Brian Silverman | 20350ac | 2021-11-17 18:19:55 -0800 | [diff] [blame^] | 1 | // -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- |
| 2 | // Copyright (c) 2014, gperftools Contributors |
| 3 | // All rights reserved. |
| 4 | // |
| 5 | // Redistribution and use in source and binary forms, with or without |
| 6 | // modification, are permitted provided that the following conditions are |
| 7 | // met: |
| 8 | // |
| 9 | // * Redistributions of source code must retain the above copyright |
| 10 | // notice, this list of conditions and the following disclaimer. |
| 11 | // * Redistributions in binary form must reproduce the above |
| 12 | // copyright notice, this list of conditions and the following disclaimer |
| 13 | // in the documentation and/or other materials provided with the |
| 14 | // distribution. |
| 15 | // * Neither the name of Google Inc. nor the names of its |
| 16 | // contributors may be used to endorse or promote products derived from |
| 17 | // this software without specific prior written permission. |
| 18 | // |
| 19 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 20 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 21 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 22 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 23 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 24 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 25 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 26 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 27 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 28 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 29 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 30 | #include "emergency_malloc.h" |
| 31 | #include "thread_cache.h" |
| 32 | |
| 33 | namespace tcmalloc { |
| 34 | bool EnterStacktraceScope(void); |
| 35 | void LeaveStacktraceScope(void); |
| 36 | } |
| 37 | |
| 38 | bool tcmalloc::EnterStacktraceScope(void) { |
| 39 | if (ThreadCache::IsUseEmergencyMalloc()) { |
| 40 | return false; |
| 41 | } |
| 42 | ThreadCache::SetUseEmergencyMalloc(); |
| 43 | return true; |
| 44 | } |
| 45 | |
| 46 | void tcmalloc::LeaveStacktraceScope(void) { |
| 47 | ThreadCache::ResetUseEmergencyMalloc(); |
| 48 | } |