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comparison: tools/profiler/SyncProfile.cpp
tools/profiler/SyncProfile.cpp
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| -1:000000000000 | 0:bda68f9b84e3 |
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| 1 /* -*- Mode: C++; tab-width: 2; 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 "SyncProfile.h" | |
| 8 #include "UnwinderThread2.h" | |
| 9 | |
| 10 SyncProfile::SyncProfile(const char* aName, int aEntrySize, PseudoStack *aStack, | |
| 11 Thread::tid_t aThreadId, bool aIsMainThread) | |
| 12 : ThreadProfile(aName, aEntrySize, aStack, aThreadId, | |
| 13 Sampler::AllocPlatformData(aThreadId), aIsMainThread, | |
| 14 tlsStackTop.get()), | |
| 15 mOwnerState(REFERENCED), | |
| 16 mUtb(nullptr) | |
| 17 { | |
| 18 } | |
| 19 | |
| 20 SyncProfile::~SyncProfile() | |
| 21 { | |
| 22 if (mUtb) { | |
| 23 utb__release_sync_buffer(mUtb); | |
| 24 } | |
| 25 Sampler::FreePlatformData(GetPlatformData()); | |
| 26 } | |
| 27 | |
| 28 bool | |
| 29 SyncProfile::SetUWTBuffer(LinkedUWTBuffer* aBuff) | |
| 30 { | |
| 31 MOZ_ASSERT(aBuff); | |
| 32 mUtb = aBuff; | |
| 33 return true; | |
| 34 } | |
| 35 | |
| 36 bool | |
| 37 SyncProfile::ShouldDestroy() | |
| 38 { | |
| 39 GetMutex()->AssertNotCurrentThreadOwns(); | |
| 40 mozilla::MutexAutoLock lock(*GetMutex()); | |
| 41 if (mOwnerState == OWNED) { | |
| 42 mOwnerState = OWNER_DESTROYING; | |
| 43 return true; | |
| 44 } | |
| 45 mOwnerState = ORPHANED; | |
| 46 return false; | |
| 47 } | |
| 48 | |
| 49 void | |
| 50 SyncProfile::EndUnwind() | |
| 51 { | |
| 52 // Mutex must be held when this is called | |
| 53 GetMutex()->AssertCurrentThreadOwns(); | |
| 54 if (mOwnerState != ORPHANED) { | |
| 55 flush(); | |
| 56 mOwnerState = OWNED; | |
| 57 } | |
| 58 // Save mOwnerState before we release the mutex | |
| 59 OwnerState ownerState = mOwnerState; | |
| 60 ThreadProfile::EndUnwind(); | |
| 61 if (ownerState == ORPHANED) { | |
| 62 delete this; | |
| 63 } | |
| 64 } | |
| 65 |
