gecko-dev/ipc/glue/ProcessChild.cpp
Bob Owen 5ef9be5d40 Bug 1633791 part 1: Add ability to notify the child processes of an impending shutdown. r=nika
This also adds a call to the new function in ContentParent::StartForceKillTimer.

Differential Revision: https://phabricator.services.mozilla.com/D75507
2020-05-22 18:21:59 +00:00

49 lines
1.3 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/ipc/ProcessChild.h"
#include "nsDebug.h"
#ifdef XP_WIN
# include <stdlib.h> // for _exit()
#else
# include <unistd.h> // for _exit()
#endif
#include "mozilla/AppShutdown.h"
#include "mozilla/ipc/IOThreadChild.h"
namespace mozilla {
namespace ipc {
ProcessChild* ProcessChild::gProcessChild;
static Atomic<bool> sExpectingShutdown(false);
ProcessChild::ProcessChild(ProcessId aParentPid)
: ChildProcess(new IOThreadChild()),
mUILoop(MessageLoop::current()),
mParentPid(aParentPid) {
MOZ_ASSERT(mUILoop, "UILoop should be created by now");
MOZ_ASSERT(!gProcessChild, "should only be one ProcessChild");
gProcessChild = this;
}
ProcessChild::~ProcessChild() { gProcessChild = nullptr; }
/* static */
void ProcessChild::NotifyImpendingShutdown() { sExpectingShutdown = true; }
/* static */
bool ProcessChild::ExpectingShutdown() { return sExpectingShutdown; }
/* static */
void ProcessChild::QuickExit() { AppShutdown::DoImmediateExit(); }
} // namespace ipc
} // namespace mozilla