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/*
* Copyright © 2018-2021, VideoLAN and dav1d authors
* Copyright © 2018, Two Orioles, LLC
* 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.
*
* 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 OWNER 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.
*/
#include "config.h"
#if defined(_WIN32)
#include <process.h>
#include <stdlib.h>
#include <windows.h>
#include "common/attributes.h"
#include "src/thread.h"
static HRESULT (WINAPI *set_thread_description)(HANDLE, PCWSTR);
COLD void dav1d_init_thread(void) {
#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
HANDLE kernel32 = GetModuleHandleW(L"kernel32.dll");
if (kernel32)
set_thread_description =
(void*)GetProcAddress(kernel32, "SetThreadDescription");
#endif
}
#undef dav1d_set_thread_name
COLD void dav1d_set_thread_name(const wchar_t *const name) {
if (set_thread_description) /* Only available since Windows 10 1607 */
set_thread_description(GetCurrentThread(), name);
}
static COLD unsigned __stdcall thread_entrypoint(void *const data) {
pthread_t *const t = data;
t->arg = t->func(t->arg);
return 0;
}
COLD int dav1d_pthread_create(pthread_t *const thread,
const pthread_attr_t *const attr,
void *(*const func)(void*), void *const arg)
{
const unsigned stack_size = attr ? attr->stack_size : 0;
thread->func = func;
thread->arg = arg;
thread->h = (HANDLE)_beginthreadex(NULL, stack_size, thread_entrypoint, thread,
STACK_SIZE_PARAM_IS_A_RESERVATION, NULL);
return !thread->h;
}
COLD int dav1d_pthread_join(pthread_t *const thread, void **const res) {
if (WaitForSingleObject(thread->h, INFINITE))
return 1;
if (res)
*res = thread->arg;
return !CloseHandle(thread->h);
}
COLD int dav1d_pthread_once(pthread_once_t *const once_control,
void (*const init_routine)(void))
{
BOOL pending = FALSE;
if (InitOnceBeginInitialize(once_control, 0, &pending, NULL) != TRUE)
return 1;
if (pending == TRUE)
init_routine();
return !InitOnceComplete(once_control, 0, NULL);
}
#endif
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