diff options
Diffstat (limited to 'lib/tsan/lit_tests/java_lock_move.cc')
-rw-r--r-- | lib/tsan/lit_tests/java_lock_move.cc | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/lib/tsan/lit_tests/java_lock_move.cc b/lib/tsan/lit_tests/java_lock_move.cc new file mode 100644 index 000000000000..48b5a5a88d33 --- /dev/null +++ b/lib/tsan/lit_tests/java_lock_move.cc @@ -0,0 +1,40 @@ +// RUN: %clangxx_tsan -O1 %s -o %t && %t 2>&1 | FileCheck %s +#include "java.h" + +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); + printf("OK\n"); + return __tsan_java_fini(); +} + +// CHECK-NOT: WARNING: ThreadSanitizer: data race |