ignore_lib3.cc revision 2d1fdb26e458c4ddc04155c1d421bced3ba90cd0 
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" not %run %t 2>&1 | 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
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
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