81 lines
2.2 KiB
C
81 lines
2.2 KiB
C
/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include "uv.h"
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#include "internal.h"
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static void uv__check(EV_P_ ev_check* w, int revents) {
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uv_check_t* check = container_of(w, uv_check_t, check_watcher);
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if (check->check_cb) {
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check->check_cb(check, 0);
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}
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}
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int uv_check_init(uv_loop_t* loop, uv_check_t* check) {
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uv__handle_init(loop, (uv_handle_t*)check, UV_CHECK);
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loop->counters.check_init++;
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ev_check_init(&check->check_watcher, uv__check);
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check->check_cb = NULL;
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return 0;
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}
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int uv_check_start(uv_check_t* check, uv_check_cb cb) {
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int was_active = ev_is_active(&check->check_watcher);
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check->check_cb = cb;
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ev_check_start(check->loop->ev, &check->check_watcher);
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if (!was_active) {
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ev_unref(check->loop->ev);
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}
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return 0;
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}
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int uv_check_stop(uv_check_t* check) {
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int was_active = ev_is_active(&check->check_watcher);
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ev_check_stop(check->loop->ev, &check->check_watcher);
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if (was_active) {
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ev_ref(check->loop->ev);
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}
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return 0;
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}
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int uv__check_active(const uv_check_t* handle) {
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return ev_is_active(&handle->check_watcher);
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}
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void uv__check_close(uv_check_t* handle) {
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uv_check_stop(handle);
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}
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