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150
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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 void *Thread(void *p) {
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5 barrier_wait(&barrier);
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6 __tsan_java_finalize();
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7 *(int*)p = 42;
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8 return 0;
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9 }
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10
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11 int main() {
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12 barrier_init(&barrier, 2);
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13 int const kHeapSize = 1024 * 1024;
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14 jptr jheap = (jptr)malloc(kHeapSize + 8) + 8;
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15 __tsan_java_init(jheap, kHeapSize);
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16 const int kBlockSize = 16;
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17 __tsan_java_alloc(jheap, kBlockSize);
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18 pthread_t th;
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19 pthread_create(&th, 0, Thread, (void*)jheap);
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20 *(int*)jheap = 43;
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21 barrier_wait(&barrier);
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22 pthread_join(th, 0);
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23 __tsan_java_free(jheap, kBlockSize);
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24 fprintf(stderr, "DONE\n");
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25 return __tsan_java_fini();
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26 }
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27
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28 // CHECK-NOT: WARNING: ThreadSanitizer: data race
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29 // CHECK: DONE
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