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tsan: update mutex lock table for java 

llvm-svn: 170885
This commit is contained in:
Dmitry Vyukov 2012-12-21 11:30:41 +00:00
parent 22be55e47e
commit 58e617121d
1 changed files with 46 additions and 0 deletions
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46
compiler-rt/lib/tsan/lit_tests/java_lock.cc Normal file
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// RUN: %clangxx_tsan -O1 %s -o %t && %t 2>&1 | FileCheck %s
#include <pthread.h>
#include <stdlib.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;
void *Thread(void *p) {
__tsan_java_mutex_lock(lockaddr);
*(int*)varaddr = 42;
__tsan_java_mutex_unlock(lockaddr);
return 0;
}
int main() {
int const kHeapSize = 1024 * 1024;
void *jheap = malloc(kHeapSize);
__tsan_java_init((jptr)jheap, kHeapSize);
const int kBlockSize = 16;
__tsan_java_alloc((jptr)jheap, kBlockSize);
varaddr = (jptr)jheap;
lockaddr = (jptr)jheap + 8;
pthread_t th;
pthread_create(&th, 0, Thread, 0);
__tsan_java_mutex_lock(lockaddr);
*(int*)varaddr = 43;
__tsan_java_mutex_unlock(lockaddr);
pthread_join(th, 0);
__tsan_java_free((jptr)jheap, kBlockSize);
return __tsan_java_fini();
}
// CHECK-NOT: WARNING: ThreadSanitizer: data race