forked from OSchip/llvm-project
38 lines
1.0 KiB
C++
38 lines
1.0 KiB
C++
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// RUN: %clangxx_tsan -O1 %s -o %t && %t 2>&1 | FileCheck %s
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#include <pthread.h>
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#include <stdlib.h>
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extern "C" {
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typedef unsigned long jptr; // NOLINT
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void __tsan_java_init(jptr heap_begin, jptr heap_size);
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int __tsan_java_fini();
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void __tsan_java_alloc(jptr ptr, jptr size);
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void __tsan_java_free(jptr ptr, jptr size);
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void __tsan_java_move(jptr src, jptr dst, jptr size);
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void __tsan_java_mutex_lock(jptr addr);
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void __tsan_java_mutex_unlock(jptr addr);
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void __tsan_java_mutex_read_lock(jptr addr);
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void __tsan_java_mutex_read_unlock(jptr addr);
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}
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void *Thread(void *p) {
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*(int*)p = 42;
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return 0;
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}
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int main() {
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int const kHeapSize = 1024 * 1024;
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void *jheap = malloc(kHeapSize);
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__tsan_java_init((jptr)jheap, kHeapSize);
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const int kBlockSize = 16;
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__tsan_java_alloc((jptr)jheap, kBlockSize);
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pthread_t th;
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pthread_create(&th, 0, Thread, jheap);
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*(int*)jheap = 43;
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pthread_join(th, 0);
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__tsan_java_free((jptr)jheap, kBlockSize);
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return __tsan_java_fini();
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}
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// CHECK: WARNING: ThreadSanitizer: data race
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