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2bbae5374b
This class implements a shared memory key-value store that fits into a single memory mapped segment. All of the runtime data for its instances are stored in the shared memory region, which means that memory overhead for each instance in each process is only a few bytes. Importantly, the key and value strings returned by this class are also pointers into the shared memory region, which means that once an instance is created, its memory cannot be unmapped until process shutdown. For the uses I intend to put it to, this is a reasonable constraint. If we need to use it for shorter-lived maps in the future, we can add an option to return non-literal dependent strings that will be copied if they need to be kept alive long term. MozReview-Commit-ID: 5BwAaDsb7HS --HG-- extra : rebase_source : b472fe628018f88a2c4d6b3de4b7143aeca55e14 extra : absorb_source : 5cdeb568cfd2b4a5a767191402e699e61e653b3b
191 lines
4.5 KiB
Python
191 lines
4.5 KiB
Python
# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
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# vim: set filetype=python:
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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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with Files("**"):
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BUG_COMPONENT = ("Core", "DOM: Content Processes")
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XPIDL_SOURCES += [
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'nsIHangReport.idl',
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]
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XPIDL_MODULE = 'dom'
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EXPORTS.mozilla.dom.ipc += [
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'IdType.h',
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'SharedStringMap.h',
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'StructuredCloneData.h',
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]
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EXPORTS.mozilla.dom += [
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'CoalescedInputData.h',
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'CoalescedMouseData.h',
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'CoalescedWheelData.h',
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'ContentBridgeChild.h',
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'ContentBridgeParent.h',
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'ContentChild.h',
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'ContentParent.h',
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'ContentProcess.h',
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'ContentProcessHost.h',
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'ContentProcessManager.h',
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'CPOWManagerGetter.h',
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'FilePickerParent.h',
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'MemoryReportRequest.h',
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'nsIContentChild.h',
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'nsIContentParent.h',
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'PermissionMessageUtils.h',
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'TabChild.h',
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'TabContext.h',
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'TabMessageUtils.h',
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'TabParent.h',
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'URLClassifierChild.h',
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'URLClassifierParent.h',
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]
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EXPORTS.mozilla += [
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'PreallocatedProcessManager.h',
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'ProcessHangMonitor.h',
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'ProcessHangMonitorIPC.h',
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'ProcessPriorityManager.h',
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]
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UNIFIED_SOURCES += [
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'CoalescedMouseData.cpp',
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'CoalescedWheelData.cpp',
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'ColorPickerParent.cpp',
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'ContentBridgeChild.cpp',
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'ContentBridgeParent.cpp',
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'ContentParent.cpp',
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'ContentProcess.cpp',
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'ContentProcessHost.cpp',
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'ContentProcessManager.cpp',
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'FilePickerParent.cpp',
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'MemMapSnapshot.cpp',
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'MemoryReportRequest.cpp',
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'nsIContentChild.cpp',
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'nsIContentParent.cpp',
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'PermissionMessageUtils.cpp',
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'PreallocatedProcessManager.cpp',
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'ProcessPriorityManager.cpp',
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'SharedStringMap.cpp',
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'StructuredCloneData.cpp',
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'TabChild.cpp',
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'TabContext.cpp',
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'TabMessageUtils.cpp',
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'TabParent.cpp',
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'URLClassifierParent.cpp',
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]
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# ContentChild.cpp cannot be compiled in unified mode on linux due to Time conflict
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SOURCES += [
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'ContentChild.cpp',
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'ProcessHangMonitor.cpp',
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]
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IPDL_SOURCES += [
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'DOMTypes.ipdlh',
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'MemoryReportTypes.ipdlh',
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'PBrowser.ipdl',
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'PBrowserOrId.ipdlh',
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'PColorPicker.ipdl',
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'PContent.ipdl',
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'PContentBridge.ipdl',
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'PContentPermission.ipdlh',
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'PContentPermissionRequest.ipdl',
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'PCycleCollectWithLogs.ipdl',
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'PFilePicker.ipdl',
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'PLoginReputation.ipdl',
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'PPluginWidget.ipdl',
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'PProcessHangMonitor.ipdl',
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'PTabContext.ipdlh',
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'PURLClassifier.ipdl',
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'PURLClassifierInfo.ipdlh',
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'PURLClassifierLocal.ipdl',
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'ServiceWorkerConfiguration.ipdlh',
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]
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include('/ipc/chromium/chromium-config.mozbuild')
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FINAL_LIBRARY = 'xul'
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if CONFIG['MOZ_SANDBOX'] and CONFIG['OS_TARGET'] == 'Darwin':
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USE_LIBS += [
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'mozsandbox',
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]
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if CONFIG['MOZ_CONTENT_SANDBOX'] and CONFIG['OS_ARCH'] == 'Linux':
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USE_LIBS += [
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'mozsandbox',
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]
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LOCAL_INCLUDES += [
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'/caps',
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'/chrome',
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'/docshell/base',
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'/dom/base',
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'/dom/bindings',
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'/dom/events',
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'/dom/filesystem',
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'/dom/geolocation',
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'/dom/media/webspeech/synth/ipc',
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'/dom/security',
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'/extensions/cookie',
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'/extensions/spellcheck/src',
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'/gfx/2d',
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'/hal/sandbox',
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'/js/xpconnect/loader',
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'/layout/base',
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'/media/webrtc',
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'/netwerk/base',
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'/toolkit/components/printingui/ipc',
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'/toolkit/crashreporter',
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'/toolkit/xre',
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'/uriloader/exthandler',
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'/widget',
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'/xpcom/base',
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'/xpcom/threads',
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]
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if CONFIG['MOZ_SANDBOX'] and CONFIG['OS_ARCH'] == 'WINNT':
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LOCAL_INCLUDES += [
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'/security/sandbox/chromium',
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'/security/sandbox/chromium-shim',
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]
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if CONFIG['OS_ARCH'] != 'WINNT':
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LOCAL_INCLUDES += [
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'/modules/libjar',
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]
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DEFINES['BIN_SUFFIX'] = '"%s"' % CONFIG['BIN_SUFFIX']
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if CONFIG['MOZ_WIDGET_TOOLKIT'] == 'android':
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DEFINES['MOZ_ENABLE_FREETYPE'] = True
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if CONFIG['MOZ_TOOLKIT_SEARCH']:
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DEFINES['MOZ_TOOLKIT_SEARCH'] = True
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JAR_MANIFESTS += ['jar.mn']
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BROWSER_CHROME_MANIFESTS += ['tests/browser.ini']
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MOCHITEST_CHROME_MANIFESTS += ['tests/chrome.ini']
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MOCHITEST_MANIFESTS += ['tests/mochitest.ini']
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CXXFLAGS += CONFIG['TK_CFLAGS']
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if CONFIG['CC_TYPE'] in ('clang', 'gcc'):
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CXXFLAGS += ['-Wno-error=shadow']
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if CONFIG['NIGHTLY_BUILD']:
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DEFINES['ASYNC_CONTENTPROC_LAUNCH'] = True
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if CONFIG['FUZZING'] and CONFIG['FUZZING_INTERFACES']:
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TEST_DIRS += [
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'fuzztest'
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]
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# Add libFuzzer configuration directives
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include('/tools/fuzzing/libfuzzer-config.mozbuild')
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