39 lines · cpp
1// RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s2#include "java.h"3 4int const kHeapSize = 1024 * 1024;5 6void stress(jptr addr) {7 for (jptr sz = 8; sz <= 32; sz <<= 1) {8 for (jptr i = 0; i < kHeapSize / 4 / sz; i++) {9 __tsan_java_alloc(addr + i * sz, sz);10 }11 __tsan_java_move(addr, addr + kHeapSize / 2, kHeapSize / 4);12 __tsan_java_free(addr + kHeapSize / 2, kHeapSize / 4);13 }14}15 16void *Thread(void *p) {17 stress((jptr)p);18 return 0;19}20 21int main() {22 jptr jheap = (jptr)malloc(kHeapSize + 8) + 8;23 __tsan_java_init(jheap, kHeapSize);24 pthread_t th;25 pthread_create(&th, 0, Thread, (void*)(jheap + kHeapSize / 4));26 stress(jheap);27 pthread_join(th, 0);28 if (__tsan_java_fini() != 0) {29 fprintf(stderr, "FAILED\n");30 return 1;31 }32 fprintf(stderr, "DONE\n");33 return 0;34}35 36// CHECK-NOT: WARNING: ThreadSanitizer: data race37// CHECK-NOT: FAILED38// CHECK: DONE39