| 1 | // RUN: rm -rf %t-dir |
|---|---|
| 2 | // RUN: mkdir %t-dir |
| 3 | |
| 4 | // RUN: %clangxx_tsan -O1 %s -DLIB -fPIC -fno-sanitize=thread -shared -o %t-dir/libignore_lib3.so |
| 5 | // RUN: %clangxx_tsan -O1 %s %link_libcxx_tsan -o %t-dir/executable |
| 6 | // RUN: %env_tsan_opts=suppressions='%s.supp' %deflake %run %t-dir/executable | FileCheck %s |
| 7 | |
| 8 | // Tests that unloading of a library matched against called_from_lib suppression |
| 9 | // causes program crash (this is not supported). |
| 10 | |
| 11 | // Some aarch64 kernels do not support non executable write pages |
| 12 | // REQUIRES: stable-runtime |
| 13 | |
| 14 | #ifndef LIB |
| 15 | |
| 16 | #include <dlfcn.h> |
| 17 | #include <stdlib.h> |
| 18 | #include <stdio.h> |
| 19 | #include <errno.h> |
| 20 | #include <libgen.h> |
| 21 | #include <string> |
| 22 | |
| 23 | int main(int argc, char **argv) { |
| 24 | std::string lib = std::string(dirname(argv[0])) + "/libignore_lib3.so"; |
| 25 | void *h = dlopen(lib.c_str(), RTLD_GLOBAL | RTLD_NOW); |
| 26 | dlclose(handle: h); |
| 27 | fprintf(stderr, format: "OK\n"); |
| 28 | } |
| 29 | |
| 30 | #else // #ifdef LIB |
| 31 | |
| 32 | extern "C"void libfunc() { |
| 33 | } |
| 34 | |
| 35 | #endif // #ifdef LIB |
| 36 | |
| 37 | // CHECK: ThreadSanitizer: library {{.*}} that was matched against called_from_lib suppression 'ignore_lib3.so' is unloaded |
| 38 | // CHECK-NOT: OK |
| 39 | |
| 40 |