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authorAlexey Samsonov <samsonov@google.com>2014-02-14 14:35:48 +0000
committerAlexey Samsonov <samsonov@google.com>2014-02-14 14:35:48 +0000
commite951fe4eec98de20b9b843f97fec2cca84c48b9c (patch)
treee5d5d3dbf11683bfde3cfd829ccea8ddbbc0dd0e /test/tsan/java_lock_rec.cc
parentba2d0d7b386f38c97eee11749f2fc75449c2b253 (diff)
Move TSan lit-tests under test/tsan
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@201414 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/tsan/java_lock_rec.cc')
-rw-r--r--test/tsan/java_lock_rec.cc54
1 files changed, 54 insertions, 0 deletions
diff --git a/test/tsan/java_lock_rec.cc b/test/tsan/java_lock_rec.cc
new file mode 100644
index 000000000..5cc80d4a3
--- /dev/null
+++ b/test/tsan/java_lock_rec.cc
@@ -0,0 +1,54 @@
+// RUN: %clangxx_tsan -O1 %s -o %t && %t 2>&1 | FileCheck %s
+#include "java.h"
+#include <unistd.h>
+
+jptr varaddr;
+jptr lockaddr;
+
+void *Thread(void *p) {
+ __tsan_java_mutex_lock(lockaddr);
+ __tsan_java_mutex_lock(lockaddr);
+ *(int*)varaddr = 42;
+ int rec = __tsan_java_mutex_unlock_rec(lockaddr);
+ if (rec != 2) {
+ printf("FAILED 0 rec=%d\n", rec);
+ exit(1);
+ }
+ sleep(2);
+ __tsan_java_mutex_lock_rec(lockaddr, rec);
+ if (*(int*)varaddr != 43) {
+ printf("FAILED 3 var=%d\n", *(int*)varaddr);
+ exit(1);
+ }
+ __tsan_java_mutex_unlock(lockaddr);
+ __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;
+ *(int*)varaddr = 0;
+ lockaddr = (jptr)jheap + 8;
+ pthread_t th;
+ pthread_create(&th, 0, Thread, 0);
+ sleep(1);
+ __tsan_java_mutex_lock(lockaddr);
+ if (*(int*)varaddr != 42) {
+ printf("FAILED 1 var=%d\n", *(int*)varaddr);
+ exit(1);
+ }
+ *(int*)varaddr = 43;
+ __tsan_java_mutex_unlock(lockaddr);
+ pthread_join(th, 0);
+ __tsan_java_free((jptr)jheap, kBlockSize);
+ printf("OK\n");
+ return __tsan_java_fini();
+}
+
+// CHECK-NOT: WARNING: ThreadSanitizer: data race
+// CHECK-NOT: FAILED