1 // RUN: %clangxx_tsan %s -o %t 2 // RUN: %deflake %run %t | FileCheck %s 3 // RUN: %deflake %run %t 1 | FileCheck %s 4 5 #include <pthread.h> 6 #include <stdio.h> 7 #include <stdlib.h> 8 9 int main(int argc, char *argv[]) { 10 pthread_mutex_t *m = (pthread_mutex_t *)malloc(sizeof(pthread_mutex_t)); 11 pthread_mutex_init(m, 0); 12 pthread_mutex_lock(m); 13 pthread_mutex_unlock(m); 14 pthread_mutex_destroy(m); 15 16 if (argc > 1 && argv[1][0] == '1') 17 free(m); 18 19 pthread_mutex_lock(m); 20 // CHECK: WARNING: ThreadSanitizer: use of an invalid mutex (e.g. uninitialized or destroyed) 21 // CHECK: #0 pthread_mutex_lock 22 // CHECK: #1 main {{.*}}mutex_lock_destroyed.cc:[[@LINE-3]] 23 24 return 0; 25 } 26