#include <stdlib.h>
#include <assert.h>
#include <stdio.h>
#include <string.h>
#include <dispatch/dispatch.h>
#include "dispatch_test.h"
int main(void)
{
test_start("Dispatch Source Timer");
dispatch_queue_t main_q = dispatch_get_main_queue();
test_ptr("dispatch_get_main_queue", main_q, dispatch_get_current_queue());
uint64_t j;
for (j = 1; j <= 5; ++j)
{
dispatch_source_t s = dispatch_source_timer_create(DISPATCH_TIMER_INTERVAL,
(uint64_t)j * (uint64_t)1000000000ull, 0, NULL, dispatch_get_concurrent_queue(0),
^(dispatch_event_t ev) {
if (!dispatch_event_get_error(ev, NULL)) {
fprintf(stderr, "timer[%lld]\n", j);
dispatch_release(dispatch_event_get_source(ev));
}
});
test_ptr_notnull("dispatch_source_timer_create", s);
}
dispatch_source_attr_t attr = dispatch_source_attr_create();
dispatch_source_attr_set_finalizer(attr, ^(dispatch_source_t ds) {
test_ptr_notnull("finalizer ran", ds);
test_stop();
});
__block int i = 0;
dispatch_source_t s = dispatch_source_timer_create(DISPATCH_TIMER_INTERVAL,
1000000000ull,
0,
attr,
main_q,
^(dispatch_event_t ev) {
long err;
if (dispatch_event_get_error(ev, &err)) {
test_errno("dispatch_event_get_error", err, ECANCELED);
dispatch_release(dispatch_event_get_source(ev));
} else {
fprintf(stderr, "%d\n", ++i);
if (i >= 3) {
dispatch_cancel(dispatch_event_get_source(ev));
}
}
});
test_ptr_notnull("dispatch_source_timer_create", s);
dispatch_release(attr);
dispatch_main();
return 0;
}