1 // 2 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 3 // See https://llvm.org/LICENSE.txt for license information. 4 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 5 6 // CONFIG rdar://6405500 7 8 #include <stdio.h> 9 #include <stdlib.h> 10 #import <dispatch/dispatch.h> 11 #import <objc/objc-auto.h> 12 main(int argc,const char * argv[])13int main (int argc, const char * argv[]) { 14 __block void (^blockFu)(size_t t); 15 blockFu = ^(size_t t){ 16 if (t == 20) { 17 printf("%s: success\n", argv[0]); 18 exit(0); 19 } else 20 dispatch_async(dispatch_get_main_queue(), ^{ blockFu(20); }); 21 }; 22 23 dispatch_apply(10, dispatch_get_concurrent_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT), blockFu); 24 25 dispatch_main(); 26 printf("shouldn't get here\n"); 27 return 1; 28 } 29