llvm-project/compiler-rt/test/tsan/ignore_lib2.cc

34 lines
1.0 KiB
C++

// RUN: %clangxx_tsan -O1 %s -DLIB -fPIC -fno-sanitize=thread -shared -o %T/libignore_lib2_0.so
// RUN: %clangxx_tsan -O1 %s -DLIB -fPIC -fno-sanitize=thread -shared -o %T/libignore_lib2_1.so
// RUN: %clangxx_tsan -O1 %s -o %t
// RUN: TSAN_OPTIONS="$TSAN_OPTIONS suppressions='%s.supp'" %deflake %run %t | 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