54 lines
1.1 KiB
C
54 lines
1.1 KiB
C
/*
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* SPDX-License-Identifier: MIT
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*/
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#include <sys/types.h>
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#include <time.h>
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#include <stdbool.h>
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#include <unistd.h>
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#include <pthread.h>
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#include <stdlib.h>
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#include <evl/thread.h>
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#include <evl/clock.h>
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#include <evl/sem.h>
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#include "helpers.h"
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struct test_context {
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struct evl_sem sem;
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};
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static void *sem_contend(void *arg)
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{
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struct test_context *p = arg;
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struct timespec now, timeout;
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int ret, tfd;
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__Tcall_assert(tfd, evl_attach_self("sem-wait-contend:%d", getpid()));
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__Tcall_assert(ret, evl_read_clock(EVL_CLOCK_MONOTONIC, &now));
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timespec_add_ns(&timeout, &now, 10000000); /* 10ms */
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__Fcall_assert(ret, evl_timedget_sem(&p->sem, &timeout));
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__Texpr_assert(ret == -ETIMEDOUT);
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return NULL;
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}
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int main(int argc, char *argv[])
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{
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struct test_context c;
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pthread_t contender;
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int tfd, sfd;
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char *name;
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__Tcall_assert(tfd, evl_attach_self("sem-close-unblock:%d", getpid()));
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name = get_unique_name(EVL_MONITOR_DEV, 0);
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__Tcall_assert(sfd, evl_new_sem(&c.sem, name));
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new_thread(&contender, SCHED_FIFO, 1, sem_contend, &c);
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pthread_join(contender, NULL);
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evl_close_sem(&c.sem);
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return 0;
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}
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