1*bcaeed49SFangrui Song // RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
2*bcaeed49SFangrui Song #include "java.h"
3*bcaeed49SFangrui Song
4*bcaeed49SFangrui Song int const kHeapSize = 1024 * 1024;
5*bcaeed49SFangrui Song
stress(jptr addr)6*bcaeed49SFangrui Song void stress(jptr addr) {
7*bcaeed49SFangrui Song for (jptr sz = 8; sz <= 32; sz <<= 1) {
8*bcaeed49SFangrui Song for (jptr i = 0; i < kHeapSize / 4 / sz; i++) {
9*bcaeed49SFangrui Song __tsan_java_alloc(addr + i * sz, sz);
10*bcaeed49SFangrui Song }
11*bcaeed49SFangrui Song __tsan_java_move(addr, addr + kHeapSize / 2, kHeapSize / 4);
12*bcaeed49SFangrui Song __tsan_java_free(addr + kHeapSize / 2, kHeapSize / 4);
13*bcaeed49SFangrui Song }
14*bcaeed49SFangrui Song }
15*bcaeed49SFangrui Song
Thread(void * p)16*bcaeed49SFangrui Song void *Thread(void *p) {
17*bcaeed49SFangrui Song stress((jptr)p);
18*bcaeed49SFangrui Song return 0;
19*bcaeed49SFangrui Song }
20*bcaeed49SFangrui Song
main()21*bcaeed49SFangrui Song int main() {
22*bcaeed49SFangrui Song jptr jheap = (jptr)malloc(kHeapSize + 8) + 8;
23*bcaeed49SFangrui Song __tsan_java_init(jheap, kHeapSize);
24*bcaeed49SFangrui Song pthread_t th;
25*bcaeed49SFangrui Song pthread_create(&th, 0, Thread, (void*)(jheap + kHeapSize / 4));
26*bcaeed49SFangrui Song stress(jheap);
27*bcaeed49SFangrui Song pthread_join(th, 0);
28*bcaeed49SFangrui Song if (__tsan_java_fini() != 0) {
29*bcaeed49SFangrui Song fprintf(stderr, "FAILED\n");
30*bcaeed49SFangrui Song return 1;
31*bcaeed49SFangrui Song }
32*bcaeed49SFangrui Song fprintf(stderr, "DONE\n");
33*bcaeed49SFangrui Song return 0;
34*bcaeed49SFangrui Song }
35*bcaeed49SFangrui Song
36*bcaeed49SFangrui Song // CHECK-NOT: WARNING: ThreadSanitizer: data race
37*bcaeed49SFangrui Song // CHECK-NOT: FAILED
38*bcaeed49SFangrui Song // CHECK: DONE
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