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| // 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
|