| // Copyright 2012 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "partition_alloc/partition_alloc_base/logging.h" |
| |
| // TODO(1151236): After finishing copying //base files to PA library, remove |
| // defined(BASE_CHECK_H_) from here. |
| #if defined( \ |
| BASE_ALLOCATOR_PARTITION_ALLOCATOR_SRC_PARTITION_ALLOC_PARTITION_ALLOC_BASE_CHECK_H_) || \ |
| defined(BASE_CHECK_H_) || \ |
| defined( \ |
| BASE_ALLOCATOR_PARTITION_ALLOCATOR_SRC_PARTITION_ALLOC_PARTITION_ALLOC_CHECK_H_) |
| #error "logging.h should not include check.h" |
| #endif |
| |
| #include "build/build_config.h" |
| #include "partition_alloc/partition_alloc_base/component_export.h" |
| #include "partition_alloc/partition_alloc_base/debug/alias.h" |
| #include "partition_alloc/partition_alloc_base/immediate_crash.h" |
| |
| #include <algorithm> |
| |
| #if BUILDFLAG(IS_WIN) |
| |
| #include <io.h> |
| #include <windows.h> |
| |
| #endif |
| |
| #if BUILDFLAG(IS_POSIX) || BUILDFLAG(IS_FUCHSIA) |
| #include <errno.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <unistd.h> |
| #endif |
| |
| #include "partition_alloc/partition_alloc_base/posix/eintr_wrapper.h" |
| |
| namespace partition_alloc::internal::logging { |
| |
| namespace { |
| |
| int g_min_log_level = 0; |
| |
| #if !BUILDFLAG(IS_WIN) |
| void WriteToStderr(const char* data, size_t length) { |
| size_t bytes_written = 0; |
| int rv; |
| while (bytes_written < length) { |
| rv = PA_HANDLE_EINTR( |
| write(STDERR_FILENO, data + bytes_written, length - bytes_written)); |
| if (rv < 0) { |
| // Give up, nothing we can do now. |
| break; |
| } |
| bytes_written += rv; |
| } |
| } |
| #else // !BUILDFLAG(IS_WIN) |
| void WriteToStderr(const char* data, size_t length) { |
| HANDLE handle = ::GetStdHandle(STD_ERROR_HANDLE); |
| const char* ptr = data; |
| const char* ptr_end = data + length; |
| while (ptr < ptr_end) { |
| DWORD bytes_written = 0; |
| if (!::WriteFile(handle, ptr, ptr_end - ptr, &bytes_written, nullptr) || |
| bytes_written == 0) { |
| // Give up, nothing we can do now. |
| break; |
| } |
| ptr += bytes_written; |
| } |
| } |
| #endif // !BUILDFLAG(IS_WIN) |
| |
| } // namespace |
| |
| void SetMinLogLevel(int level) { |
| g_min_log_level = std::min(LOGGING_FATAL, level); |
| } |
| |
| int GetMinLogLevel() { |
| return g_min_log_level; |
| } |
| |
| bool ShouldCreateLogMessage(int severity) { |
| if (severity < g_min_log_level) { |
| return false; |
| } |
| |
| // Return true here unless we know ~LogMessage won't do anything. |
| return true; |
| } |
| |
| int GetVlogVerbosity() { |
| return std::max(-1, LOGGING_INFO - GetMinLogLevel()); |
| } |
| |
| void RawLog(int level, const char* message) { |
| if (level >= g_min_log_level && message) { |
| #if !BUILDFLAG(IS_WIN) |
| const size_t message_len = strlen(message); |
| #else // !BUILDFLAG(IS_WIN) |
| const size_t message_len = ::lstrlenA(message); |
| #endif // !BUILDFLAG(IS_WIN) |
| WriteToStderr(message, message_len); |
| |
| if (message_len > 0 && message[message_len - 1] != '\n') { |
| WriteToStderr("\n", 1); |
| } |
| } |
| } |
| |
| } // namespace partition_alloc::internal::logging |