mirror of
https://github.com/troglobit/libuev.git
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79 lines
1.9 KiB
C
79 lines
1.9 KiB
C
/* Verifies eventfd support
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*
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* Copyright (c) 2018-2024 Joachim Wiberg <troglobit@gmail.com>
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*
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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 deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* 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 FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "check.h"
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#include <err.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <sys/wait.h>
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#define LAPS 10
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pid_t pid;
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static void cb(uev_t *w, void *arg, int events)
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{
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static int num = LAPS;
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num--;
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// printf("Got event %d ...\n", LAPS - num);
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if (num == 0) {
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waitpid(pid, NULL, 0);
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uev_exit(w->ctx);
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}
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}
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int main(void)
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{
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uev_ctx_t ctx;
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uev_t ev;
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int i;
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/* Initialize libuEv */
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uev_init(&ctx);
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/* Setup callbacks */
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uev_event_init(&ctx, &ev, cb, NULL);
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pid = fork();
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if (-1 == pid)
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err(1, "fork");
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/* Start event loop */
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if (pid > 0)
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return uev_run(&ctx, 0);
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for (i = 0; i < LAPS; i++) {
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uev_event_post(&ev);
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usleep(10000);
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}
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return 0;
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}
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/**
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* Local Variables:
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* indent-tabs-mode: t
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* c-file-style: "linux"
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* End:
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*/
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