diff options
author | Fangrui Song <maskray@google.com> | 2019-08-02 07:18:07 +0000 |
---|---|---|
committer | Fangrui Song <maskray@google.com> | 2019-08-02 07:18:07 +0000 |
commit | 681afdf34bb16d1877e984d157dfd389a79a4256 (patch) | |
tree | 4e3f851ec5cfff68846a11843577ed58d4fdd430 /test/tsan/mop_with_offset2.cpp | |
parent | 871e3822d6679af8f7cfa763b65258e47f2d8d69 (diff) | |
download | compiler-rt-681afdf34bb16d1877e984d157dfd389a79a4256.tar.gz |
compiler-rt: Rename .cc file in test/tsan to .cpp
Like r367463, but for test/tsan.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@367656 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/tsan/mop_with_offset2.cpp')
-rw-r--r-- | test/tsan/mop_with_offset2.cpp | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/test/tsan/mop_with_offset2.cpp b/test/tsan/mop_with_offset2.cpp new file mode 100644 index 000000000..73c53f512 --- /dev/null +++ b/test/tsan/mop_with_offset2.cpp @@ -0,0 +1,35 @@ +// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s +#include "test.h" + +void *Thread1(void *x) { + barrier_wait(&barrier); + int *p = (int*)x; + p[0] = 1; + return NULL; +} + +void *Thread2(void *x) { + char *p = (char*)x; + p[2] = 1; + barrier_wait(&barrier); + return NULL; +} + +int main() { + barrier_init(&barrier, 2); + int *data = new int(42); + print_address("ptr1=", 1, data); + print_address("ptr2=", 1, (char*)data + 2); + pthread_t t[2]; + pthread_create(&t[0], NULL, Thread1, data); + pthread_create(&t[1], NULL, Thread2, data); + pthread_join(t[0], NULL); + pthread_join(t[1], NULL); + delete data; +} + +// CHECK: ptr1=[[PTR1:0x[0-9,a-f]+]] +// CHECK: ptr2=[[PTR2:0x[0-9,a-f]+]] +// CHECK: WARNING: ThreadSanitizer: data race +// CHECK: Write of size 4 at [[PTR1]] by thread T1: +// CHECK: Previous write of size 1 at [[PTR2]] by thread T2: |