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tsan: add a test for java memory move 

llvm-svn: 170893
This commit is contained in:
Dmitry Vyukov 2012-12-21 13:28:39 +00:00
parent e6b51986bb
commit c55ed2f538
1 changed files with 31 additions and 0 deletions
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31
compiler-rt/lib/tsan/lit_tests/java_race_move.cc Normal file
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// RUN: %clangxx_tsan -O1 %s -o %t && %t 2>&1 | FileCheck %s
#include "java.h"
jptr varaddr;
jptr varaddr2;
void *Thread(void *p) {
sleep(1);
*(int*)varaddr2 = 42;
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 + 16;
varaddr2 = varaddr + kMove;
pthread_t th;
pthread_create(&th, 0, Thread, 0);
*(int*)varaddr = 43;
__tsan_java_move(varaddr, varaddr2, kBlockSize);
pthread_join(th, 0);
__tsan_java_free(varaddr2, kBlockSize);
return __tsan_java_fini();
}
// CHECK: WARNING: ThreadSanitizer: data race