15d71de26cedae3dafc17449fe0182045c0bd20e8Stephen Hines// RUN: %clang_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s 2da4edd850db1a333c15fc3b0abc01a2e8d2f08feKostya Serebryany#include <pthread.h> 3da4edd850db1a333c15fc3b0abc01a2e8d2f08feKostya Serebryany#include <stdio.h> 42d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#include <unistd.h> 5da4edd850db1a333c15fc3b0abc01a2e8d2f08feKostya Serebryany 6da4edd850db1a333c15fc3b0abc01a2e8d2f08feKostya Serebryanyint Global; 7da4edd850db1a333c15fc3b0abc01a2e8d2f08feKostya Serebryany 8da4edd850db1a333c15fc3b0abc01a2e8d2f08feKostya Serebryanyvoid *Thread1(void *x) { 92d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines sleep(1); 10da4edd850db1a333c15fc3b0abc01a2e8d2f08feKostya Serebryany Global = 42; 11da4edd850db1a333c15fc3b0abc01a2e8d2f08feKostya Serebryany return NULL; 12da4edd850db1a333c15fc3b0abc01a2e8d2f08feKostya Serebryany} 13da4edd850db1a333c15fc3b0abc01a2e8d2f08feKostya Serebryany 14da4edd850db1a333c15fc3b0abc01a2e8d2f08feKostya Serebryanyvoid *Thread2(void *x) { 15da4edd850db1a333c15fc3b0abc01a2e8d2f08feKostya Serebryany Global = 43; 16da4edd850db1a333c15fc3b0abc01a2e8d2f08feKostya Serebryany return NULL; 17da4edd850db1a333c15fc3b0abc01a2e8d2f08feKostya Serebryany} 18da4edd850db1a333c15fc3b0abc01a2e8d2f08feKostya Serebryany 19da4edd850db1a333c15fc3b0abc01a2e8d2f08feKostya Serebryanyint main() { 20da4edd850db1a333c15fc3b0abc01a2e8d2f08feKostya Serebryany pthread_t t[2]; 21da4edd850db1a333c15fc3b0abc01a2e8d2f08feKostya Serebryany pthread_create(&t[0], NULL, Thread1, NULL); 22da4edd850db1a333c15fc3b0abc01a2e8d2f08feKostya Serebryany pthread_create(&t[1], NULL, Thread2, NULL); 23da4edd850db1a333c15fc3b0abc01a2e8d2f08feKostya Serebryany pthread_join(t[0], NULL); 24da4edd850db1a333c15fc3b0abc01a2e8d2f08feKostya Serebryany pthread_join(t[1], NULL); 25da4edd850db1a333c15fc3b0abc01a2e8d2f08feKostya Serebryany return 0; 26da4edd850db1a333c15fc3b0abc01a2e8d2f08feKostya Serebryany} 27da4edd850db1a333c15fc3b0abc01a2e8d2f08feKostya Serebryany 28da4edd850db1a333c15fc3b0abc01a2e8d2f08feKostya Serebryany// CHECK: WARNING: ThreadSanitizer: data race 295d71de26cedae3dafc17449fe0182045c0bd20e8Stephen Hines 30