diff options
Diffstat (limited to 'grpc/third_party/xxhash/tests/collisions/threading.c')
-rw-r--r-- | grpc/third_party/xxhash/tests/collisions/threading.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/grpc/third_party/xxhash/tests/collisions/threading.c b/grpc/third_party/xxhash/tests/collisions/threading.c new file mode 100644 index 00000000..51646671 --- /dev/null +++ b/grpc/third_party/xxhash/tests/collisions/threading.c @@ -0,0 +1,82 @@ +/** + * Copyright (c) 2016 Tino Reichardt + * All rights reserved. + * + * This source code is licensed under both the BSD-style license (found in the + * LICENSE file in the root directory of this source tree) and the GPLv2 (found + * in the COPYING file in the root directory of this source tree). + * + * You can contact the author at: + * - zstdmt source repository: https://github.com/mcmilk/zstdmt + */ + +/** + * This file will hold wrapper for systems, which do not support pthreads + */ + + + /* === Build Macro === */ + + #ifndef POOL_MT // can be defined on command line + # define POOL_MT 1 + #endif + + +/* create fake symbol to avoid empty translation unit warning */ +int g_ZSTD_threading_useles_symbol; + +#if POOL_MT && defined(_WIN32) + +/** + * Windows minimalist Pthread Wrapper + */ + + +/* === Dependencies === */ +#include <process.h> +#include <errno.h> +#include "threading.h" + + +/* === Implementation === */ + +static unsigned __stdcall worker(void *arg) +{ + ZSTD_pthread_t* const thread = (ZSTD_pthread_t*) arg; + thread->arg = thread->start_routine(thread->arg); + return 0; +} + +int ZSTD_pthread_create(ZSTD_pthread_t* thread, const void* unused, + void* (*start_routine) (void*), void* arg) +{ + (void)unused; + thread->arg = arg; + thread->start_routine = start_routine; + thread->handle = (HANDLE) _beginthreadex(NULL, 0, worker, thread, 0, NULL); + + if (!thread->handle) + return errno; + else + return 0; +} + +int ZSTD_pthread_join(ZSTD_pthread_t thread, void **value_ptr) +{ + DWORD result; + + if (!thread.handle) return 0; + + result = WaitForSingleObject(thread.handle, INFINITE); + switch (result) { + case WAIT_OBJECT_0: + if (value_ptr) *value_ptr = thread.arg; + return 0; + case WAIT_ABANDONED: + return EINVAL; + default: + return (int)GetLastError(); + } +} + +#endif /* POOL_MT */ |