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/* Verifies eventfd support
*
* Copyright (c) 2018-2024 Joachim Wiberg <troglobit@gmail.com>
*
* 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.
*/
#include "check.h"
#include <err.h>
#include <stdio.h>
#include <unistd.h>
#include <sys/wait.h>
#define LAPS 10
pid_t pid;
static void cb(uev_t *w, void *arg, int events)
{
static int num = LAPS;
num--;
// printf("Got event %d ...\n", LAPS - num);
if (num == 0) {
waitpid(pid, NULL, 0);
uev_exit(w->ctx);
}
}
int main(void)
{
uev_ctx_t ctx;
uev_t ev;
int i;
/* Initialize libuEv */
uev_init(&ctx);
/* Setup callbacks */
uev_event_init(&ctx, &ev, cb, NULL);
pid = fork();
if (-1 == pid)
err(1, "fork");
/* Start event loop */
if (pid > 0)
return uev_run(&ctx, 0);
for (i = 0; i < LAPS; i++) {
uev_event_post(&ev);
usleep(10000);
}
return 0;
}
/**
* Local Variables:
* indent-tabs-mode: t
* c-file-style: "linux"
* End:
*/
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