| // RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s |
| #include "java.h" |
| |
| int const kHeapSize = 1024 * 1024; |
| |
| void stress(jptr addr) { |
| for (jptr sz = 8; sz <= 32; sz <<= 1) { |
| for (jptr i = 0; i < kHeapSize / 4 / sz; i++) { |
| __tsan_java_alloc(addr + i * sz, sz); |
| } |
| __tsan_java_move(addr, addr + kHeapSize / 2, kHeapSize / 4); |
| __tsan_java_free(addr + kHeapSize / 2, kHeapSize / 4); |
| } |
| } |
| |
| void *Thread(void *p) { |
| stress((jptr)p); |
| return 0; |
| } |
| |
| int main() { |
| jptr jheap = (jptr)malloc(kHeapSize + 8) + 8; |
| __tsan_java_init(jheap, kHeapSize); |
| pthread_t th; |
| pthread_create(&th, 0, Thread, (void*)(jheap + kHeapSize / 4)); |
| stress(jheap); |
| pthread_join(th, 0); |
| if (__tsan_java_fini() != 0) { |
| fprintf(stderr, "FAILED\n"); |
| return 1; |
| } |
| fprintf(stderr, "DONE\n"); |
| return 0; |
| } |
| |
| // CHECK-NOT: WARNING: ThreadSanitizer: data race |
| // CHECK-NOT: FAILED |
| // CHECK: DONE |