[thirdparty/systemd.git] / src / libsystemd / sd-event / test-event.c

/***
  This file is part of systemd.

  Copyright 2013 Lennart Poettering

  systemd is free software; you can redistribute it and/or modify it
  under the terms of the GNU Lesser General Public License as published by
  the Free Software Foundation; either version 2.1 of the License, or
  (at your option) any later version.

  systemd is distributed in the hope that it will be useful, but
  WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public License
  along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/

#include <sys/wait.h>

#include "sd-event.h"

#include "fd-util.h"
#include "log.h"
#include "macro.h"
#include "signal-util.h"
#include "util.h"

static int prepare_handler(sd_event_source *s, void *userdata) {
        log_info("preparing %c", PTR_TO_INT(userdata));
        return 1;
}

static bool got_a, got_b, got_c, got_unref;
static unsigned got_d;

static int unref_handler(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
        sd_event_source_unref(s);
        got_unref = true;
        return 0;
}

static int io_handler(sd_event_source *s, int fd, uint32_t revents, void *userdata) {

        log_info("got IO on %c", PTR_TO_INT(userdata));

        if (userdata == INT_TO_PTR('a')) {
                assert_se(sd_event_source_set_enabled(s, SD_EVENT_OFF) >= 0);
                assert_se(!got_a);
                got_a = true;
        } else if (userdata == INT_TO_PTR('b')) {
                assert_se(!got_b);
                got_b = true;
        } else if (userdata == INT_TO_PTR('d')) {
                got_d++;
                if (got_d < 2)
                        assert_se(sd_event_source_set_enabled(s, SD_EVENT_ONESHOT) >= 0);
                else
                        assert_se(sd_event_source_set_enabled(s, SD_EVENT_OFF) >= 0);
        } else
                assert_not_reached("Yuck!");

        return 1;
}

static int child_handler(sd_event_source *s, const siginfo_t *si, void *userdata) {

        assert_se(s);
        assert_se(si);

        log_info("got child on %c", PTR_TO_INT(userdata));

        assert_se(userdata == INT_TO_PTR('f'));

        assert_se(sd_event_exit(sd_event_source_get_event(s), 0) >= 0);
        sd_event_source_unref(s);

        return 1;
}

static int signal_handler(sd_event_source *s, const struct signalfd_siginfo *si, void *userdata) {
        sd_event_source *p = NULL;
        pid_t pid;

        assert_se(s);
        assert_se(si);

        log_info("got signal on %c", PTR_TO_INT(userdata));

        assert_se(userdata == INT_TO_PTR('e'));

        assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGCHLD, -1) >= 0);

        pid = fork();
        assert_se(pid >= 0);

        if (pid == 0)
                _exit(0);

        assert_se(sd_event_add_child(sd_event_source_get_event(s), &p, pid, WEXITED, child_handler, INT_TO_PTR('f')) >= 0);
        assert_se(sd_event_source_set_enabled(p, SD_EVENT_ONESHOT) >= 0);

        sd_event_source_unref(s);

        return 1;
}

static int defer_handler(sd_event_source *s, void *userdata) {
        sd_event_source *p = NULL;

        assert_se(s);

        log_info("got defer on %c", PTR_TO_INT(userdata));

        assert_se(userdata == INT_TO_PTR('d'));

        assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGUSR1, -1) >= 0);

        assert_se(sd_event_add_signal(sd_event_source_get_event(s), &p, SIGUSR1, signal_handler, INT_TO_PTR('e')) >= 0);
        assert_se(sd_event_source_set_enabled(p, SD_EVENT_ONESHOT) >= 0);
        raise(SIGUSR1);

        sd_event_source_unref(s);

        return 1;
}

static bool do_quit = false;

static int time_handler(sd_event_source *s, uint64_t usec, void *userdata) {
        log_info("got timer on %c", PTR_TO_INT(userdata));

        if (userdata == INT_TO_PTR('c')) {

                if (do_quit) {
                        sd_event_source *p;

                        assert_se(sd_event_add_defer(sd_event_source_get_event(s), &p, defer_handler, INT_TO_PTR('d')) >= 0);
                        assert_se(sd_event_source_set_enabled(p, SD_EVENT_ONESHOT) >= 0);
                } else {
                        assert_se(!got_c);
                        got_c = true;
                }
        } else
                assert_not_reached("Huh?");

        return 2;
}

static bool got_exit = false;

static int exit_handler(sd_event_source *s, void *userdata) {
        log_info("got quit handler on %c", PTR_TO_INT(userdata));

        got_exit = true;

        return 3;
}

static bool got_post = false;

static int post_handler(sd_event_source *s, void *userdata) {
        log_info("got post handler");

        got_post = true;

        return 2;
}

static void test_basic(void) {
        sd_event *e = NULL;
        sd_event_source *w = NULL, *x = NULL, *y = NULL, *z = NULL, *q = NULL, *t = NULL;
        static const char ch = 'x';
        int a[2] = { -1, -1 }, b[2] = { -1, -1}, d[2] = { -1, -1}, k[2] = { -1, -1 };
        uint64_t event_now;
        int64_t priority;

        assert_se(pipe(a) >= 0);
        assert_se(pipe(b) >= 0);
        assert_se(pipe(d) >= 0);
        assert_se(pipe(k) >= 0);

        assert_se(sd_event_default(&e) >= 0);
        assert_se(sd_event_now(e, CLOCK_MONOTONIC, &event_now) > 0);

        assert_se(sd_event_set_watchdog(e, true) >= 0);

        /* Test whether we cleanly can destroy an io event source from its own handler */
        got_unref = false;
        assert_se(sd_event_add_io(e, &t, k[0], EPOLLIN, unref_handler, NULL) >= 0);
        assert_se(write(k[1], &ch, 1) == 1);
        assert_se(sd_event_run(e, (uint64_t) -1) >= 1);
        assert_se(got_unref);

        got_a = false, got_b = false, got_c = false, got_d = 0;

        /* Add a oneshot handler, trigger it, re-enable it, and trigger
         * it again. */
        assert_se(sd_event_add_io(e, &w, d[0], EPOLLIN, io_handler, INT_TO_PTR('d')) >= 0);
        assert_se(sd_event_source_set_enabled(w, SD_EVENT_ONESHOT) >= 0);
        assert_se(write(d[1], &ch, 1) >= 0);
        assert_se(sd_event_run(e, (uint64_t) -1) >= 1);
        assert_se(got_d == 1);
        assert_se(write(d[1], &ch, 1) >= 0);
        assert_se(sd_event_run(e, (uint64_t) -1) >= 1);
        assert_se(got_d == 2);

        assert_se(sd_event_add_io(e, &x, a[0], EPOLLIN, io_handler, INT_TO_PTR('a')) >= 0);
        assert_se(sd_event_add_io(e, &y, b[0], EPOLLIN, io_handler, INT_TO_PTR('b')) >= 0);
        assert_se(sd_event_add_time(e, &z, CLOCK_MONOTONIC, 0, 0, time_handler, INT_TO_PTR('c')) >= 0);
        assert_se(sd_event_add_exit(e, &q, exit_handler, INT_TO_PTR('g')) >= 0);

        assert_se(sd_event_source_set_priority(x, 99) >= 0);
        assert_se(sd_event_source_get_priority(x, &priority) >= 0);
        assert_se(priority == 99);
        assert_se(sd_event_source_set_enabled(y, SD_EVENT_ONESHOT) >= 0);
        assert_se(sd_event_source_set_prepare(x, prepare_handler) >= 0);
        assert_se(sd_event_source_set_priority(z, 50) >= 0);
        assert_se(sd_event_source_set_enabled(z, SD_EVENT_ONESHOT) >= 0);
        assert_se(sd_event_source_set_prepare(z, prepare_handler) >= 0);

        /* Test for floating event sources */
        assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGRTMIN+1, -1) >= 0);
        assert_se(sd_event_add_signal(e, NULL, SIGRTMIN+1, NULL, NULL) >= 0);

        assert_se(write(a[1], &ch, 1) >= 0);
        assert_se(write(b[1], &ch, 1) >= 0);

        assert_se(!got_a && !got_b && !got_c);

        assert_se(sd_event_run(e, (uint64_t) -1) >= 1);

        assert_se(!got_a && got_b && !got_c);

        assert_se(sd_event_run(e, (uint64_t) -1) >= 1);

        assert_se(!got_a && got_b && got_c);

        assert_se(sd_event_run(e, (uint64_t) -1) >= 1);

        assert_se(got_a && got_b && got_c);

        sd_event_source_unref(x);
        sd_event_source_unref(y);

        do_quit = true;
        assert_se(sd_event_add_post(e, NULL, post_handler, NULL) >= 0);
        assert_se(sd_event_now(e, CLOCK_MONOTONIC, &event_now) == 0);
        assert_se(sd_event_source_set_time(z, event_now + 200 * USEC_PER_MSEC) >= 0);
        assert_se(sd_event_source_set_enabled(z, SD_EVENT_ONESHOT) >= 0);

        assert_se(sd_event_loop(e) >= 0);
        assert_se(got_post);
        assert_se(got_exit);

        sd_event_source_unref(z);
        sd_event_source_unref(q);

        sd_event_source_unref(w);

        sd_event_unref(e);

        safe_close_pair(a);
        safe_close_pair(b);
        safe_close_pair(d);
        safe_close_pair(k);
}

static void test_sd_event_now(void) {
        _cleanup_(sd_event_unrefp) sd_event *e = NULL;
        uint64_t event_now;

        assert_se(sd_event_new(&e) >= 0);
        assert_se(sd_event_now(e, CLOCK_MONOTONIC, &event_now) > 0);
        assert_se(sd_event_now(e, CLOCK_REALTIME, &event_now) > 0);
        assert_se(sd_event_now(e, CLOCK_REALTIME_ALARM, &event_now) > 0);
        if (clock_boottime_supported()) {
                assert_se(sd_event_now(e, CLOCK_BOOTTIME, &event_now) > 0);
                assert_se(sd_event_now(e, CLOCK_BOOTTIME_ALARM, &event_now) > 0);
        }
        assert_se(sd_event_now(e, -1, &event_now) == -EOPNOTSUPP);
        assert_se(sd_event_now(e, 900 /* arbitrary big number */, &event_now) == -EOPNOTSUPP);

        assert_se(sd_event_run(e, 0) == 0);

        assert_se(sd_event_now(e, CLOCK_MONOTONIC, &event_now) == 0);
        assert_se(sd_event_now(e, CLOCK_REALTIME, &event_now) == 0);
        assert_se(sd_event_now(e, CLOCK_REALTIME_ALARM, &event_now) == 0);
        if (clock_boottime_supported()) {
                assert_se(sd_event_now(e, CLOCK_BOOTTIME, &event_now) == 0);
                assert_se(sd_event_now(e, CLOCK_BOOTTIME_ALARM, &event_now) == 0);
        }
        assert_se(sd_event_now(e, -1, &event_now) == -EOPNOTSUPP);
        assert_se(sd_event_now(e, 900 /* arbitrary big number */, &event_now) == -EOPNOTSUPP);
}

static int last_rtqueue_sigval = 0;
static int n_rtqueue = 0;

static int rtqueue_handler(sd_event_source *s, const struct signalfd_siginfo *si, void *userdata) {
        last_rtqueue_sigval = si->ssi_int;
        n_rtqueue++;
        return 0;
}

static void test_rtqueue(void) {
        sd_event_source *u = NULL, *v = NULL, *s = NULL;
        sd_event *e = NULL;

        assert_se(sd_event_default(&e) >= 0);

        assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGRTMIN+2, SIGRTMIN+3, SIGUSR2, -1) >= 0);
        assert_se(sd_event_add_signal(e, &u, SIGRTMIN+2, rtqueue_handler, NULL) >= 0);
        assert_se(sd_event_add_signal(e, &v, SIGRTMIN+3, rtqueue_handler, NULL) >= 0);
        assert_se(sd_event_add_signal(e, &s, SIGUSR2, rtqueue_handler, NULL) >= 0);

        assert_se(sd_event_source_set_priority(v, -10) >= 0);

        assert(sigqueue(getpid_cached(), SIGRTMIN+2, (union sigval) { .sival_int = 1 }) >= 0);
        assert(sigqueue(getpid_cached(), SIGRTMIN+3, (union sigval) { .sival_int = 2 }) >= 0);
        assert(sigqueue(getpid_cached(), SIGUSR2, (union sigval) { .sival_int = 3 }) >= 0);
        assert(sigqueue(getpid_cached(), SIGRTMIN+3, (union sigval) { .sival_int = 4 }) >= 0);
        assert(sigqueue(getpid_cached(), SIGUSR2, (union sigval) { .sival_int = 5 }) >= 0);

        assert_se(n_rtqueue == 0);
        assert_se(last_rtqueue_sigval == 0);

        assert_se(sd_event_run(e, (uint64_t) -1) >= 1);
        assert_se(n_rtqueue == 1);
        assert_se(last_rtqueue_sigval == 2); /* first SIGRTMIN+3 */

        assert_se(sd_event_run(e, (uint64_t) -1) >= 1);
        assert_se(n_rtqueue == 2);
        assert_se(last_rtqueue_sigval == 4); /* second SIGRTMIN+3 */

        assert_se(sd_event_run(e, (uint64_t) -1) >= 1);
        assert_se(n_rtqueue == 3);
        assert_se(last_rtqueue_sigval == 3); /* first SIGUSR2 */

        assert_se(sd_event_run(e, (uint64_t) -1) >= 1);
        assert_se(n_rtqueue == 4);
        assert_se(last_rtqueue_sigval == 1); /* SIGRTMIN+2 */

        assert_se(sd_event_run(e, 0) == 0); /* the other SIGUSR2 is dropped, because the first one was still queued */
        assert_se(n_rtqueue == 4);
        assert_se(last_rtqueue_sigval == 1);

        sd_event_source_unref(u);
        sd_event_source_unref(v);
        sd_event_source_unref(s);

        sd_event_unref(e);
}

int main(int argc, char *argv[]) {

        log_set_max_level(LOG_DEBUG);
        log_parse_environment();

        test_basic();
        test_sd_event_now();
        test_rtqueue();

        return 0;
}
Commit	Line	Data
fd38203a LP	1	/***
	2	This file is part of systemd.
	3
	4	Copyright 2013 Lennart Poettering
	5
	6	systemd is free software; you can redistribute it and/or modify it
	7	under the terms of the GNU Lesser General Public License as published by
	8	the Free Software Foundation; either version 2.1 of the License, or
	9	(at your option) any later version.
	10
	11	systemd is distributed in the hope that it will be useful, but
	12	WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	14	Lesser General Public License for more details.
	15
	16	You should have received a copy of the GNU Lesser General Public License
	17	along with systemd; If not, see <http://www.gnu.org/licenses/>.
	18	***/
	19
fe993888 MS	20	#include <sys/wait.h>
fe993888 MS	21
fd38203a	22	#include "sd-event.h"
3ffd4af2 LP	23
3ffd4af2 LP	24	#include "fd-util.h"
fd38203a	25	#include "log.h"
0c0cdb06	26	#include "macro.h"
24882e06	27	#include "signal-util.h"
3ffd4af2	28	#include "util.h"
fd38203a LP	29
	30	static int prepare_handler(sd_event_source s, void userdata) {
	31	log_info("preparing %c", PTR_TO_INT(userdata));
	32	return 1;
	33	}
	34
12179984	35	static bool got_a, got_b, got_c, got_unref;
9ec9694c	36	static unsigned got_d;
fd38203a	37
12179984 LP	38	static int unref_handler(sd_event_source s, int fd, uint32_t revents, void userdata) {
	39	sd_event_source_unref(s);
	40	got_unref = true;
	41	return 0;
	42	}
	43
fd38203a LP	44	static int io_handler(sd_event_source s, int fd, uint32_t revents, void userdata) {
	45
	46	log_info("got IO on %c", PTR_TO_INT(userdata));
	47
	48	if (userdata == INT_TO_PTR('a')) {
baf76283	49	assert_se(sd_event_source_set_enabled(s, SD_EVENT_OFF) >= 0);
fd38203a LP	50	assert_se(!got_a);
	51	got_a = true;
	52	} else if (userdata == INT_TO_PTR('b')) {
	53	assert_se(!got_b);
	54	got_b = true;
9ec9694c DS	55	} else if (userdata == INT_TO_PTR('d')) {
	56	got_d++;
	57	if (got_d < 2)
	58	assert_se(sd_event_source_set_enabled(s, SD_EVENT_ONESHOT) >= 0);
	59	else
	60	assert_se(sd_event_source_set_enabled(s, SD_EVENT_OFF) >= 0);
fd38203a LP	61	} else
	62	assert_not_reached("Yuck!");
	63
	64	return 1;
	65	}
	66
	67	static int child_handler(sd_event_source s, const siginfo_t si, void *userdata) {
	68
0c0cdb06 RC	69	assert_se(s);
0c0cdb06 RC	70	assert_se(si);
fd38203a LP	71
	72	log_info("got child on %c", PTR_TO_INT(userdata));
	73
0c0cdb06	74	assert_se(userdata == INT_TO_PTR('f'));
fd38203a	75
6203e07a	76	assert_se(sd_event_exit(sd_event_source_get_event(s), 0) >= 0);
fd38203a LP	77	sd_event_source_unref(s);
	78
	79	return 1;
	80	}
	81
	82	static int signal_handler(sd_event_source s, const struct signalfd_siginfo si, void *userdata) {
39883f62	83	sd_event_source *p = NULL;
fd38203a LP	84	pid_t pid;
fd38203a LP	85
0c0cdb06 RC	86	assert_se(s);
0c0cdb06 RC	87	assert_se(si);
fd38203a LP	88
	89	log_info("got signal on %c", PTR_TO_INT(userdata));
	90
0c0cdb06	91	assert_se(userdata == INT_TO_PTR('e'));
fd38203a	92
72c0a2c2	93	assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGCHLD, -1) >= 0);
fd38203a LP	94
	95	pid = fork();
	96	assert_se(pid >= 0);
	97
	98	if (pid == 0)
	99	_exit(0);
	100
151b9b96	101	assert_se(sd_event_add_child(sd_event_source_get_event(s), &p, pid, WEXITED, child_handler, INT_TO_PTR('f')) >= 0);
baf76283	102	assert_se(sd_event_source_set_enabled(p, SD_EVENT_ONESHOT) >= 0);
fd38203a LP	103
	104	sd_event_source_unref(s);
	105
	106	return 1;
	107	}
	108
	109	static int defer_handler(sd_event_source s, void userdata) {
39883f62	110	sd_event_source *p = NULL;
fd38203a	111
0c0cdb06	112	assert_se(s);
fd38203a LP	113
	114	log_info("got defer on %c", PTR_TO_INT(userdata));
	115
0c0cdb06	116	assert_se(userdata == INT_TO_PTR('d'));
fd38203a	117
72c0a2c2 LP	118	assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGUSR1, -1) >= 0);
72c0a2c2 LP	119
151b9b96	120	assert_se(sd_event_add_signal(sd_event_source_get_event(s), &p, SIGUSR1, signal_handler, INT_TO_PTR('e')) >= 0);
baf76283	121	assert_se(sd_event_source_set_enabled(p, SD_EVENT_ONESHOT) >= 0);
fd38203a LP	122	raise(SIGUSR1);
	123
	124	sd_event_source_unref(s);
	125
	126	return 1;
	127	}
	128
	129	static bool do_quit = false;
	130
	131	static int time_handler(sd_event_source s, uint64_t usec, void userdata) {
	132	log_info("got timer on %c", PTR_TO_INT(userdata));
	133
	134	if (userdata == INT_TO_PTR('c')) {
	135
	136	if (do_quit) {
	137	sd_event_source *p;
	138
151b9b96	139	assert_se(sd_event_add_defer(sd_event_source_get_event(s), &p, defer_handler, INT_TO_PTR('d')) >= 0);
baf76283	140	assert_se(sd_event_source_set_enabled(p, SD_EVENT_ONESHOT) >= 0);
fd38203a	141	} else {
0c0cdb06	142	assert_se(!got_c);
fd38203a LP	143	got_c = true;
	144	}
	145	} else
	146	assert_not_reached("Huh?");
	147
	148	return 2;
	149	}
	150
6203e07a	151	static bool got_exit = false;
da7e457c	152
6203e07a	153	static int exit_handler(sd_event_source s, void userdata) {
da7e457c LP	154	log_info("got quit handler on %c", PTR_TO_INT(userdata));
da7e457c LP	155
6203e07a	156	got_exit = true;
da7e457c LP	157
	158	return 3;
	159	}
	160
509a07ad EV	161	static bool got_post = false;
	162
	163	static int post_handler(sd_event_source s, void userdata) {
	164	log_info("got post handler");
	165
	166	got_post = true;
	167
	168	return 2;
	169	}
	170
9da4cb2b	171	static void test_basic(void) {
fd38203a	172	sd_event *e = NULL;
12179984	173	sd_event_source w = NULL, x = NULL, y = NULL, z = NULL, q = NULL, t = NULL;
fd38203a	174	static const char ch = 'x';
12179984	175	int a[2] = { -1, -1 }, b[2] = { -1, -1}, d[2] = { -1, -1}, k[2] = { -1, -1 };
591df2b5	176	uint64_t event_now;
6680b8d1	177	int64_t priority;
fd38203a LP	178
	179	assert_se(pipe(a) >= 0);
	180	assert_se(pipe(b) >= 0);
9ec9694c	181	assert_se(pipe(d) >= 0);
12179984	182	assert_se(pipe(k) >= 0);
fd38203a	183
afc6adb5	184	assert_se(sd_event_default(&e) >= 0);
591df2b5	185	assert_se(sd_event_now(e, CLOCK_MONOTONIC, &event_now) > 0);
fd38203a	186
cde93897 LP	187	assert_se(sd_event_set_watchdog(e, true) >= 0);
cde93897 LP	188
12179984 LP	189	/* Test whether we cleanly can destroy an io event source from its own handler */
12179984 LP	190	got_unref = false;
151b9b96	191	assert_se(sd_event_add_io(e, &t, k[0], EPOLLIN, unref_handler, NULL) >= 0);
12179984 LP	192	assert_se(write(k[1], &ch, 1) == 1);
	193	assert_se(sd_event_run(e, (uint64_t) -1) >= 1);
	194	assert_se(got_unref);
	195
9ec9694c DS	196	got_a = false, got_b = false, got_c = false, got_d = 0;
	197
	198	/* Add a oneshot handler, trigger it, re-enable it, and trigger
	199	* it again. */
151b9b96	200	assert_se(sd_event_add_io(e, &w, d[0], EPOLLIN, io_handler, INT_TO_PTR('d')) >= 0);
9ec9694c DS	201	assert_se(sd_event_source_set_enabled(w, SD_EVENT_ONESHOT) >= 0);
	202	assert_se(write(d[1], &ch, 1) >= 0);
	203	assert_se(sd_event_run(e, (uint64_t) -1) >= 1);
	204	assert_se(got_d == 1);
	205	assert_se(write(d[1], &ch, 1) >= 0);
	206	assert_se(sd_event_run(e, (uint64_t) -1) >= 1);
	207	assert_se(got_d == 2);
fd38203a	208
151b9b96 LP	209	assert_se(sd_event_add_io(e, &x, a[0], EPOLLIN, io_handler, INT_TO_PTR('a')) >= 0);
151b9b96 LP	210	assert_se(sd_event_add_io(e, &y, b[0], EPOLLIN, io_handler, INT_TO_PTR('b')) >= 0);
6a0f1f6d	211	assert_se(sd_event_add_time(e, &z, CLOCK_MONOTONIC, 0, 0, time_handler, INT_TO_PTR('c')) >= 0);
151b9b96	212	assert_se(sd_event_add_exit(e, &q, exit_handler, INT_TO_PTR('g')) >= 0);
fd38203a LP	213
fd38203a LP	214	assert_se(sd_event_source_set_priority(x, 99) >= 0);
6680b8d1 ME	215	assert_se(sd_event_source_get_priority(x, &priority) >= 0);
6680b8d1 ME	216	assert_se(priority == 99);
baf76283	217	assert_se(sd_event_source_set_enabled(y, SD_EVENT_ONESHOT) >= 0);
fd38203a LP	218	assert_se(sd_event_source_set_prepare(x, prepare_handler) >= 0);
fd38203a LP	219	assert_se(sd_event_source_set_priority(z, 50) >= 0);
baf76283	220	assert_se(sd_event_source_set_enabled(z, SD_EVENT_ONESHOT) >= 0);
fd38203a	221	assert_se(sd_event_source_set_prepare(z, prepare_handler) >= 0);
a71fe8b8 LP	222
a71fe8b8 LP	223	/* Test for floating event sources */
72c0a2c2	224	assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGRTMIN+1, -1) >= 0);
a71fe8b8	225	assert_se(sd_event_add_signal(e, NULL, SIGRTMIN+1, NULL, NULL) >= 0);
fd38203a LP	226
	227	assert_se(write(a[1], &ch, 1) >= 0);
	228	assert_se(write(b[1], &ch, 1) >= 0);
	229
	230	assert_se(!got_a && !got_b && !got_c);
	231
	232	assert_se(sd_event_run(e, (uint64_t) -1) >= 1);
	233
	234	assert_se(!got_a && got_b && !got_c);
	235
	236	assert_se(sd_event_run(e, (uint64_t) -1) >= 1);
	237
	238	assert_se(!got_a && got_b && got_c);
	239
	240	assert_se(sd_event_run(e, (uint64_t) -1) >= 1);
	241
	242	assert_se(got_a && got_b && got_c);
	243
	244	sd_event_source_unref(x);
	245	sd_event_source_unref(y);
	246
	247	do_quit = true;
509a07ad	248	assert_se(sd_event_add_post(e, NULL, post_handler, NULL) >= 0);
591df2b5 EV	249	assert_se(sd_event_now(e, CLOCK_MONOTONIC, &event_now) == 0);
591df2b5 EV	250	assert_se(sd_event_source_set_time(z, event_now + 200 * USEC_PER_MSEC) >= 0);
baf76283	251	assert_se(sd_event_source_set_enabled(z, SD_EVENT_ONESHOT) >= 0);
fd38203a LP	252
fd38203a LP	253	assert_se(sd_event_loop(e) >= 0);
509a07ad	254	assert_se(got_post);
5657c75f	255	assert_se(got_exit);
fd38203a LP	256
fd38203a LP	257	sd_event_source_unref(z);
da7e457c	258	sd_event_source_unref(q);
fd38203a	259
d5e4ec5b LP	260	sd_event_source_unref(w);
d5e4ec5b LP	261
fd38203a LP	262	sd_event_unref(e);
fd38203a LP	263
3d94f76c LP	264	safe_close_pair(a);
	265	safe_close_pair(b);
	266	safe_close_pair(d);
	267	safe_close_pair(k);
9da4cb2b LP	268	}
9da4cb2b LP	269
2c86ba5a ZJS	270	static void test_sd_event_now(void) {
	271	_cleanup_(sd_event_unrefp) sd_event *e = NULL;
	272	uint64_t event_now;
	273
	274	assert_se(sd_event_new(&e) >= 0);
	275	assert_se(sd_event_now(e, CLOCK_MONOTONIC, &event_now) > 0);
	276	assert_se(sd_event_now(e, CLOCK_REALTIME, &event_now) > 0);
	277	assert_se(sd_event_now(e, CLOCK_REALTIME_ALARM, &event_now) > 0);
3411372e LP	278	if (clock_boottime_supported()) {
	279	assert_se(sd_event_now(e, CLOCK_BOOTTIME, &event_now) > 0);
	280	assert_se(sd_event_now(e, CLOCK_BOOTTIME_ALARM, &event_now) > 0);
	281	}
2c86ba5a ZJS	282	assert_se(sd_event_now(e, -1, &event_now) == -EOPNOTSUPP);
	283	assert_se(sd_event_now(e, 900 /* arbitrary big number */, &event_now) == -EOPNOTSUPP);
	284
	285	assert_se(sd_event_run(e, 0) == 0);
	286
	287	assert_se(sd_event_now(e, CLOCK_MONOTONIC, &event_now) == 0);
	288	assert_se(sd_event_now(e, CLOCK_REALTIME, &event_now) == 0);
	289	assert_se(sd_event_now(e, CLOCK_REALTIME_ALARM, &event_now) == 0);
3411372e LP	290	if (clock_boottime_supported()) {
	291	assert_se(sd_event_now(e, CLOCK_BOOTTIME, &event_now) == 0);
	292	assert_se(sd_event_now(e, CLOCK_BOOTTIME_ALARM, &event_now) == 0);
	293	}
2c86ba5a ZJS	294	assert_se(sd_event_now(e, -1, &event_now) == -EOPNOTSUPP);
	295	assert_se(sd_event_now(e, 900 /* arbitrary big number */, &event_now) == -EOPNOTSUPP);
	296	}
	297
9da4cb2b LP	298	static int last_rtqueue_sigval = 0;
	299	static int n_rtqueue = 0;
	300
	301	static int rtqueue_handler(sd_event_source s, const struct signalfd_siginfo si, void *userdata) {
	302	last_rtqueue_sigval = si->ssi_int;
313cefa1	303	n_rtqueue++;
9da4cb2b LP	304	return 0;
	305	}
	306
	307	static void test_rtqueue(void) {
	308	sd_event_source u = NULL, v = NULL, *s = NULL;
	309	sd_event *e = NULL;
	310
	311	assert_se(sd_event_default(&e) >= 0);
	312
	313	assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGRTMIN+2, SIGRTMIN+3, SIGUSR2, -1) >= 0);
	314	assert_se(sd_event_add_signal(e, &u, SIGRTMIN+2, rtqueue_handler, NULL) >= 0);
	315	assert_se(sd_event_add_signal(e, &v, SIGRTMIN+3, rtqueue_handler, NULL) >= 0);
	316	assert_se(sd_event_add_signal(e, &s, SIGUSR2, rtqueue_handler, NULL) >= 0);
	317
	318	assert_se(sd_event_source_set_priority(v, -10) >= 0);
	319
df0ff127 LP	320	assert(sigqueue(getpid_cached(), SIGRTMIN+2, (union sigval) { .sival_int = 1 }) >= 0);
	321	assert(sigqueue(getpid_cached(), SIGRTMIN+3, (union sigval) { .sival_int = 2 }) >= 0);
	322	assert(sigqueue(getpid_cached(), SIGUSR2, (union sigval) { .sival_int = 3 }) >= 0);
	323	assert(sigqueue(getpid_cached(), SIGRTMIN+3, (union sigval) { .sival_int = 4 }) >= 0);
	324	assert(sigqueue(getpid_cached(), SIGUSR2, (union sigval) { .sival_int = 5 }) >= 0);
9da4cb2b LP	325
	326	assert_se(n_rtqueue == 0);
	327	assert_se(last_rtqueue_sigval == 0);
	328
	329	assert_se(sd_event_run(e, (uint64_t) -1) >= 1);
	330	assert_se(n_rtqueue == 1);
	331	assert_se(last_rtqueue_sigval == 2); /* first SIGRTMIN+3 */
	332
	333	assert_se(sd_event_run(e, (uint64_t) -1) >= 1);
	334	assert_se(n_rtqueue == 2);
	335	assert_se(last_rtqueue_sigval == 4); /* second SIGRTMIN+3 */
	336
	337	assert_se(sd_event_run(e, (uint64_t) -1) >= 1);
	338	assert_se(n_rtqueue == 3);
	339	assert_se(last_rtqueue_sigval == 3); /* first SIGUSR2 */
	340
	341	assert_se(sd_event_run(e, (uint64_t) -1) >= 1);
	342	assert_se(n_rtqueue == 4);
	343	assert_se(last_rtqueue_sigval == 1); /* SIGRTMIN+2 */
	344
	345	assert_se(sd_event_run(e, 0) == 0); /* the other SIGUSR2 is dropped, because the first one was still queued */
	346	assert_se(n_rtqueue == 4);
	347	assert_se(last_rtqueue_sigval == 1);
	348
	349	sd_event_source_unref(u);
	350	sd_event_source_unref(v);
	351	sd_event_source_unref(s);
	352
	353	sd_event_unref(e);
	354	}
	355
	356	int main(int argc, char *argv[]) {
	357
2c86ba5a ZJS	358	log_set_max_level(LOG_DEBUG);
	359	log_parse_environment();
	360
9da4cb2b	361	test_basic();
2c86ba5a	362	test_sd_event_now();
9da4cb2b	363	test_rtqueue();
fd38203a LP	364
	365	return 0;
	366	}