1*7c3d14c8STreehugger Robot // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s 2*7c3d14c8STreehugger Robot #include "test.h" 3*7c3d14c8STreehugger Robot 4*7c3d14c8STreehugger Robot int X = 0; 5*7c3d14c8STreehugger Robot Thread(void * p)6*7c3d14c8STreehugger Robotvoid *Thread(void *p) { 7*7c3d14c8STreehugger Robot X = 42; 8*7c3d14c8STreehugger Robot barrier_wait(&barrier); 9*7c3d14c8STreehugger Robot return 0; 10*7c3d14c8STreehugger Robot } 11*7c3d14c8STreehugger Robot main()12*7c3d14c8STreehugger Robotint main() { 13*7c3d14c8STreehugger Robot barrier_init(&barrier, 2); 14*7c3d14c8STreehugger Robot pthread_t t; 15*7c3d14c8STreehugger Robot sleep(1); // must not appear in the report 16*7c3d14c8STreehugger Robot pthread_create(&t, 0, Thread, 0); 17*7c3d14c8STreehugger Robot barrier_wait(&barrier); 18*7c3d14c8STreehugger Robot X = 43; 19*7c3d14c8STreehugger Robot pthread_join(t, 0); 20*7c3d14c8STreehugger Robot return 0; 21*7c3d14c8STreehugger Robot } 22*7c3d14c8STreehugger Robot 23*7c3d14c8STreehugger Robot // CHECK: WARNING: ThreadSanitizer: data race 24*7c3d14c8STreehugger Robot // CHECK-NOT: As if synchronized via sleep 25