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uv__async.h
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/* Copyright 2015 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#ifndef __uv__async_header__
#define __uv__async_header__
#ifndef __uv_header__
#error Please include with uv.h
#endif
#ifdef __cplusplus
extern "C" {
#endif
//-----------------------------------------------------------------------------
#define ACCESS_ONCE(type, var) \
(*(volatile type*) &(var))
//-----------------------------------------------------------------------------
struct uv_async_s {
UV_HANDLE_FIELDS
UV_ASYNC_PRIVATE_FIELDS
};
int uv_async_init(uv_loop_t*, uv_async_t* async, uv_async_cb async_cb);
int uv_async_send(uv_async_t* async);
int uv_async_deinit(uv_loop_t* loop, uv_async_t* handle);
//-----------------------------------------------------------------------------
struct uv__io_s {
uv__io_cb cb;
void* pending_queue[2];
void* watcher_queue[2];
unsigned int pevents; /* Pending event mask i.e. mask at next tick. */
unsigned int events; /* Current event mask. */
int fd;
UV_IO_PRIVATE_PLATFORM_FIELDS
};
struct uv__async {
uv__async_cb cb;
uv__io_t io_watcher;
int wfd;
};
void uv__async_send(struct uv__async* wa);
void uv__async_init(struct uv__async* wa);
int uv__async_start(uv_loop_t* loop, struct uv__async* wa, uv__async_cb cb);
void uv__async_stop(uv_loop_t* loop, struct uv__async* wa);
#if defined(__TUV_RAW__)
void uv__async_check(uv_loop_t* loop);
#endif
void uv__async_close(uv_async_t* handle);
int uv__async_make_pending(int* pending);
void uv__io_init(uv__io_t* w, uv__io_cb cb, int fd);
void uv__io_start(uv_loop_t* loop, uv__io_t* w, unsigned int events);
void uv__io_stop(uv_loop_t* loop, uv__io_t* w, unsigned int events);
void uv__io_close(uv_loop_t* loop, uv__io_t* w);
void uv__io_feed(uv_loop_t* loop, uv__io_t* w);
int uv__io_active(const uv__io_t* w, unsigned int events);
void uv__io_poll(uv_loop_t* loop, int timeout); /* in milliseconds or -1 */
//-----------------------------------------------------------------------------
#ifdef __cplusplus
}
#endif
#endif // __uv__async_header__