xpcom/glue/IntentionalCrash.h@97036ab72558 (annotated)
xpcom/glue/IntentionalCrash.h
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
| michael@0 | 1 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 2 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 3 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 4 | |
| michael@0 | 5 | #include <string> |
| michael@0 | 6 | #include <sstream> |
| michael@0 | 7 | #include <stdlib.h> |
| michael@0 | 8 | #include <stdio.h> |
| michael@0 | 9 | |
| michael@0 | 10 | #ifdef XP_WIN |
| michael@0 | 11 | #include <process.h> |
| michael@0 | 12 | #define getpid _getpid |
| michael@0 | 13 | #else |
| michael@0 | 14 | #include <unistd.h> |
| michael@0 | 15 | #endif |
| michael@0 | 16 | |
| michael@0 | 17 | #ifndef mozilla_IntentionalCrash_h |
| michael@0 | 18 | #define mozilla_IntentionalCrash_h |
| michael@0 | 19 | |
| michael@0 | 20 | namespace mozilla { |
| michael@0 | 21 | |
| michael@0 | 22 | inline void |
| michael@0 | 23 | NoteIntentionalCrash(const char* processType) |
| michael@0 | 24 | { |
| michael@0 | 25 | char* f = getenv("XPCOM_MEM_BLOAT_LOG"); |
| michael@0 | 26 | |
| michael@0 | 27 | if (!f) |
| michael@0 | 28 | return; |
| michael@0 | 29 | |
| michael@0 | 30 | fprintf(stderr, "XPCOM_MEM_BLOAT_LOG: %s\n", f); |
| michael@0 | 31 | |
| michael@0 | 32 | std::string bloatLog(f); |
| michael@0 | 33 | |
| michael@0 | 34 | bool hasExt = false; |
| michael@0 | 35 | if (bloatLog.size() >= 4 && |
| michael@0 | 36 | 0 == bloatLog.compare(bloatLog.size() - 4, 4, ".log", 4)) { |
| michael@0 | 37 | hasExt = true; |
| michael@0 | 38 | bloatLog.erase(bloatLog.size() - 4, 4); |
| michael@0 | 39 | } |
| michael@0 | 40 | |
| michael@0 | 41 | std::ostringstream bloatName; |
| michael@0 | 42 | bloatName << bloatLog << "_" << processType << "_pid" << getpid(); |
| michael@0 | 43 | if (hasExt) |
| michael@0 | 44 | bloatName << ".log"; |
| michael@0 | 45 | |
| michael@0 | 46 | fprintf(stderr, "Writing to log: %s\n", bloatName.str().c_str()); |
| michael@0 | 47 | |
| michael@0 | 48 | FILE* processfd = fopen(bloatName.str().c_str(), "a"); |
| michael@0 | 49 | fprintf(processfd, "==> process %d will purposefully crash\n", getpid()); |
| michael@0 | 50 | fclose(processfd); |
| michael@0 | 51 | } |
| michael@0 | 52 | |
| michael@0 | 53 | } // namespace mozilla |
| michael@0 | 54 | |
| michael@0 | 55 | #endif // mozilla_IntentionalCrash_h |
