From e951fe4eec98de20b9b843f97fec2cca84c48b9c Mon Sep 17 00:00:00 2001 From: Alexey Samsonov Date: Fri, 14 Feb 2014 14:35:48 +0000 Subject: 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 --- test/tsan/mutexset2.cc | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 test/tsan/mutexset2.cc (limited to 'test/tsan/mutexset2.cc') diff --git a/test/tsan/mutexset2.cc b/test/tsan/mutexset2.cc new file mode 100644 index 000000000..9ccf952b0 --- /dev/null +++ b/test/tsan/mutexset2.cc @@ -0,0 +1,37 @@ +// RUN: %clangxx_tsan -O1 %s -o %t && not %t 2>&1 | FileCheck %s +#include +#include +#include + +int Global; +pthread_mutex_t mtx; + +void *Thread1(void *x) { + pthread_mutex_lock(&mtx); + Global++; + pthread_mutex_unlock(&mtx); + return NULL; +} + +void *Thread2(void *x) { + sleep(1); + Global--; + return NULL; +} + +int main() { + // CHECK: WARNING: ThreadSanitizer: data race + // CHECK: Write of size 4 at {{.*}} by thread T2: + // CHECK: Previous write of size 4 at {{.*}} by thread T1 + // CHECK: (mutexes: write [[M1:M[0-9]+]]): + // CHECK: Mutex [[M1]] created at: + // CHECK: #0 pthread_mutex_init + // CHECK: #1 main {{.*}}/mutexset2.cc:[[@LINE+1]] + pthread_mutex_init(&mtx, 0); + pthread_t t[2]; + pthread_create(&t[0], NULL, Thread1, NULL); + pthread_create(&t[1], NULL, Thread2, NULL); + pthread_join(t[0], NULL); + pthread_join(t[1], NULL); + pthread_mutex_destroy(&mtx); +} -- cgit v1.2.3