1*7c3d14c8STreehugger Robot // RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s 2*7c3d14c8STreehugger Robot #include <pthread.h> 3*7c3d14c8STreehugger Robot #include <stdlib.h> 4*7c3d14c8STreehugger Robot #include <stdio.h> 5*7c3d14c8STreehugger Robot 6*7c3d14c8STreehugger Robot struct Cache { 7*7c3d14c8STreehugger Robot int x; CacheCache8*7c3d14c8STreehugger Robot explicit Cache(int x) 9*7c3d14c8STreehugger Robot : x(x) { 10*7c3d14c8STreehugger Robot } 11*7c3d14c8STreehugger Robot }; 12*7c3d14c8STreehugger Robot foo(Cache * my)13*7c3d14c8STreehugger Robotvoid foo(Cache *my) { 14*7c3d14c8STreehugger Robot static Cache *c = my ? my : new Cache(rand()); 15*7c3d14c8STreehugger Robot if (c->x >= RAND_MAX) 16*7c3d14c8STreehugger Robot exit(1); 17*7c3d14c8STreehugger Robot } 18*7c3d14c8STreehugger Robot Thread(void * x)19*7c3d14c8STreehugger Robotvoid *Thread(void *x) { 20*7c3d14c8STreehugger Robot foo(new Cache(rand())); 21*7c3d14c8STreehugger Robot return 0; 22*7c3d14c8STreehugger Robot } 23*7c3d14c8STreehugger Robot main()24*7c3d14c8STreehugger Robotint main() { 25*7c3d14c8STreehugger Robot pthread_t t[2]; 26*7c3d14c8STreehugger Robot pthread_create(&t[0], 0, Thread, 0); 27*7c3d14c8STreehugger Robot pthread_create(&t[1], 0, Thread, 0); 28*7c3d14c8STreehugger Robot pthread_join(t[0], 0); 29*7c3d14c8STreehugger Robot pthread_join(t[1], 0); 30*7c3d14c8STreehugger Robot fprintf(stderr, "PASS\n"); 31*7c3d14c8STreehugger Robot } 32*7c3d14c8STreehugger Robot 33*7c3d14c8STreehugger Robot // CHECK-NOT: WARNING: ThreadSanitizer: data race 34