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Backed out 5 changesets (bug 944665, bug 922465, bug 930282) for b2g xpcshell crashes

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Backed out changeset c4f970dd2a4f (bug 930282)
Backed out changeset 625f5303fc68 (bug 930282)
Backed out changeset bf8e90edd152 (bug 922465)
Backed out changeset a21b57c78253 (bug 944665)
Backed out changeset 9275a2efc9e3 (bug 944665)

--HG--
extra : rebase_source : bfbe3786e0db2073e26dc383b89525d22be0b3bd
This commit is contained in:
Phil Ringnalda 2013-12-08 15:32:15 -08:00
parent c26a8b8c4c
commit b03a02be61
10 changed files with 100 additions and 270 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
b2g/confvars.sh
View File

@ -56,9 +56,7 @@ MOZ_TOOLKIT_SEARCH=
MOZ_PLACES=
MOZ_B2G=1
if test "$OS_TARGET" = "Android"; then
MOZ_NUWA_PROCESS=1
fi
#MOZ_NUWA_PROCESS=1
MOZ_FOLD_LIBS=1
MOZ_JSDOWNLOADS=1

32
dom/ipc/ContentChild.cpp
View File

@ -1348,6 +1348,17 @@ PreloadSlowThings()
TabChild::PreloadSlowThings();
#ifdef MOZ_NUWA_PROCESS
// After preload of slow things, start freezing threads.
if (IsNuwaProcess()) {
// Perform GC before freezing the Nuwa process to reduce memory usage.
ContentChild::GetSingleton()->RecvGarbageCollect();
MessageLoop::current()->
PostTask(FROM_HERE,
NewRunnableFunction(OnFinishNuwaPreparation));
}
#endif
}
bool
@ -1358,32 +1369,15 @@ ContentChild::RecvAppInfo(const nsCString& version, const nsCString& buildID,
mAppInfo.buildID.Assign(buildID);
mAppInfo.name.Assign(name);
mAppInfo.UAName.Assign(UAName);
if (!Preferences::GetBool("dom.ipc.processPrelaunch.enabled", false)) {
return true;
}
// If we're part of the mozbrowser machinery, go ahead and start
// preloading things. We can only do this for mozbrowser because
// PreloadSlowThings() may set the docshell of the first TabChild
// inactive, and we can only safely restore it to active from
// BrowserElementChild.js.
if ((mIsForApp || mIsForBrowser)
#ifdef MOZ_NUWA_PROCESS
&& !IsNuwaProcess()
#endif
) {
if ((mIsForApp || mIsForBrowser) &&
Preferences::GetBool("dom.ipc.processPrelaunch.enabled", false)) {
PreloadSlowThings();
}
#ifdef MOZ_NUWA_PROCESS
if (IsNuwaProcess()) {
ContentChild::GetSingleton()->RecvGarbageCollect();
MessageLoop::current()->PostTask(
FROM_HERE, NewRunnableFunction(OnFinishNuwaPreparation));
}
#endif
return true;
}

188
dom/ipc/ContentParent.cpp
View File

@ -1249,13 +1249,93 @@ ContentParent::ContentParent(mozIApplication* aApp,
Open(mSubprocess->GetChannel(), mSubprocess->GetOwnedChildProcessHandle());
InitInternal(aInitialPriority,
true, /* Setup off-main thread compositing */
true /* Send registered chrome */);
// Set the subprocess's priority. We do this early on because we're likely
// /lowering/ the process's CPU and memory priority, which it has inherited
// from this process.
//
// This call can cause us to send IPC messages to the child process, so it
// must come after the Open() call above.
ProcessPriorityManager::SetProcessPriority(this, aInitialPriority);
// NB: internally, this will send an IPC message to the child
// process to get it to create the CompositorChild. This
// message goes through the regular IPC queue for this
// channel, so delivery will happen-before any other messages
// we send. The CompositorChild must be created before any
// PBrowsers are created, because they rely on the Compositor
// already being around. (Creation is async, so can't happen
// on demand.)
bool useOffMainThreadCompositing = !!CompositorParent::CompositorLoop();
if (useOffMainThreadCompositing) {
DebugOnly<bool> opened = PCompositor::Open(this);
MOZ_ASSERT(opened);
if (Preferences::GetBool("layers.async-video.enabled",false)) {
opened = PImageBridge::Open(this);
MOZ_ASSERT(opened);
}
}
nsCOMPtr<nsIChromeRegistry> registrySvc = nsChromeRegistry::GetService();
nsChromeRegistryChrome* chromeRegistry =
static_cast<nsChromeRegistryChrome*>(registrySvc.get());
chromeRegistry->SendRegisteredChrome(this);
mMessageManager = nsFrameMessageManager::NewProcessMessageManager(this);
if (gAppData) {
nsCString version(gAppData->version);
nsCString buildID(gAppData->buildID);
nsCString name(gAppData->name);
nsCString UAName(gAppData->UAName);
// Sending all information to content process.
unused << SendAppInfo(version, buildID, name, UAName);
}
nsStyleSheetService *sheetService = nsStyleSheetService::GetInstance();
if (sheetService) {
// This looks like a lot of work, but in a normal browser session we just
// send two loads.
nsCOMArray<nsIStyleSheet>& agentSheets = *sheetService->AgentStyleSheets();
for (uint32_t i = 0; i < agentSheets.Length(); i++) {
URIParams uri;
SerializeURI(agentSheets[i]->GetSheetURI(), uri);
unused << SendLoadAndRegisterSheet(uri, nsIStyleSheetService::AGENT_SHEET);
}
nsCOMArray<nsIStyleSheet>& userSheets = *sheetService->UserStyleSheets();
for (uint32_t i = 0; i < userSheets.Length(); i++) {
URIParams uri;
SerializeURI(userSheets[i]->GetSheetURI(), uri);
unused << SendLoadAndRegisterSheet(uri, nsIStyleSheetService::USER_SHEET);
}
nsCOMArray<nsIStyleSheet>& authorSheets = *sheetService->AuthorStyleSheets();
for (uint32_t i = 0; i < authorSheets.Length(); i++) {
URIParams uri;
SerializeURI(authorSheets[i]->GetSheetURI(), uri);
unused << SendLoadAndRegisterSheet(uri, nsIStyleSheetService::AUTHOR_SHEET);
}
}
#ifdef MOZ_CONTENT_SANDBOX
// Bug 921817. We enable the sandbox in RecvSetProcessPrivileges,
// which is where a preallocated process drops unnecessary privileges,
// but a non-preallocated process will already have changed its
// uid/gid/etc immediately after forking. Thus, we send this message,
// which is otherwise a no-op, to sandbox it at an appropriate point
// during startup.
if (aOSPrivileges != base::PRIVILEGES_INHERIT) {
if (!SendSetProcessPrivileges(base::PRIVILEGES_INHERIT)) {
KillHard();
}
}
#endif
}
#ifdef MOZ_NUWA_PROCESS
static const mozilla::ipc::FileDescriptor*
static const FileDescriptor*
FindFdProtocolFdMapping(const nsTArray<ProtocolFdMapping>& aFds,
ProtocolId aProtoId)
{
@ -1321,9 +1401,8 @@ ContentParent::ContentParent(ContentParent* aTemplate,
priority = PROCESS_PRIORITY_FOREGROUND;
}
InitInternal(priority,
false, /* Setup Off-main thread compositing */
false /* Send registered chrome */);
ProcessPriorityManager::SetProcessPriority(this, priority);
mMessageManager = nsFrameMessageManager::NewProcessMessageManager(this);
}
#endif // MOZ_NUWA_PROCESS
@ -1353,101 +1432,6 @@ ContentParent::~ContentParent()
}
}
void
ContentParent::InitInternal(ProcessPriority aInitialPriority,
bool aSetupOffMainThreadCompositing,
bool aSendRegisteredChrome)
{
// Set the subprocess's priority. We do this early on because we're likely
// /lowering/ the process's CPU and memory priority, which it has inherited
// from this process.
//
// This call can cause us to send IPC messages to the child process, so it
// must come after the Open() call above.
ProcessPriorityManager::SetProcessPriority(this, aInitialPriority);
if (aSetupOffMainThreadCompositing) {
// NB: internally, this will send an IPC message to the child
// process to get it to create the CompositorChild. This
// message goes through the regular IPC queue for this
// channel, so delivery will happen-before any other messages
// we send. The CompositorChild must be created before any
// PBrowsers are created, because they rely on the Compositor
// already being around. (Creation is async, so can't happen
// on demand.)
bool useOffMainThreadCompositing = !!CompositorParent::CompositorLoop();
if (useOffMainThreadCompositing) {
DebugOnly<bool> opened = PCompositor::Open(this);
MOZ_ASSERT(opened);
if (Preferences::GetBool("layers.async-video.enabled",false)) {
opened = PImageBridge::Open(this);
MOZ_ASSERT(opened);
}
}
}
if (aSendRegisteredChrome) {
nsCOMPtr<nsIChromeRegistry> registrySvc = nsChromeRegistry::GetService();
nsChromeRegistryChrome* chromeRegistry =
static_cast<nsChromeRegistryChrome*>(registrySvc.get());
chromeRegistry->SendRegisteredChrome(this);
}
mMessageManager = nsFrameMessageManager::NewProcessMessageManager(this);
if (gAppData) {
nsCString version(gAppData->version);
nsCString buildID(gAppData->buildID);
nsCString name(gAppData->name);
nsCString UAName(gAppData->UAName);
// Sending all information to content process.
unused << SendAppInfo(version, buildID, name, UAName);
}
nsStyleSheetService *sheetService = nsStyleSheetService::GetInstance();
if (sheetService) {
// This looks like a lot of work, but in a normal browser session we just
// send two loads.
nsCOMArray<nsIStyleSheet>& agentSheets = *sheetService->AgentStyleSheets();
for (uint32_t i = 0; i < agentSheets.Length(); i++) {
URIParams uri;
SerializeURI(agentSheets[i]->GetSheetURI(), uri);
unused << SendLoadAndRegisterSheet(uri, nsIStyleSheetService::AGENT_SHEET);
}
nsCOMArray<nsIStyleSheet>& userSheets = *sheetService->UserStyleSheets();
for (uint32_t i = 0; i < userSheets.Length(); i++) {
URIParams uri;
SerializeURI(userSheets[i]->GetSheetURI(), uri);
unused << SendLoadAndRegisterSheet(uri, nsIStyleSheetService::USER_SHEET);
}
nsCOMArray<nsIStyleSheet>& authorSheets = *sheetService->AuthorStyleSheets();
for (uint32_t i = 0; i < authorSheets.Length(); i++) {
URIParams uri;
SerializeURI(authorSheets[i]->GetSheetURI(), uri);
unused << SendLoadAndRegisterSheet(uri, nsIStyleSheetService::AUTHOR_SHEET);
}
}
#ifdef MOZ_CONTENT_SANDBOX
// Bug 921817. We enable the sandbox in RecvSetProcessPrivileges,
// which is where a preallocated process drops unnecessary privileges,
// but a non-preallocated process will already have changed its
// uid/gid/etc immediately after forking. Thus, we send this message,
// which is otherwise a no-op, to sandbox it at an appropriate point
// during startup.
if (mOSPrivileges != base::PRIVILEGES_INHERIT) {
if (!SendSetProcessPrivileges(base::PRIVILEGES_INHERIT)) {
KillHard();
}
}
#endif
}
bool
ContentParent::IsAlive()
{

5
dom/ipc/ContentParent.h
View File

@ -265,11 +265,6 @@ private:
// The common initialization for the constructors.
void InitializeMembers();
// The common initialization logic shared by all constuctors.
void InitInternal(ProcessPriority aPriority,
bool aSetupOffMainThreadCompositing,
bool aSendRegisteredChrome);
virtual ~ContentParent();
void Init();

17
dom/ipc/PreallocatedProcessManager.cpp
View File

@ -281,15 +281,6 @@ PreallocatedProcessManagerImpl::PublishSpareProcess(ContentParent* aContent)
{
MOZ_ASSERT(NS_IsMainThread());
if (Preferences::GetBool("dom.ipc.processPriorityManager.testMode")) {
AutoJSContext cx;
nsCOMPtr<nsIMessageBroadcaster> ppmm =
do_GetService("@mozilla.org/parentprocessmessagemanager;1");
nsresult rv = ppmm->BroadcastAsyncMessage(
NS_LITERAL_STRING("TEST-ONLY:nuwa-add-new-process"),
JSVAL_NULL, JSVAL_NULL, cx, 1);
}
if (!mNuwaForkWaitTasks.IsEmpty()) {
mNuwaForkWaitTasks.ElementAt(0)->Cancel();
mNuwaForkWaitTasks.RemoveElementAt(0);
@ -321,14 +312,6 @@ PreallocatedProcessManagerImpl::OnNuwaReady()
ProcessPriorityManager::SetProcessPriority(mPreallocatedAppProcess,
hal::PROCESS_PRIORITY_FOREGROUND);
mIsNuwaReady = true;
if (Preferences::GetBool("dom.ipc.processPriorityManager.testMode")) {
AutoJSContext cx;
nsCOMPtr<nsIMessageBroadcaster> ppmm =
do_GetService("@mozilla.org/parentprocessmessagemanager;1");
nsresult rv = ppmm->BroadcastAsyncMessage(
NS_LITERAL_STRING("TEST-ONLY:nuwa-ready"),
JSVAL_NULL, JSVAL_NULL, cx, 1);
}
NuwaFork();
}

2
dom/ipc/tests/mochitest.ini
View File

@ -1,2 +0,0 @@
[test_NuwaProcessCreation.html]
run-if = toolkit == 'gonk'

1
dom/ipc/tests/moz.build
View File

@ -5,5 +5,4 @@
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
MOCHITEST_CHROME_MANIFESTS += ['chrome.ini']
MOCHITEST_MANIFESTS += ['mochitest.ini']

99
dom/ipc/tests/test_NuwaProcessCreation.html
View File

@ -1,99 +0,0 @@
<!DOCTYPE HTML>
<html>
<!--
Test if Nuwa process created successfully.
-->
<head>
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<script type="application/javascript;version=1.7">
"use strict";
SimpleTest.waitForExplicitFinish();
function TestLoader() {}
TestLoader.prototype = {
_waitingTask: 0,
onTestReady: null,
unlockTestReady: function() {
this._waitingTask--;
this._maybeLoadTest();
},
lockTestReady: function() {
this._waitingTask++;
},
_maybeLoadTest: function() {
if (this._waitingTask == 0) {
this.onTestReady();
}
}
}
var testLoader = new TestLoader();
testLoader.lockTestReady();
window.addEventListener('load', function() {
testLoader.unlockTestReady();
});
function setPref(pref, value) {
testLoader.lockTestReady();
if (value !== undefined && value !== null) {
SpecialPowers.pushPrefEnv({'set': [[pref, value]]}, function() { testLoader.unlockTestReady(); });
} else {
SpecialPowers.pushPrefEnv({'clear': [[pref]]}, function() { testLoader.unlockTestReady(); });
}
}
setPref('dom.ipc.processPriorityManager.testMode', true);
setPref('dom.ipc.processPriorityManager.enabled', true);
setPref('dom.ipc.processPriorityManager.backgroundLRUPoolLevels', 2);
function runTest()
{
// Shutdown preallocated process.
SpecialPowers.setBoolPref('dom.ipc.processPrelaunch.enabled', false);
let cpmm = SpecialPowers.Cc["@mozilla.org/childprocessmessagemanager;1"]
.getService(SpecialPowers.Ci.nsISyncMessageSender);
let seenNuwaReady = false;
let msgHandler = {
receiveMessage: function receiveMessage(msg) {
msg = SpecialPowers.wrap(msg);
if (msg.name == 'TEST-ONLY:nuwa-ready') {
ok(true, "Got nuwa-ready");
is(seenNuwaReady, false, "Already received nuwa ready");
seenNuwaReady = true;
} else if (msg.name == 'TEST-ONLY:nuwa-add-new-process') {
ok(true, "Got nuwa-add-new-process");
is(seenNuwaReady, true, "Receive nuwa-add-new-process before nuwa-ready");
testEnd();
}
}
};
let timeout = setTimeout(function() {
ok(false, "Nuwa process is not launched");
testEnd();
}, 60000);
function testEnd() {
cpmm.removeMessageListener("TEST-ONLY:nuwa-ready", msgHandler);
cpmm.removeMessageListener("TEST-ONLY:nuwa-add-new-process", msgHandler);
clearTimeout(timeout);
SimpleTest.finish();
}
cpmm.addMessageListener("TEST-ONLY:nuwa-ready", msgHandler);
cpmm.addMessageListener("TEST-ONLY:nuwa-add-new-process", msgHandler);
// Setting this pref to true should cause us to prelaunch a process.
SpecialPowers.setBoolPref('dom.ipc.processPrelaunch.enabled', true);
}
testLoader.onTestReady = runTest;
</script>
</body>
</html>

10
netwerk/base/src/nsPACMan.cpp
View File

@ -14,9 +14,6 @@
#include "nsNetUtil.h"
#include "nsIAsyncVerifyRedirectCallback.h"
#include "nsISystemProxySettings.h"
#ifdef MOZ_NUWA_PROCESS
#include "ipc/Nuwa.h"
#endif
//-----------------------------------------------------------------------------
using namespace mozilla;
@ -677,13 +674,6 @@ nsPACMan::NamePACThread()
{
NS_ABORT_IF_FALSE(!NS_IsMainThread(), "wrong thread");
PR_SetCurrentThreadName("Proxy Resolution");
#ifdef MOZ_NUWA_PROCESS
if (IsNuwaProcess()) {
NS_ASSERTION(NuwaMarkCurrentThread != nullptr,
"NuwaMarkCurrentThread is undefined!");
NuwaMarkCurrentThread(nullptr, nullptr);
}
#endif
}
nsresult

12
xpcom/threads/BackgroundHangMonitor.cpp
View File

@ -11,9 +11,6 @@
#include "mozilla/Telemetry.h"
#include "mozilla/ThreadHangStats.h"
#include "mozilla/ThreadLocal.h"
#ifdef MOZ_NUWA_PROCESS
#include "ipc/Nuwa.h"
#endif
#include "prinrval.h"
#include "prthread.h"
@ -34,15 +31,6 @@ private:
static void MonitorThread(void* aData)
{
PR_SetCurrentThreadName("BgHangManager");
#ifdef MOZ_NUWA_PROCESS
if (IsNuwaProcess()) {
NS_ASSERTION(NuwaMarkCurrentThread != nullptr,
"NuwaMarkCurrentThread is undefined!");
NuwaMarkCurrentThread(nullptr, nullptr);
}
#endif
/* We do not hold a reference to BackgroundHangManager here
because the monitor thread only exists as long as the
BackgroundHangManager instance exists. We stop the monitor