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Merge "Add some basic docs for <android-base/logging.h>" am: 3b5089371b

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am: 8d8c3026a8

Change-Id: Iff7d38052aa2a9b26ca2d43ef02f9fed352f5fe9
This commit is contained in:
Elliott Hughes 2017-02-24 01:02:07 +00:00 committed by android-build-merger
commit 13c0d23711
1 changed files with 31 additions and 0 deletions
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31
base/include/android-base/logging.h
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@ -17,6 +17,37 @@
#ifndef ANDROID_BASE_LOGGING_H
#define ANDROID_BASE_LOGGING_H
//
// Google-style C++ logging.
//
// This header provides a C++ stream interface to logging.
//
// To log:
//
// LOG(INFO) << "Some text; " << some_value;
//
// Replace `INFO` with any severity from `enum LogSeverity`.
//
// To log the result of a failed function and include the string
// representation of `errno` at the end:
//
// PLOG(ERROR) << "Write failed";
//
// The output will be something like `Write failed: I/O error`.
// Remember this as 'P' as in perror(3).
//
// To output your own types, simply implement operator<< as normal.
//
// By default, output goes to logcat on Android and stderr on the host.
// A process can use `SetLogger` to decide where all logging goes.
// Implementations are provided for logcat, stderr, and dmesg.
// This header also provides assertions:
//
// CHECK(must_be_true);
// CHECK_EQ(a, b) << z_is_interesting_too;
// NOTE: For Windows, you must include logging.h after windows.h to allow the
// following code to suppress the evil ERROR macro:
#ifdef _WIN32