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4688351623
This supports the “double handler” or “double handler with low probability” models from https://crashpad.chromium.org/bug/143. For crashpad_handler to be become its own client, it needs access to its own executable path to pass to CrashpadClient::StartHandler(). This was formerly available in the test-only test::Paths::Executable(). Bring that function’s implementation to the non-test Paths::Executable() in util/misc, and rename test::Paths to test::TestPaths to avoid future confusion. test::TestPaths must still be used to access TestDataRoot(), which does not make any sense to non-test code. test::TestPaths::Executable() is retained for use by tests, which most likely prefer the fatal semantics of that function. Paths::Executable() is not fatal because for the purposes of implementing the double handler, a failure to locate the executable path (which may happen on some systems in deeply-nested directory hierarchies) shouldn’t cause the initial crashpad_handler to abort, even if it does prevent a second crashpad_handler from being started. Bug: crashpad:143 Test: crashpad_util_test Paths.*, crashpad_test_test TestPaths.* Change-Id: I9f75bf61839ce51e33c9f7c0d7031cebead6a156 Reviewed-on: https://chromium-review.googlesource.com/466346 Reviewed-by: Scott Graham <scottmg@chromium.org> Commit-Queue: Mark Mentovai <mark@chromium.org>
80 lines
2.2 KiB
C++
80 lines
2.2 KiB
C++
// Copyright 2015 The Crashpad Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "test/win/win_multiprocess.h"
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#include <shellapi.h>
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#include "base/logging.h"
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#include "base/scoped_generic.h"
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#include "base/strings/stringprintf.h"
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#include "base/strings/utf_string_conversions.h"
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#include "util/stdlib/string_number_conversion.h"
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#include "util/string/split_string.h"
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namespace crashpad {
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namespace test {
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WinMultiprocess::WinMultiprocess()
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: exit_code_(EXIT_SUCCESS),
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child_handles_(nullptr),
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child_process_helper_(nullptr) {}
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WinMultiprocess::~WinMultiprocess() {
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}
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void WinMultiprocess::SetExpectedChildExitCode(unsigned int exit_code) {
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exit_code_ = exit_code;
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}
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FileHandle WinMultiprocess::ReadPipeHandle() const {
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if (child_handles_)
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return child_handles_->read.get();
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CHECK(child_process_helper_);
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return child_process_helper_->ReadPipeHandleForwarder();
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}
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FileHandle WinMultiprocess::WritePipeHandle() const {
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if (child_handles_)
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return child_handles_->write.get();
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CHECK(child_process_helper_);
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return child_process_helper_->WritePipeHandleForwarder();
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}
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void WinMultiprocess::CloseReadPipe() {
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if (child_handles_) {
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child_handles_->read.reset();
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} else {
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CHECK(child_process_helper_);
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child_process_helper_->CloseReadPipeForwarder();
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}
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}
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void WinMultiprocess::CloseWritePipe() {
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if (child_handles_) {
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child_handles_->write.reset();
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} else {
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CHECK(child_process_helper_);
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child_process_helper_->CloseWritePipeForwarder();
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}
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}
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HANDLE WinMultiprocess::ChildProcess() const {
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CHECK(child_handles_);
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return child_handles_->process.get();
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}
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} // namespace test
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} // namespace crashpad
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