mirror of
https://github.com/chromium/crashpad.git
synced 2024-12-27 15:21:13 +08:00
6278690abe
sed -i '' -E -e 's/Copyright (.+) The Crashpad Authors\. All rights reserved\.$/Copyright \1 The Crashpad Authors/' $(git grep -El 'Copyright (.+) The Crashpad Authors\. All rights reserved\.$') Bug: chromium:1098010 Change-Id: I8d6138469ddbe3d281a5d83f64cf918ec2491611 Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3878262 Reviewed-by: Joshua Peraza <jperaza@chromium.org> Commit-Queue: Mark Mentovai <mark@chromium.org>
122 lines
3.7 KiB
C++
122 lines
3.7 KiB
C++
// Copyright 2015 The Crashpad Authors
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#include "util/win/scoped_process_suspend.h"
|
|
|
|
#include <stddef.h>
|
|
#include <tlhelp32.h>
|
|
|
|
#include <algorithm>
|
|
#include <vector>
|
|
|
|
#include "gtest/gtest.h"
|
|
#include "test/errors.h"
|
|
#include "test/win/win_child_process.h"
|
|
#include "util/win/xp_compat.h"
|
|
|
|
namespace crashpad {
|
|
namespace test {
|
|
namespace {
|
|
|
|
// There is no per-process suspend count on Windows, only a per-thread suspend
|
|
// count. NtSuspendProcess just suspends all threads of a given process. So,
|
|
// verify that all thread's suspend counts match the desired suspend count.
|
|
bool SuspendCountMatches(HANDLE process, DWORD desired_suspend_count) {
|
|
DWORD process_id = GetProcessId(process);
|
|
|
|
ScopedKernelHANDLE snapshot(CreateToolhelp32Snapshot(TH32CS_SNAPTHREAD, 0));
|
|
if (!snapshot.is_valid()) {
|
|
ADD_FAILURE() << ErrorMessage("CreateToolhelp32Snapshot");
|
|
return false;
|
|
}
|
|
|
|
THREADENTRY32 te;
|
|
te.dwSize = sizeof(te);
|
|
|
|
BOOL ret = Thread32First(snapshot.get(), &te);
|
|
if (!ret) {
|
|
ADD_FAILURE() << ErrorMessage("Thread32First");
|
|
return false;
|
|
}
|
|
do {
|
|
if (te.dwSize >= offsetof(THREADENTRY32, th32OwnerProcessID) +
|
|
sizeof(te.th32OwnerProcessID) &&
|
|
te.th32OwnerProcessID == process_id) {
|
|
ScopedKernelHANDLE thread(
|
|
OpenThread(kXPThreadAllAccess, false, te.th32ThreadID));
|
|
EXPECT_TRUE(thread.is_valid()) << ErrorMessage("OpenThread");
|
|
DWORD result = SuspendThread(thread.get());
|
|
EXPECT_NE(result, static_cast<DWORD>(-1))
|
|
<< ErrorMessage("SuspendThread");
|
|
if (result != static_cast<DWORD>(-1)) {
|
|
EXPECT_NE(ResumeThread(thread.get()), static_cast<DWORD>(-1))
|
|
<< ErrorMessage("ResumeThread");
|
|
}
|
|
if (result != desired_suspend_count)
|
|
return false;
|
|
}
|
|
te.dwSize = sizeof(te);
|
|
} while (Thread32Next(snapshot.get(), &te));
|
|
|
|
return true;
|
|
}
|
|
|
|
class ScopedProcessSuspendTest final : public WinChildProcess {
|
|
public:
|
|
ScopedProcessSuspendTest() : WinChildProcess() {}
|
|
|
|
ScopedProcessSuspendTest(const ScopedProcessSuspendTest&) = delete;
|
|
ScopedProcessSuspendTest& operator=(const ScopedProcessSuspendTest&) = delete;
|
|
|
|
~ScopedProcessSuspendTest() {}
|
|
|
|
private:
|
|
int Run() override {
|
|
char c;
|
|
// Wait for notification from parent.
|
|
EXPECT_TRUE(LoggingReadFileExactly(ReadPipeHandle(), &c, sizeof(c)));
|
|
EXPECT_EQ(c, ' ');
|
|
return EXIT_SUCCESS;
|
|
}
|
|
};
|
|
|
|
TEST(ScopedProcessSuspend, ScopedProcessSuspend) {
|
|
WinChildProcess::EntryPoint<ScopedProcessSuspendTest>();
|
|
std::unique_ptr<WinChildProcess::Handles> handles = WinChildProcess::Launch();
|
|
|
|
EXPECT_TRUE(SuspendCountMatches(handles->process.get(), 0));
|
|
|
|
{
|
|
ScopedProcessSuspend suspend0(handles->process.get());
|
|
EXPECT_TRUE(SuspendCountMatches(handles->process.get(), 1));
|
|
|
|
{
|
|
ScopedProcessSuspend suspend1(handles->process.get());
|
|
EXPECT_TRUE(SuspendCountMatches(handles->process.get(), 2));
|
|
}
|
|
|
|
EXPECT_TRUE(SuspendCountMatches(handles->process.get(), 1));
|
|
}
|
|
|
|
EXPECT_TRUE(SuspendCountMatches(handles->process.get(), 0));
|
|
|
|
// Tell the child it's OK to terminate.
|
|
char c = ' ';
|
|
EXPECT_TRUE(WriteFile(handles->write.get(), &c, sizeof(c)));
|
|
}
|
|
|
|
} // namespace
|
|
} // namespace test
|
|
} // namespace crashpad
|