Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim: set ts=8 sts=2 et sw=2 tw=80: */
       3             : /* This Source Code Form is subject to the terms of the Mozilla Public
       4             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       5             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       6             : 
       7             : #include <string>
       8             : #include <sstream>
       9             : #include <stdlib.h>
      10             : #include <stdio.h>
      11             : 
      12             : #ifdef XP_WIN
      13             : #include <process.h>
      14             : #define getpid _getpid
      15             : #else
      16             : #include <unistd.h>
      17             : #endif
      18             : 
      19             : #ifndef mozilla_IntentionalCrash_h
      20             : #define mozilla_IntentionalCrash_h
      21             : 
      22             : namespace mozilla {
      23             : 
      24             : inline void
      25           0 : NoteIntentionalCrash(const char* aProcessType)
      26             : {
      27           0 :   char* f = getenv("XPCOM_MEM_BLOAT_LOG");
      28           0 :   if (!f) {
      29           0 :     return;
      30             :   }
      31             : 
      32           0 :   fprintf(stderr, "XPCOM_MEM_BLOAT_LOG: %s\n", f);
      33             : 
      34           0 :   std::string bloatLog(f);
      35             : 
      36           0 :   bool hasExt = false;
      37           0 :   if (bloatLog.size() >= 4 &&
      38           0 :       bloatLog.compare(bloatLog.size() - 4, 4, ".log", 4) == 0) {
      39           0 :     hasExt = true;
      40           0 :     bloatLog.erase(bloatLog.size() - 4, 4);
      41             :   }
      42             : 
      43           0 :   std::ostringstream bloatName;
      44           0 :   bloatName << bloatLog << "_" << aProcessType << "_pid" << getpid();
      45           0 :   if (hasExt) {
      46           0 :     bloatName << ".log";
      47             :   }
      48             : 
      49           0 :   fprintf(stderr, "Writing to log: %s\n", bloatName.str().c_str());
      50             : 
      51           0 :   FILE* processfd = fopen(bloatName.str().c_str(), "a");
      52           0 :   fprintf(processfd, "==> process %d will purposefully crash\n", getpid());
      53           0 :   fclose(processfd);
      54             : }
      55             : 
      56             : } // namespace mozilla
      57             : 
      58             : #endif // mozilla_IntentionalCrash_h