#include #include #include #include #include #include "dispatch_test.h" int main(void) { test_start("Dispatch Source Timer, bit 63"); //uint64_t interval = 0xffffffffffffffffull; uint64_t interval = 0x8000000000000001ull; dispatch_queue_t mainq = dispatch_get_main_queue(); __block int i = 0; struct timeval start_time; gettimeofday(&start_time, NULL); dispatch_source_t ds; ds = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, mainq); assert(ds); dispatch_source_set_event_handler(ds, ^{ assert(i < 1); printf("%d\n", i++); }); dispatch_source_set_timer(ds, DISPATCH_TIME_NOW, interval, 0); dispatch_resume(ds); dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 1*NSEC_PER_SEC), dispatch_get_main_queue(), ^{ test_stop(); }); dispatch_main(); return 0; }