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https://github.com/encounter/dawn-cmake.git
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c0398e4174
Skips logging in sandboxed processes on Windows official builds since the file handles will not be set properly, causing crashes when we try to write to stdout/stderr. Bug: chromium:1429665 Change-Id: Ie70d0cc2e096bd22490dc3538467752b448f213b Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/127205 Kokoro: Kokoro <noreply+kokoro@google.com> Auto-Submit: Brian Sheedy <bsheedy@google.com> Reviewed-by: Austin Eng <enga@chromium.org> Commit-Queue: Brian Sheedy <bsheedy@google.com>
149 lines
4.1 KiB
C++
149 lines
4.1 KiB
C++
// Copyright 2019 The Dawn Authors
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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 "dawn/common/Log.h"
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#include <cstdio>
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#include <string>
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#include "dawn/common/Assert.h"
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#include "dawn/common/Platform.h"
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#if DAWN_PLATFORM_IS(ANDROID)
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#include <android/log.h>
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#endif
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#if DAWN_PLATFORM_IS(WINDOWS)
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#include <windows.h>
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#endif
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namespace dawn {
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namespace {
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#if !defined(DAWN_DISABLE_LOGGING)
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const char* SeverityName(LogSeverity severity) {
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switch (severity) {
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case LogSeverity::Debug:
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return "Debug";
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case LogSeverity::Info:
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return "Info";
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case LogSeverity::Warning:
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return "Warning";
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case LogSeverity::Error:
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return "Error";
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default:
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UNREACHABLE();
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return "";
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}
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}
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#endif
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#if DAWN_PLATFORM_IS(ANDROID)
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android_LogPriority AndroidLogPriority(LogSeverity severity) {
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switch (severity) {
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case LogSeverity::Debug:
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return ANDROID_LOG_INFO;
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case LogSeverity::Info:
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return ANDROID_LOG_INFO;
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case LogSeverity::Warning:
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return ANDROID_LOG_WARN;
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case LogSeverity::Error:
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return ANDROID_LOG_ERROR;
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default:
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UNREACHABLE();
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return ANDROID_LOG_ERROR;
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}
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}
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#endif // DAWN_PLATFORM_IS(ANDROID)
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} // anonymous namespace
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LogMessage::LogMessage(LogSeverity severity) : mSeverity(severity) {}
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LogMessage::LogMessage(LogMessage&& other) = default;
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LogMessage& LogMessage::operator=(LogMessage&& other) = default;
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#if defined(DAWN_DISABLE_LOGGING)
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LogMessage::~LogMessage() {
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(void)mSeverity;
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// Don't print logs to make fuzzing more efficient. Implemented as
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// an early return to avoid warnings about unused member variables.
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return;
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}
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#else // defined(DAWN_DISABLE_LOGGING)
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LogMessage::~LogMessage() {
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std::string fullMessage = mStream.str();
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// If this message has been moved, its stream is empty.
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if (fullMessage.empty()) {
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return;
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}
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const char* severityName = SeverityName(mSeverity);
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#if DAWN_PLATFORM_IS(ANDROID)
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android_LogPriority androidPriority = AndroidLogPriority(mSeverity);
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__android_log_print(androidPriority, "Dawn", "%s: %s\n", severityName, fullMessage.c_str());
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#else // DAWN_PLATFORM_IS(ANDROID)
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FILE* outputStream = stdout;
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if (mSeverity == LogSeverity::Warning || mSeverity == LogSeverity::Error) {
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outputStream = stderr;
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}
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#if DAWN_PLATFORM_IS(WINDOWS) && defined(OFFICIAL_BUILD)
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// If we are in a sandboxed process on an official build, the stdout/stderr
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// handles are likely not set, so trying to log to them will crash.
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HANDLE handle;
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if (outputStream == stderr) {
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handle = GetStdHandle(STD_ERROR_HANDLE);
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} else {
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handle = GetStdHandle(STD_OUTPUT_HANDLE);
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}
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if (handle == INVALID_HANDLE_VALUE) {
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return;
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}
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#endif // DAWN_PLATFORM_IS(WINDOWS) && defined(OFFICIAL_BUILD)
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// Note: we use fprintf because <iostream> includes static initializers.
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fprintf(outputStream, "%s: %s\n", severityName, fullMessage.c_str());
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fflush(outputStream);
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#endif // DAWN_PLATFORM_IS(ANDROID)
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}
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#endif // defined(DAWN_DISABLE_LOGGING)
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LogMessage DebugLog() {
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return LogMessage(LogSeverity::Debug);
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}
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LogMessage InfoLog() {
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return LogMessage(LogSeverity::Info);
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}
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LogMessage WarningLog() {
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return LogMessage(LogSeverity::Warning);
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}
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LogMessage ErrorLog() {
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return LogMessage(LogSeverity::Error);
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}
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LogMessage DebugLog(const char* file, const char* function, int line) {
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LogMessage message = DebugLog();
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message << file << ":" << line << "(" << function << ")";
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return message;
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}
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} // namespace dawn
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