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