#include <common.h>

int
main(void) {
        sem_t *id;
        int retval = 0;
        int stat;

        id = sem_open(TEST_PATH, O_CREAT, 0777, 0);
        if (id == SEM_FAILED) {
                perror("sem_open");
                return 1;
        }

        if (schedule_post(id, 500) < 0) {
                sem_close(id);
                sem_unlink(TEST_PATH);
                return 1;
        }

        if (child_worker(wait_twoproc_child, NULL, &stat) < 0) {
                check_alarm(1);
                sem_close(id);
                sem_unlink(TEST_PATH);
                return 1;
        }

        errno = CSTAT_ERROR(stat);
        switch (CSTAT_CLASS(stat)) {
        case 0:
                /* Pass! */
                retval = 0;
                break;
        case 1:
                perror("child sem_open()");
                retval = 1;
                break;
        case 2:
                perror("child sem_wait()");
                retval = 1;
                break;
        case 3:
                perror("child sem_close()");
                retval = 1;
                break;
        default:
                fprintf(stderr, "bad child state %#x", stat);
                retval = 1;
                break;
        }

        check_alarm(1);
        sem_close(id);
        sem_unlink(TEST_PATH);

        return retval;
}