diff options
author | Alexey Samsonov <samsonov@google.com> | 2014-02-14 14:35:48 +0000 |
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committer | Alexey Samsonov <samsonov@google.com> | 2014-02-14 14:35:48 +0000 |
commit | e951fe4eec98de20b9b843f97fec2cca84c48b9c (patch) | |
tree | e5d5d3dbf11683bfde3cfd829ccea8ddbbc0dd0e /test/tsan/java_lock_rec.cc | |
parent | ba2d0d7b386f38c97eee11749f2fc75449c2b253 (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.cc | 54 |
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 |