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// RUN: %clangxx_tsan -O1 %s -o %t && %t 2>&1 | FileCheck %s
#include <pthread.h>
#include <stdlib.h>
#include <unistd.h>
extern "C" {
typedef unsigned long jptr; // NOLINT
void __tsan_java_init(jptr heap_begin, jptr heap_size);
int __tsan_java_fini();
void __tsan_java_alloc(jptr ptr, jptr size);
void __tsan_java_free(jptr ptr, jptr size);
void __tsan_java_move(jptr src, jptr dst, jptr size);
void __tsan_java_mutex_lock(jptr addr);
void __tsan_java_mutex_unlock(jptr addr);
void __tsan_java_mutex_read_lock(jptr addr);
void __tsan_java_mutex_read_unlock(jptr addr);
}
jptr varaddr;
jptr lockaddr;
jptr varaddr2;
jptr lockaddr2;
void *Thread(void *p) {
sleep(1);
__tsan_java_mutex_lock(lockaddr2);
*(int*)varaddr2 = 42;
__tsan_java_mutex_unlock(lockaddr2);
return 0;
}
int main() {
int const kHeapSize = 1024 * 1024;
void *jheap = malloc(kHeapSize);
__tsan_java_init((jptr)jheap, kHeapSize);
const int kBlockSize = 64;
int const kMove = 1024;
__tsan_java_alloc((jptr)jheap, kBlockSize);
varaddr = (jptr)jheap;
lockaddr = (jptr)jheap + 46;
varaddr2 = varaddr + kMove;
lockaddr2 = lockaddr + kMove;
pthread_t th;
pthread_create(&th, 0, Thread, 0);
__tsan_java_mutex_lock(lockaddr);
*(int*)varaddr = 43;
__tsan_java_mutex_unlock(lockaddr);
__tsan_java_move(varaddr, varaddr2, kBlockSize);
pthread_join(th, 0);
__tsan_java_free(varaddr2, kBlockSize);
return __tsan_java_fini();
}
// CHECK-NOT: WARNING: ThreadSanitizer: data race
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