| 1 | // RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s |
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| 2 | #include "java.h" |
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| 3 | |
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| 4 | int const kHeapSize = 1024 * 1024; |
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| 5 | |
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| 6 | void stress(jptr addr) { |
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| 7 | for (jptr sz = 8; sz <= 32; sz <<= 1) { |
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| 8 | for (jptr i = 0; i < kHeapSize / 4 / sz; i++) { |
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| 9 | __tsan_java_alloc(ptr: addr + i * sz, size: sz); |
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| 10 | } |
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| 11 | __tsan_java_move(src: addr, dst: addr + kHeapSize / 2, size: kHeapSize / 4); |
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| 12 | __tsan_java_free(ptr: addr + kHeapSize / 2, size: kHeapSize / 4); |
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| 13 | } |
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| 14 | } |
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| 15 | |
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| 16 | void *Thread(void *p) { |
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| 17 | stress(addr: (jptr)p); |
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| 18 | return 0; |
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| 19 | } |
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| 20 | |
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| 21 | int main() { |
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| 22 | jptr jheap = (jptr)malloc(size: kHeapSize + 8) + 8; |
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| 23 | __tsan_java_init(heap_begin: jheap, heap_size: kHeapSize); |
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| 24 | pthread_t th; |
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| 25 | pthread_create(newthread: &th, attr: 0, start_routine: Thread, arg: (void*)(jheap + kHeapSize / 4)); |
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| 26 | stress(addr: jheap); |
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| 27 | pthread_join(th: th, thread_return: 0); |
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| 28 | if (__tsan_java_fini() != 0) { |
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| 29 | fprintf(stderr, format: "FAILED\n" ); |
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| 30 | return 1; |
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| 31 | } |
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| 32 | fprintf(stderr, format: "DONE\n" ); |
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| 33 | return 0; |
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| 34 | } |
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| 35 | |
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| 36 | // CHECK-NOT: WARNING: ThreadSanitizer: data race |
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| 37 | // CHECK-NOT: FAILED |
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| 38 | // CHECK: DONE |
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| 39 | |
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