X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Flibsystemd-bus%2Ftest-event.c;h=28ef6a3692bf2bb0657b51c6dadd454b54afbef2;hp=80aa28eb2421b19c880d2ddf3c9dda979f7f6a22;hb=30caf8f3afd29da8507c0edbcead7935604c9f3e;hpb=baf762833224267ef5380fb83b22f294628695a8 diff --git a/src/libsystemd-bus/test-event.c b/src/libsystemd-bus/test-event.c index 80aa28eb2..28ef6a369 100644 --- a/src/libsystemd-bus/test-event.c +++ b/src/libsystemd-bus/test-event.c @@ -28,7 +28,14 @@ static int prepare_handler(sd_event_source *s, void *userdata) { return 1; } -static bool got_a, got_b, got_c; +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) { @@ -41,6 +48,12 @@ static int io_handler(sd_event_source *s, int fd, uint32_t revents, void *userda } 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!"); @@ -56,7 +69,7 @@ static int child_handler(sd_event_source *s, const siginfo_t *si, void *userdata assert(userdata == INT_TO_PTR('f')); - assert_se(sd_event_request_quit(sd_event_get(s)) >= 0); + assert_se(sd_event_exit(sd_event_source_get_event(s), 0) >= 0); sd_event_source_unref(s); return 1; @@ -84,7 +97,7 @@ static int signal_handler(sd_event_source *s, const struct signalfd_siginfo *si, if (pid == 0) _exit(0); - assert_se(sd_event_add_child(sd_event_get(s), pid, WEXITED, child_handler, INT_TO_PTR('f'), &p) >= 0); + assert_se(sd_event_add_child(sd_event_source_get_event(s), pid, WEXITED, child_handler, INT_TO_PTR('f'), &p) >= 0); assert_se(sd_event_source_set_enabled(p, SD_EVENT_ONESHOT) >= 0); sd_event_source_unref(s); @@ -105,7 +118,7 @@ static int defer_handler(sd_event_source *s, void *userdata) { assert_se(sigemptyset(&ss) >= 0); assert_se(sigaddset(&ss, SIGUSR1) >= 0); assert_se(sigprocmask(SIG_BLOCK, &ss, NULL) >= 0); - assert_se(sd_event_add_signal(sd_event_get(s), SIGUSR1, signal_handler, INT_TO_PTR('e'), &p) >= 0); + assert_se(sd_event_add_signal(sd_event_source_get_event(s), SIGUSR1, signal_handler, INT_TO_PTR('e'), &p) >= 0); assert_se(sd_event_source_set_enabled(p, SD_EVENT_ONESHOT) >= 0); raise(SIGUSR1); @@ -124,7 +137,7 @@ static int time_handler(sd_event_source *s, uint64_t usec, void *userdata) { if (do_quit) { sd_event_source *p; - assert_se(sd_event_add_defer(sd_event_get(s), defer_handler, INT_TO_PTR('d'), &p) >= 0); + assert_se(sd_event_add_defer(sd_event_source_get_event(s), defer_handler, INT_TO_PTR('d'), &p) >= 0); assert_se(sd_event_source_set_enabled(p, SD_EVENT_ONESHOT) >= 0); } else { assert(!got_c); @@ -136,33 +149,55 @@ static int time_handler(sd_event_source *s, uint64_t usec, void *userdata) { return 2; } -static bool got_quit = false; +static bool got_exit = false; -static int quit_handler(sd_event_source *s, void *userdata) { +static int exit_handler(sd_event_source *s, void *userdata) { log_info("got quit handler on %c", PTR_TO_INT(userdata)); - got_quit = true; + got_exit = true; return 3; } int main(int argc, char *argv[]) { sd_event *e = NULL; - sd_event_source *x = NULL, *y = NULL, *z = NULL, *q = 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}; + int a[2] = { -1, -1 }, b[2] = { -1, -1}, d[2] = { -1, -1}, k[2] = { -1, -1 }; 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_new(&e) >= 0); + assert_se(sd_event_set_watchdog(e, true) >= 0); - got_a = false, got_b = false, got_c = false; + /* Test whether we cleanly can destroy an io event source from its own handler */ + got_unref = false; + assert_se(sd_event_add_io(e, k[0], EPOLLIN, unref_handler, NULL, &t) >= 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, d[0], EPOLLIN, io_handler, INT_TO_PTR('d'), &w) >= 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, a[0], EPOLLIN, io_handler, INT_TO_PTR('a'), &x) >= 0); assert_se(sd_event_add_io(e, b[0], EPOLLIN, io_handler, INT_TO_PTR('b'), &y) >= 0); assert_se(sd_event_add_monotonic(e, 0, 0, time_handler, INT_TO_PTR('c'), &z) >= 0); - assert_se(sd_event_add_quit(e, quit_handler, INT_TO_PTR('g'), &q) >= 0); + assert_se(sd_event_add_exit(e, exit_handler, INT_TO_PTR('g'), &q) >= 0); assert_se(sd_event_source_set_priority(x, 99) >= 0); assert_se(sd_event_source_set_enabled(y, SD_EVENT_ONESHOT) >= 0); @@ -200,10 +235,14 @@ int main(int argc, char *argv[]) { sd_event_source_unref(z); sd_event_source_unref(q); + sd_event_source_unref(w); + sd_event_unref(e); close_pipe(a); close_pipe(b); + close_pipe(d); + close_pipe(k); return 0; }