1 // RUN: rm -rf %t-dir
2 // RUN: mkdir %t-dir
3 
4 // RUN: %clangxx_tsan -O1 %s -DLIB -fPIC -fno-sanitize=thread -shared -o %t-dir/libignore_lib2_0.so
5 // RUN: %clangxx_tsan -O1 %s -DLIB -fPIC -fno-sanitize=thread -shared -o %t-dir/libignore_lib2_1.so
6 // RUN: %clangxx_tsan -O1 %s %link_libcxx_tsan -o %t-dir/executable
7 // RUN: %env_tsan_opts=suppressions='%s.supp' %deflake %run %t-dir/executable | FileCheck %s
8 
9 // Tests that called_from_lib suppression matched against 2 libraries
10 // causes program crash (this is not supported).
11 
12 #ifndef LIB
13 
14 #include <dlfcn.h>
15 #include <stdio.h>
16 #include <libgen.h>
17 #include <string>
18 
main(int argc,char ** argv)19 int main(int argc, char **argv) {
20   std::string lib0 = std::string(dirname(argv[0])) + "/libignore_lib2_0.so";
21   std::string lib1 = std::string(dirname(argv[0])) + "/libignore_lib2_1.so";
22   dlopen(lib0.c_str(), RTLD_GLOBAL | RTLD_NOW);
23   dlopen(lib1.c_str(), RTLD_GLOBAL | RTLD_NOW);
24   fprintf(stderr, "OK\n");
25 }
26 
27 #else  // #ifdef LIB
28 
libfunc()29 extern "C" void libfunc() {
30 }
31 
32 #endif  // #ifdef LIB
33 
34 // CHECK: ThreadSanitizer: called_from_lib suppression 'ignore_lib2' is matched against 2 libraries
35 // CHECK-NOT: OK
36 
37