mirror of
https://github.com/roytam1/palemoon27.git
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roytam1
5ec13acbdd
- Bug 1140264 part 1 - Avoid expanding auto-hidden ruby annotations. r=dbaron (5b6ddba10) - Bug 1140264 part 2 - Move and merge line breaking code in rbc reflow to reduce useless computation and fix undesired break point. r=dbaron (0d3aaad79) - Bug 1140264 part 3 - Rename IsInlineDescendantOfRuby to ShouldSuppressLineBreak and exclude rbc/rtc from it. r=dbaron (e929b296b) - Bug 1140264 part 4 - Reftest for this bug. r=dbaron (3aa19d44e) - Bug 1141842 - Add LastOptionalBreakPriority to nsLineLayout to simplify some code. r=roc (81cc1dcd0) - Bug 1137875 - Have the SharedFrameMetricsData hold a copy of the layers id. r=nical (81c657510) - Bug 1133237 - When transitioning from a shadow layer tree that has plugins to a tree that does not, make sure the old plugins get hidden properly. r=roc (11ff16c17) - Bug 1137875 - Have the LayerTransactionChild hold a copy of the layers id. r=nical (f9a090aad) - Bug 1137875 - Clear shared frame metrics objects associated with a PLayerTransaction when it is destroyed. r=nical (c5037ee27) - Bug 1119878 Part 1: Change SandboxTarget to hold sandbox target services to provide functions. r=aklotz, r=glandium, r=cpearce (7378d13e4) - Bug 1119878 Part 2: Change IPC code to hold ProcessID instead of ProcessHandle. r=billm, r=dvander, r=aklotz, r=cpearce (fa002f559) - Bug 1149971 Part 1: Follow-up to bug 1119878 to fix broken IPDL tests. r=dvander (76b843d43) and some lines of fix of toolkit/xre/nsEmbedFunctions.cpp after Bug 1119878 Part 2.
77 lines
1.9 KiB
C++
77 lines
1.9 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include <windows.h>
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#include "base/process_util.h"
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#include "CrossProcessMutex.h"
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#include "nsDebug.h"
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#include "nsISupportsImpl.h"
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#include "ProtocolUtils.h"
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using base::GetCurrentProcessHandle;
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using base::ProcessHandle;
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namespace mozilla {
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CrossProcessMutex::CrossProcessMutex(const char*)
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{
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// We explicitly share this using DuplicateHandle, we do -not- want this to
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// be inherited by child processes by default! So no security attributes are
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// given.
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mMutex = ::CreateMutexA(nullptr, FALSE, nullptr);
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if (!mMutex) {
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NS_RUNTIMEABORT("This shouldn't happen - failed to create mutex!");
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}
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MOZ_COUNT_CTOR(CrossProcessMutex);
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}
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CrossProcessMutex::CrossProcessMutex(CrossProcessMutexHandle aHandle)
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{
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DWORD flags;
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if (!::GetHandleInformation(aHandle, &flags)) {
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NS_RUNTIMEABORT("Attempt to construct a mutex from an invalid handle!");
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}
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mMutex = aHandle;
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MOZ_COUNT_CTOR(CrossProcessMutex);
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}
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CrossProcessMutex::~CrossProcessMutex()
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{
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NS_ASSERTION(mMutex, "Improper construction of mutex or double free.");
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::CloseHandle(mMutex);
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MOZ_COUNT_DTOR(CrossProcessMutex);
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}
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void
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CrossProcessMutex::Lock()
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{
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NS_ASSERTION(mMutex, "Improper construction of mutex.");
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::WaitForSingleObject(mMutex, INFINITE);
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}
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void
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CrossProcessMutex::Unlock()
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{
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NS_ASSERTION(mMutex, "Improper construction of mutex.");
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::ReleaseMutex(mMutex);
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}
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CrossProcessMutexHandle
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CrossProcessMutex::ShareToProcess(base::ProcessId aTargetPid)
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{
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HANDLE newHandle;
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bool succeeded = ipc::DuplicateHandle(mMutex, aTargetPid, &newHandle,
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0, DUPLICATE_SAME_ACCESS);
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if (!succeeded) {
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return nullptr;
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}
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return newHandle;
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}
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}
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