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Diffstat (limited to '')
| -rw-r--r-- | src/crypto/c_threads.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/src/crypto/c_threads.h b/src/crypto/c_threads.h new file mode 100644 index 000000000..56d680ff8 --- /dev/null +++ b/src/crypto/c_threads.h @@ -0,0 +1,58 @@ +// Copyright (c) 2019, 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 <windows.h> +#define CTHR_MUTEX_TYPE HANDLE +#define CTHR_MUTEX_INIT NULL +#define CTHR_MUTEX_LOCK(x) do { if (x == NULL) { \ + HANDLE p = CreateMutex(NULL, FALSE, NULL); \ + if (InterlockedCompareExchangePointer((PVOID*)&x, (PVOID)p, NULL) != NULL) \ + CloseHandle(p); \ + } WaitForSingleObject(x, INFINITE); } while(0) +#define CTHR_MUTEX_UNLOCK(x) ReleaseMutex(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) +#define CTHR_THREAD_JOIN(thr) WaitForSingleObject(thr, INFINITE) +#else +#include <pthread.h> +#define CTHR_MUTEX_TYPE pthread_mutex_t +#define CTHR_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER +#define CTHR_MUTEX_LOCK(x) pthread_mutex_lock(&x) +#define CTHR_MUTEX_UNLOCK(x) pthread_mutex_unlock(&x) +#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) +#define CTHR_THREAD_JOIN(thr) pthread_join(thr, NULL) +#endif |