1 // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s 2 #include "test.h" 3 4 int Global; 5 __thread int huge[1024*1024]; 6 7 void *Thread1(void *x) { 8 barrier_wait(&barrier); 9 Global++; 10 return NULL; 11 } 12 13 void *Thread2(void *x) { 14 pthread_mutex_t *mtx = new pthread_mutex_t; 15 pthread_mutex_init(mtx, 0); 16 pthread_mutex_lock(mtx); 17 Global--; 18 pthread_mutex_unlock(mtx); 19 pthread_mutex_destroy(mtx); 20 delete mtx; 21 barrier_wait(&barrier); 22 return NULL; 23 } 24 25 int main() { 26 barrier_init(&barrier, 2); 27 pthread_t t[2]; 28 pthread_create(&t[0], NULL, Thread1, NULL); 29 pthread_create(&t[1], NULL, Thread2, NULL); 30 pthread_join(t[0], NULL); 31 pthread_join(t[1], NULL); 32 } 33 34 // CHECK: WARNING: ThreadSanitizer: data race 35 // CHECK: Write of size 4 at {{.*}} by thread T1: 36 // CHECK: Previous write of size 4 at {{.*}} by thread T2 37 // CHECK: (mutexes: write [[M1:M[0-9]+]]): 38 // CHECK: Mutex [[M1]] is already destroyed 39 // CHECK-NOT: Mutex {{.*}} created at 40 41
