mirror of
https://github.com/mozilla/gecko-dev.git
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e40dad70cf
This changes how file descriptors are passed to Android child processes to support the new ChildProcessArgs model. Instead of explicit lists of FDs to pass around, a single array of FDs is passed from the parent process into the child service and then passed into GeckoArgs. Differential Revision: https://phabricator.services.mozilla.com/D221378
134 lines
3.9 KiB
C++
134 lines
3.9 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 "mozilla/Bootstrap.h"
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#include "nsXPCOM.h"
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#include "AutoSQLiteLifetime.h"
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#if defined(XP_WIN) && defined(_M_X64) && defined(MOZ_DIAGNOSTIC_ASSERT_ENABLED)
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# include <windows.h>
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#endif // XP_WIN && _M_X64 && MOZ_DIAGNOSTIC_ASSERT_ENABLED
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#ifdef MOZ_WIDGET_ANDROID
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# ifdef MOZ_PROFILE_GENERATE
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extern "C" int __llvm_profile_dump(void);
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# endif
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#endif
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namespace mozilla {
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class BootstrapImpl final : public Bootstrap {
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protected:
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AutoSQLiteLifetime mSQLLT;
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virtual void Dispose() override { delete this; }
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public:
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BootstrapImpl() = default;
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~BootstrapImpl() = default;
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virtual void NS_LogInit() override { ::NS_LogInit(); }
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virtual void NS_LogTerm() override { ::NS_LogTerm(); }
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virtual void XRE_TelemetryAccumulate(int aID, uint32_t aSample) override {
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::XRE_TelemetryAccumulate(aID, aSample);
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}
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virtual void XRE_StartupTimelineRecord(int aEvent,
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mozilla::TimeStamp aWhen) override {
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::XRE_StartupTimelineRecord(aEvent, aWhen);
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}
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virtual int XRE_main(int argc, char* argv[],
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const BootstrapConfig& aConfig) override {
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return ::XRE_main(argc, argv, aConfig);
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}
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virtual void XRE_StopLateWriteChecks() override {
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::XRE_StopLateWriteChecks();
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}
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virtual int XRE_XPCShellMain(int argc, char** argv, char** envp,
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const XREShellData* aShellData) override {
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return ::XRE_XPCShellMain(argc, argv, envp, aShellData);
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}
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virtual nsresult XRE_InitChildProcess(
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int argc, char* argv[], const XREChildData* aChildData) override {
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return ::XRE_InitChildProcess(argc, argv, aChildData);
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}
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virtual void XRE_EnableSameExecutableForContentProc() override {
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::XRE_EnableSameExecutableForContentProc();
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}
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#ifdef MOZ_WIDGET_ANDROID
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virtual void GeckoStart(JNIEnv* aEnv, char** argv, int argc,
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const StaticXREAppData& aAppData, bool xpcshell,
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const char* outFilePath) override {
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::GeckoStart(aEnv, argv, argc, aAppData, xpcshell, outFilePath);
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}
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virtual void XRE_SetAndroidChildFds(JNIEnv* aEnv, jintArray aFds) override {
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::XRE_SetAndroidChildFds(aEnv, aFds);
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}
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# ifdef MOZ_PROFILE_GENERATE
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virtual void XRE_WriteLLVMProfData() override {
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__android_log_print(ANDROID_LOG_INFO, "GeckoLibLoad",
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"Calling __llvm_profile_dump()");
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__llvm_profile_dump();
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}
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# endif
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#endif
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#ifdef LIBFUZZER
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virtual void XRE_LibFuzzerSetDriver(LibFuzzerDriver aDriver) override {
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::XRE_LibFuzzerSetDriver(aDriver);
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}
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#endif
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#ifdef MOZ_ENABLE_FORKSERVER
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virtual int XRE_ForkServer(int* argc, char*** argv) override {
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return ::XRE_ForkServer(argc, argv);
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}
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#endif
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};
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#if defined(XP_WIN) && defined(_M_X64) && defined(MOZ_DIAGNOSTIC_ASSERT_ENABLED)
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extern "C" uint32_t _tls_index;
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extern "C" NS_EXPORT bool XRE_CheckBlockScopeStaticVarInit(
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uint32_t* aTlsIndex) {
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// Copy the value of xul's _tls_index for diagnostics.
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if (aTlsIndex) {
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*aTlsIndex = _tls_index;
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}
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// Check that block-scope static variable initialization works. We use
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// volatile here to keep the compiler honest - we want it to generate the code
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// that will ensure that only a single thread goes through the lambda.
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static bool sItWorks = []() -> bool {
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bool const volatile value = true;
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return value;
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}();
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return sItWorks;
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}
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#endif // XP_WIN && _M_X64 && MOZ_DIAGNOSTIC_ASSERT_ENABLED
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extern "C" NS_EXPORT void NS_FROZENCALL
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XRE_GetBootstrap(Bootstrap::UniquePtr& b) {
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static bool sBootstrapInitialized = false;
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MOZ_RELEASE_ASSERT(!sBootstrapInitialized);
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sBootstrapInitialized = true;
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b.reset(new BootstrapImpl());
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}
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} // namespace mozilla
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