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

/* SPDX-License-Identifier: LGPL-2.1+ */
/***
  This file is part of systemd.

  Copyright 2013 Lennart Poettering
***/

#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"
#include "process-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(EXIT_SUCCESS);

        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_se(sigqueue(getpid_cached(), SIGRTMIN+2, (union sigval) { .sival_int = 1 }) >= 0);
        assert_se(sigqueue(getpid_cached(), SIGRTMIN+3, (union sigval) { .sival_int = 2 }) >= 0);
        assert_se(sigqueue(getpid_cached(), SIGUSR2, (union sigval) { .sival_int = 3 }) >= 0);
        assert_se(sigqueue(getpid_cached(), SIGRTMIN+3, (union sigval) { .sival_int = 4 }) >= 0);
        assert_se(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
53e1b683	1	/* SPDX-License-Identifier: LGPL-2.1+ */
fd38203a LP	2	/***
	3	This file is part of systemd.
	4
	5	Copyright 2013 Lennart Poettering
fd38203a LP	6	***/
fd38203a LP	7
fe993888 MS	8	#include <sys/wait.h>
fe993888 MS	9
fd38203a	10	#include "sd-event.h"
3ffd4af2 LP	11
3ffd4af2 LP	12	#include "fd-util.h"
fd38203a	13	#include "log.h"
0c0cdb06	14	#include "macro.h"
24882e06	15	#include "signal-util.h"
3ffd4af2	16	#include "util.h"
dccca82b	17	#include "process-util.h"
fd38203a LP	18
	19	static int prepare_handler(sd_event_source s, void userdata) {
	20	log_info("preparing %c", PTR_TO_INT(userdata));
	21	return 1;
	22	}
	23
12179984	24	static bool got_a, got_b, got_c, got_unref;
9ec9694c	25	static unsigned got_d;
fd38203a	26
12179984 LP	27	static int unref_handler(sd_event_source s, int fd, uint32_t revents, void userdata) {
	28	sd_event_source_unref(s);
	29	got_unref = true;
	30	return 0;
	31	}
	32
fd38203a LP	33	static int io_handler(sd_event_source s, int fd, uint32_t revents, void userdata) {
	34
	35	log_info("got IO on %c", PTR_TO_INT(userdata));
	36
	37	if (userdata == INT_TO_PTR('a')) {
baf76283	38	assert_se(sd_event_source_set_enabled(s, SD_EVENT_OFF) >= 0);
fd38203a LP	39	assert_se(!got_a);
	40	got_a = true;
	41	} else if (userdata == INT_TO_PTR('b')) {
	42	assert_se(!got_b);
	43	got_b = true;
9ec9694c DS	44	} else if (userdata == INT_TO_PTR('d')) {
	45	got_d++;
	46	if (got_d < 2)
	47	assert_se(sd_event_source_set_enabled(s, SD_EVENT_ONESHOT) >= 0);
	48	else
	49	assert_se(sd_event_source_set_enabled(s, SD_EVENT_OFF) >= 0);
fd38203a LP	50	} else
	51	assert_not_reached("Yuck!");
	52
	53	return 1;
	54	}
	55
	56	static int child_handler(sd_event_source s, const siginfo_t si, void *userdata) {
	57
0c0cdb06 RC	58	assert_se(s);
0c0cdb06 RC	59	assert_se(si);
fd38203a LP	60
	61	log_info("got child on %c", PTR_TO_INT(userdata));
	62
0c0cdb06	63	assert_se(userdata == INT_TO_PTR('f'));
fd38203a	64
6203e07a	65	assert_se(sd_event_exit(sd_event_source_get_event(s), 0) >= 0);
fd38203a LP	66	sd_event_source_unref(s);
	67
	68	return 1;
	69	}
	70
	71	static int signal_handler(sd_event_source s, const struct signalfd_siginfo si, void *userdata) {
39883f62	72	sd_event_source *p = NULL;
fd38203a LP	73	pid_t pid;
fd38203a LP	74
0c0cdb06 RC	75	assert_se(s);
0c0cdb06 RC	76	assert_se(si);
fd38203a LP	77
	78	log_info("got signal on %c", PTR_TO_INT(userdata));
	79
0c0cdb06	80	assert_se(userdata == INT_TO_PTR('e'));
fd38203a	81
72c0a2c2	82	assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGCHLD, -1) >= 0);
fd38203a LP	83
	84	pid = fork();
	85	assert_se(pid >= 0);
	86
	87	if (pid == 0)
a45d7127	88	_exit(EXIT_SUCCESS);
fd38203a	89
151b9b96	90	assert_se(sd_event_add_child(sd_event_source_get_event(s), &p, pid, WEXITED, child_handler, INT_TO_PTR('f')) >= 0);
baf76283	91	assert_se(sd_event_source_set_enabled(p, SD_EVENT_ONESHOT) >= 0);
fd38203a LP	92
	93	sd_event_source_unref(s);
	94
	95	return 1;
	96	}
	97
	98	static int defer_handler(sd_event_source s, void userdata) {
39883f62	99	sd_event_source *p = NULL;
fd38203a	100
0c0cdb06	101	assert_se(s);
fd38203a LP	102
	103	log_info("got defer on %c", PTR_TO_INT(userdata));
	104
0c0cdb06	105	assert_se(userdata == INT_TO_PTR('d'));
fd38203a	106
72c0a2c2 LP	107	assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGUSR1, -1) >= 0);
72c0a2c2 LP	108
151b9b96	109	assert_se(sd_event_add_signal(sd_event_source_get_event(s), &p, SIGUSR1, signal_handler, INT_TO_PTR('e')) >= 0);
baf76283	110	assert_se(sd_event_source_set_enabled(p, SD_EVENT_ONESHOT) >= 0);
fd38203a LP	111	raise(SIGUSR1);
	112
	113	sd_event_source_unref(s);
	114
	115	return 1;
	116	}
	117
	118	static bool do_quit = false;
	119
	120	static int time_handler(sd_event_source s, uint64_t usec, void userdata) {
	121	log_info("got timer on %c", PTR_TO_INT(userdata));
	122
	123	if (userdata == INT_TO_PTR('c')) {
	124
	125	if (do_quit) {
	126	sd_event_source *p;
	127
151b9b96	128	assert_se(sd_event_add_defer(sd_event_source_get_event(s), &p, defer_handler, INT_TO_PTR('d')) >= 0);
baf76283	129	assert_se(sd_event_source_set_enabled(p, SD_EVENT_ONESHOT) >= 0);
fd38203a	130	} else {
0c0cdb06	131	assert_se(!got_c);
fd38203a LP	132	got_c = true;
	133	}
	134	} else
	135	assert_not_reached("Huh?");
	136
	137	return 2;
	138	}
	139
6203e07a	140	static bool got_exit = false;
da7e457c	141
6203e07a	142	static int exit_handler(sd_event_source s, void userdata) {
da7e457c LP	143	log_info("got quit handler on %c", PTR_TO_INT(userdata));
da7e457c LP	144
6203e07a	145	got_exit = true;
da7e457c LP	146
	147	return 3;
	148	}
	149
509a07ad EV	150	static bool got_post = false;
	151
	152	static int post_handler(sd_event_source s, void userdata) {
	153	log_info("got post handler");
	154
	155	got_post = true;
	156
	157	return 2;
	158	}
	159
9da4cb2b	160	static void test_basic(void) {
fd38203a	161	sd_event *e = NULL;
12179984	162	sd_event_source w = NULL, x = NULL, y = NULL, z = NULL, q = NULL, t = NULL;
fd38203a	163	static const char ch = 'x';
12179984	164	int a[2] = { -1, -1 }, b[2] = { -1, -1}, d[2] = { -1, -1}, k[2] = { -1, -1 };
591df2b5	165	uint64_t event_now;
6680b8d1	166	int64_t priority;
fd38203a LP	167
	168	assert_se(pipe(a) >= 0);
	169	assert_se(pipe(b) >= 0);
9ec9694c	170	assert_se(pipe(d) >= 0);
12179984	171	assert_se(pipe(k) >= 0);
fd38203a	172
afc6adb5	173	assert_se(sd_event_default(&e) >= 0);
591df2b5	174	assert_se(sd_event_now(e, CLOCK_MONOTONIC, &event_now) > 0);
fd38203a	175
cde93897 LP	176	assert_se(sd_event_set_watchdog(e, true) >= 0);
cde93897 LP	177
12179984 LP	178	/* Test whether we cleanly can destroy an io event source from its own handler */
12179984 LP	179	got_unref = false;
151b9b96	180	assert_se(sd_event_add_io(e, &t, k[0], EPOLLIN, unref_handler, NULL) >= 0);
12179984 LP	181	assert_se(write(k[1], &ch, 1) == 1);
	182	assert_se(sd_event_run(e, (uint64_t) -1) >= 1);
	183	assert_se(got_unref);
	184
9ec9694c DS	185	got_a = false, got_b = false, got_c = false, got_d = 0;
	186
	187	/* Add a oneshot handler, trigger it, re-enable it, and trigger
	188	* it again. */
151b9b96	189	assert_se(sd_event_add_io(e, &w, d[0], EPOLLIN, io_handler, INT_TO_PTR('d')) >= 0);
9ec9694c DS	190	assert_se(sd_event_source_set_enabled(w, SD_EVENT_ONESHOT) >= 0);
	191	assert_se(write(d[1], &ch, 1) >= 0);
	192	assert_se(sd_event_run(e, (uint64_t) -1) >= 1);
	193	assert_se(got_d == 1);
	194	assert_se(write(d[1], &ch, 1) >= 0);
	195	assert_se(sd_event_run(e, (uint64_t) -1) >= 1);
	196	assert_se(got_d == 2);
fd38203a	197
151b9b96 LP	198	assert_se(sd_event_add_io(e, &x, a[0], EPOLLIN, io_handler, INT_TO_PTR('a')) >= 0);
151b9b96 LP	199	assert_se(sd_event_add_io(e, &y, b[0], EPOLLIN, io_handler, INT_TO_PTR('b')) >= 0);
6a0f1f6d	200	assert_se(sd_event_add_time(e, &z, CLOCK_MONOTONIC, 0, 0, time_handler, INT_TO_PTR('c')) >= 0);
151b9b96	201	assert_se(sd_event_add_exit(e, &q, exit_handler, INT_TO_PTR('g')) >= 0);
fd38203a LP	202
fd38203a LP	203	assert_se(sd_event_source_set_priority(x, 99) >= 0);
6680b8d1 ME	204	assert_se(sd_event_source_get_priority(x, &priority) >= 0);
6680b8d1 ME	205	assert_se(priority == 99);
baf76283	206	assert_se(sd_event_source_set_enabled(y, SD_EVENT_ONESHOT) >= 0);
fd38203a LP	207	assert_se(sd_event_source_set_prepare(x, prepare_handler) >= 0);
fd38203a LP	208	assert_se(sd_event_source_set_priority(z, 50) >= 0);
baf76283	209	assert_se(sd_event_source_set_enabled(z, SD_EVENT_ONESHOT) >= 0);
fd38203a	210	assert_se(sd_event_source_set_prepare(z, prepare_handler) >= 0);
a71fe8b8 LP	211
a71fe8b8 LP	212	/* Test for floating event sources */
72c0a2c2	213	assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGRTMIN+1, -1) >= 0);
a71fe8b8	214	assert_se(sd_event_add_signal(e, NULL, SIGRTMIN+1, NULL, NULL) >= 0);
fd38203a LP	215
	216	assert_se(write(a[1], &ch, 1) >= 0);
	217	assert_se(write(b[1], &ch, 1) >= 0);
	218
	219	assert_se(!got_a && !got_b && !got_c);
	220
	221	assert_se(sd_event_run(e, (uint64_t) -1) >= 1);
	222
	223	assert_se(!got_a && got_b && !got_c);
	224
	225	assert_se(sd_event_run(e, (uint64_t) -1) >= 1);
	226
	227	assert_se(!got_a && got_b && got_c);
	228
	229	assert_se(sd_event_run(e, (uint64_t) -1) >= 1);
	230
	231	assert_se(got_a && got_b && got_c);
	232
	233	sd_event_source_unref(x);
	234	sd_event_source_unref(y);
	235
	236	do_quit = true;
509a07ad	237	assert_se(sd_event_add_post(e, NULL, post_handler, NULL) >= 0);
591df2b5 EV	238	assert_se(sd_event_now(e, CLOCK_MONOTONIC, &event_now) == 0);
591df2b5 EV	239	assert_se(sd_event_source_set_time(z, event_now + 200 * USEC_PER_MSEC) >= 0);
baf76283	240	assert_se(sd_event_source_set_enabled(z, SD_EVENT_ONESHOT) >= 0);
fd38203a LP	241
fd38203a LP	242	assert_se(sd_event_loop(e) >= 0);
509a07ad	243	assert_se(got_post);
5657c75f	244	assert_se(got_exit);
fd38203a LP	245
fd38203a LP	246	sd_event_source_unref(z);
da7e457c	247	sd_event_source_unref(q);
fd38203a	248
d5e4ec5b LP	249	sd_event_source_unref(w);
d5e4ec5b LP	250
fd38203a LP	251	sd_event_unref(e);
fd38203a LP	252
3d94f76c LP	253	safe_close_pair(a);
	254	safe_close_pair(b);
	255	safe_close_pair(d);
	256	safe_close_pair(k);
9da4cb2b LP	257	}
9da4cb2b LP	258
2c86ba5a ZJS	259	static void test_sd_event_now(void) {
	260	_cleanup_(sd_event_unrefp) sd_event *e = NULL;
	261	uint64_t event_now;
	262
	263	assert_se(sd_event_new(&e) >= 0);
	264	assert_se(sd_event_now(e, CLOCK_MONOTONIC, &event_now) > 0);
	265	assert_se(sd_event_now(e, CLOCK_REALTIME, &event_now) > 0);
	266	assert_se(sd_event_now(e, CLOCK_REALTIME_ALARM, &event_now) > 0);
3411372e LP	267	if (clock_boottime_supported()) {
	268	assert_se(sd_event_now(e, CLOCK_BOOTTIME, &event_now) > 0);
	269	assert_se(sd_event_now(e, CLOCK_BOOTTIME_ALARM, &event_now) > 0);
	270	}
2c86ba5a ZJS	271	assert_se(sd_event_now(e, -1, &event_now) == -EOPNOTSUPP);
	272	assert_se(sd_event_now(e, 900 /* arbitrary big number */, &event_now) == -EOPNOTSUPP);
	273
	274	assert_se(sd_event_run(e, 0) == 0);
	275
	276	assert_se(sd_event_now(e, CLOCK_MONOTONIC, &event_now) == 0);
	277	assert_se(sd_event_now(e, CLOCK_REALTIME, &event_now) == 0);
	278	assert_se(sd_event_now(e, CLOCK_REALTIME_ALARM, &event_now) == 0);
3411372e LP	279	if (clock_boottime_supported()) {
	280	assert_se(sd_event_now(e, CLOCK_BOOTTIME, &event_now) == 0);
	281	assert_se(sd_event_now(e, CLOCK_BOOTTIME_ALARM, &event_now) == 0);
	282	}
2c86ba5a ZJS	283	assert_se(sd_event_now(e, -1, &event_now) == -EOPNOTSUPP);
	284	assert_se(sd_event_now(e, 900 /* arbitrary big number */, &event_now) == -EOPNOTSUPP);
	285	}
	286
9da4cb2b LP	287	static int last_rtqueue_sigval = 0;
	288	static int n_rtqueue = 0;
	289
	290	static int rtqueue_handler(sd_event_source s, const struct signalfd_siginfo si, void *userdata) {
	291	last_rtqueue_sigval = si->ssi_int;
313cefa1	292	n_rtqueue++;
9da4cb2b LP	293	return 0;
	294	}
	295
	296	static void test_rtqueue(void) {
	297	sd_event_source u = NULL, v = NULL, *s = NULL;
	298	sd_event *e = NULL;
	299
	300	assert_se(sd_event_default(&e) >= 0);
	301
	302	assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGRTMIN+2, SIGRTMIN+3, SIGUSR2, -1) >= 0);
	303	assert_se(sd_event_add_signal(e, &u, SIGRTMIN+2, rtqueue_handler, NULL) >= 0);
	304	assert_se(sd_event_add_signal(e, &v, SIGRTMIN+3, rtqueue_handler, NULL) >= 0);
	305	assert_se(sd_event_add_signal(e, &s, SIGUSR2, rtqueue_handler, NULL) >= 0);
	306
	307	assert_se(sd_event_source_set_priority(v, -10) >= 0);
	308
19500112 YW	309	assert_se(sigqueue(getpid_cached(), SIGRTMIN+2, (union sigval) { .sival_int = 1 }) >= 0);
	310	assert_se(sigqueue(getpid_cached(), SIGRTMIN+3, (union sigval) { .sival_int = 2 }) >= 0);
	311	assert_se(sigqueue(getpid_cached(), SIGUSR2, (union sigval) { .sival_int = 3 }) >= 0);
	312	assert_se(sigqueue(getpid_cached(), SIGRTMIN+3, (union sigval) { .sival_int = 4 }) >= 0);
	313	assert_se(sigqueue(getpid_cached(), SIGUSR2, (union sigval) { .sival_int = 5 }) >= 0);
9da4cb2b LP	314
	315	assert_se(n_rtqueue == 0);
	316	assert_se(last_rtqueue_sigval == 0);
	317
	318	assert_se(sd_event_run(e, (uint64_t) -1) >= 1);
	319	assert_se(n_rtqueue == 1);
	320	assert_se(last_rtqueue_sigval == 2); /* first SIGRTMIN+3 */
	321
	322	assert_se(sd_event_run(e, (uint64_t) -1) >= 1);
	323	assert_se(n_rtqueue == 2);
	324	assert_se(last_rtqueue_sigval == 4); /* second SIGRTMIN+3 */
	325
	326	assert_se(sd_event_run(e, (uint64_t) -1) >= 1);
	327	assert_se(n_rtqueue == 3);
	328	assert_se(last_rtqueue_sigval == 3); /* first SIGUSR2 */
	329
	330	assert_se(sd_event_run(e, (uint64_t) -1) >= 1);
	331	assert_se(n_rtqueue == 4);
	332	assert_se(last_rtqueue_sigval == 1); /* SIGRTMIN+2 */
	333
	334	assert_se(sd_event_run(e, 0) == 0); /* the other SIGUSR2 is dropped, because the first one was still queued */
	335	assert_se(n_rtqueue == 4);
	336	assert_se(last_rtqueue_sigval == 1);
	337
	338	sd_event_source_unref(u);
	339	sd_event_source_unref(v);
	340	sd_event_source_unref(s);
	341
	342	sd_event_unref(e);
	343	}
	344
	345	int main(int argc, char *argv[]) {
	346
2c86ba5a ZJS	347	log_set_max_level(LOG_DEBUG);
	348	log_parse_environment();
	349
9da4cb2b	350	test_basic();
2c86ba5a	351	test_sd_event_now();
9da4cb2b	352	test_rtqueue();
fd38203a LP	353
	354	return 0;
	355	}