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