[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 "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;

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