compiler-rt/test/lsan/TestCases/Linux/fork_and_leak.cpp

   1 // Test that leaks detected after forking without exec().
   2 // RUN: %clangxx_lsan %s -o %t && not %run %t 2>&1 | FileCheck %s
   3
   4 /// Fails on clang-cmake-aarch64-full (glibc 2.27-3ubuntu1.4).
   5 // UNSUPPORTED: aarch64
   6
   7 #include <assert.h>
   8 #include <stdlib.h>
   9 #include <sys/wait.h>
  10 #include <unistd.h>
  11
  12 int main() {
  13   pid_t pid = fork();
  14   assert(pid >= 0);
  15   if (pid > 0) {
  16     int status = 0;
  17     waitpid(pid, &status, 0);
  18     assert(WIFEXITED(status));
  19     return WEXITSTATUS(status);
  20   } else {
  21     for (int i = 0; i < 10; ++i)
  22       malloc(1337);
  23     // CHECK: LeakSanitizer: detected memory leaks
  24   }
  25   return 0;
  26 }
  27