compiler-rt/test/tsan/ignore_lib2.cpp

   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_lib2_0.so
   5 // RUN: %clangxx_tsan -O1 %s -DLIB -fPIC -fno-sanitize=thread -shared -o %t-dir/libignore_lib2_1.so
   6 // RUN: %clangxx_tsan -O1 %s %link_libcxx_tsan -o %t-dir/executable
   7 // RUN: %env_tsan_opts=suppressions='%s.supp' %deflake %run %t-dir/executable | FileCheck %s
   8
   9 // Tests that called_from_lib suppression matched against 2 libraries
  10 // causes program crash (this is not supported).
  11
  12 #ifndef LIB
  13
  14 #include <dlfcn.h>
  15 #include <stdio.h>
  16 #include <libgen.h>
  17 #include <string>
  18
  19 int main(int argc, char **argv) {
  20   std::string lib0 = std::string(dirname(argv[0])) + "/libignore_lib2_0.so";
  21   std::string lib1 = std::string(dirname(argv[0])) + "/libignore_lib2_1.so";
  22   dlopen(lib0.c_str(), RTLD_GLOBAL | RTLD_NOW);
  23   dlopen(lib1.c_str(), RTLD_GLOBAL | RTLD_NOW);
  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: called_from_lib suppression 'ignore_lib2' is matched against 2 libraries
  35 // CHECK-NOT: OK
  36