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Diffstat (limited to 'src/libsystemd/sd-event/test-event.c')
-rw-r--r-- | src/libsystemd/sd-event/test-event.c | 357 |
1 files changed, 0 insertions, 357 deletions
diff --git a/src/libsystemd/sd-event/test-event.c b/src/libsystemd/sd-event/test-event.c deleted file mode 100644 index daea4126f8..0000000000 --- a/src/libsystemd/sd-event/test-event.c +++ /dev/null @@ -1,357 +0,0 @@ -/*** - 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; -} |