1 // RUN: %clangxx_tsan -O1 %s -DLIB -fPIC -fno-sanitize=thread -shared -o %T/libignore_lib3.so 2 // RUN: %clangxx_tsan -O1 %s -o %t 3 // RUN: TSAN_OPTIONS="$TSAN_OPTIONS suppressions='%s.supp'" %deflake %run %t | FileCheck %s 4 5 // Tests that unloading of a library matched against called_from_lib suppression 6 // causes program crash (this is not supported). 7 8 #ifndef LIB 9 10 #include <dlfcn.h> 11 #include <stdlib.h> 12 #include <stdio.h> 13 #include <errno.h> 14 #include <libgen.h> 15 #include <string> 16 main(int argc,char ** argv)17int main(int argc, char **argv) { 18 std::string lib = std::string(dirname(argv[0])) + "/libignore_lib3.so"; 19 void *h = dlopen(lib.c_str(), RTLD_GLOBAL | RTLD_NOW); 20 dlclose(h); 21 fprintf(stderr, "OK\n"); 22 } 23 24 #else // #ifdef LIB 25 libfunc()26extern "C" void libfunc() { 27 } 28 29 #endif // #ifdef LIB 30 31 // CHECK: ThreadSanitizer: library {{.*}} that was matched against called_from_lib suppression 'ignore_lib3.so' is unloaded 32 // CHECK-NOT: OK 33 34