_THREAD_CREATE(thr, func, arg) (pthread_create(&thr, NULL, func, arg) == 0) #define CTHR_THREAD_JOIN(thr) pthread_join(thr, NULL) #endif