test/asan/TestCases/Darwin/reexec-insert-libraries-env.cc

   1 // Make sure ASan doesn't hang in an exec loop if DYLD_INSERT_LIBRARIES is set.
   2 // This is a regression test for
   3 // https://code.google.com/p/address-sanitizer/issues/detail?id=159
   4
   5 // RUN: %clangxx_asan %s -o %t
   6 // RUN: %clangxx %p/../SharedLibs/darwin-dummy-shared-lib-so.cc \
   7 // RUN:     -dynamiclib -o darwin-dummy-shared-lib-so.dylib
   8
   9 // FIXME: the following command line may hang in the case of a regression.
  10 // RUN: DYLD_INSERT_LIBRARIES=darwin-dummy-shared-lib-so.dylib \
  11 // RUN:     %t 2>&1 | FileCheck %s || exit 1
  12 #include <stdio.h>
  13 #include <stdlib.h>
  14
  15 int main() {
  16   const char kEnvName[] = "DYLD_INSERT_LIBRARIES";
  17   printf("%s=%s\n", kEnvName, getenv(kEnvName));
  18   // CHECK: {{DYLD_INSERT_LIBRARIES=.*darwin-dummy-shared-lib-so.dylib.*}}
  19   return 0;
  20 }