1*bcaeed49SFangrui Song // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s 2*bcaeed49SFangrui Song #include "java.h" 3*bcaeed49SFangrui Song Thread(void * p)4*bcaeed49SFangrui Songvoid *Thread(void *p) { 5*bcaeed49SFangrui Song barrier_wait(&barrier); 6*bcaeed49SFangrui Song *(int*)p = 42; 7*bcaeed49SFangrui Song return 0; 8*bcaeed49SFangrui Song } 9*bcaeed49SFangrui Song main()10*bcaeed49SFangrui Songint main() { 11*bcaeed49SFangrui Song barrier_init(&barrier, 2); 12*bcaeed49SFangrui Song int const kHeapSize = 1024 * 1024; 13*bcaeed49SFangrui Song jptr jheap = (jptr)malloc(kHeapSize + 8) + 8; 14*bcaeed49SFangrui Song __tsan_java_init(jheap, kHeapSize); 15*bcaeed49SFangrui Song const int kBlockSize = 16; 16*bcaeed49SFangrui Song __tsan_java_alloc(jheap, kBlockSize); 17*bcaeed49SFangrui Song pthread_t th; 18*bcaeed49SFangrui Song pthread_create(&th, 0, Thread, (void*)jheap); 19*bcaeed49SFangrui Song *(int*)jheap = 43; 20*bcaeed49SFangrui Song barrier_wait(&barrier); 21*bcaeed49SFangrui Song pthread_join(th, 0); 22*bcaeed49SFangrui Song __tsan_java_free(jheap, kBlockSize); 23*bcaeed49SFangrui Song fprintf(stderr, "DONE\n"); 24*bcaeed49SFangrui Song return __tsan_java_fini(); 25*bcaeed49SFangrui Song } 26*bcaeed49SFangrui Song 27*bcaeed49SFangrui Song // CHECK: WARNING: ThreadSanitizer: data race 28*bcaeed49SFangrui Song // CHECK: DONE 29