|  | // RUN: rm -rf %t-dir | 
|  | // RUN: mkdir %t-dir | 
|  |  | 
|  | // RUN: %clangxx_tsan -O1 %s -DLIB -fPIC -fno-sanitize=thread -shared -o %t-dir/libignore_lib2_0.so | 
|  | // RUN: %clangxx_tsan -O1 %s -DLIB -fPIC -fno-sanitize=thread -shared -o %t-dir/libignore_lib2_1.so | 
|  | // RUN: %clangxx_tsan -O1 %s %link_libcxx_tsan -o %t-dir/executable | 
|  | // RUN: %env_tsan_opts=suppressions='%s.supp' %deflake %run %t-dir/executable | FileCheck %s | 
|  |  | 
|  | // Tests that called_from_lib suppression matched against 2 libraries | 
|  | // causes program crash (this is not supported). | 
|  |  | 
|  | #ifndef LIB | 
|  |  | 
|  | #include <dlfcn.h> | 
|  | #include <stdio.h> | 
|  | #include <libgen.h> | 
|  | #include <string> | 
|  |  | 
|  | int main(int argc, char **argv) { | 
|  | std::string lib0 = std::string(dirname(argv[0])) + "/libignore_lib2_0.so"; | 
|  | std::string lib1 = std::string(dirname(argv[0])) + "/libignore_lib2_1.so"; | 
|  | dlopen(lib0.c_str(), RTLD_GLOBAL | RTLD_NOW); | 
|  | dlopen(lib1.c_str(), RTLD_GLOBAL | RTLD_NOW); | 
|  | fprintf(stderr, "OK\n"); | 
|  | } | 
|  |  | 
|  | #else  // #ifdef LIB | 
|  |  | 
|  | extern "C" void libfunc() { | 
|  | } | 
|  |  | 
|  | #endif  // #ifdef LIB | 
|  |  | 
|  | // CHECK: ThreadSanitizer: called_from_lib suppression 'ignore_lib2' is matched against 2 libraries | 
|  | // CHECK-NOT: OK | 
|  |  |