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1 // RUN: %clang_tsan %s -o %t -framework Foundation
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2 // RUN: %run %t 2>&1 | FileCheck %s
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3
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4 // UNSUPPORTED: ios
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5
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6 #import <Foundation/Foundation.h>
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7 #import <xpc/xpc.h>
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8
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9 long global;
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10
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11 int main(int argc, const char *argv[]) {
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12 fprintf(stderr, "Hello world.\n");
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13
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14 dispatch_queue_t server_q = dispatch_queue_create("server.queue", DISPATCH_QUEUE_CONCURRENT);
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15 xpc_connection_t server_conn = xpc_connection_create(NULL, server_q);
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16
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17 xpc_connection_set_event_handler(server_conn, ^(xpc_object_t client) {
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18 if (client == XPC_ERROR_CONNECTION_INTERRUPTED || client == XPC_ERROR_CONNECTION_INVALID) {
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19 global = 43;
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20
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21 dispatch_async(dispatch_get_main_queue(), ^{
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22 CFRunLoopStop(CFRunLoopGetCurrent());
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23 });
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24 }
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25 });
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26 xpc_connection_resume(server_conn);
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27
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28 global = 42;
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29
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30 xpc_connection_cancel(server_conn);
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31
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32 CFRunLoopRun();
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33
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34 fprintf(stderr, "Done.\n");
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35 }
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36
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37 // CHECK: Hello world.
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38 // CHECK-NOT: WARNING: ThreadSanitizer
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39 // CHECK: Done.
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