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: %env_tsan_opts=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 // Some aarch64 kernels do not support non executable write pages 9 // REQUIRES: stable-runtime 10 11 #ifndef LIB 12 13 #include <dlfcn.h> 14 #include <stdlib.h> 15 #include <stdio.h> 16 #include <errno.h> 17 #include <libgen.h> 18 #include <string> 19 20 int main(int argc, char **argv) { 21 std::string lib = std::string(dirname(argv[0])) + "/libignore_lib3.so"; 22 void *h = dlopen(lib.c_str(), RTLD_GLOBAL | RTLD_NOW); 23 dlclose(h); 24 fprintf(stderr, "OK\n"); 25 } 26 27 #else // #ifdef LIB 28 29 extern "C" void libfunc() { 30 } 31 32 #endif // #ifdef LIB 33 34 // CHECK: ThreadSanitizer: library {{.*}} that was matched against called_from_lib suppression 'ignore_lib3.so' is unloaded 35 // CHECK-NOT: OK 36 37
