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Explain log levels. #515

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Mar 25, 2020
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Explain log levels. #515

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15 changes: 15 additions & 0 deletions src/glog/log_severity.h
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,21 @@
#ifndef BASE_LOG_SEVERITY_H__
#define BASE_LOG_SEVERITY_H__

// The recommended semantics of the log levels are as follows:
//
// INFO:
// Use for state changes or other major events, or to aid debugging.
// WARNING:
// Use for undesired but relatively expected events, which may indicate a
// problem
// ERROR:
// Use for undesired and unexpected events that the program can recover from.
// All ERRORs should be actionable - it should be appropriate to file a bug
// whenever an ERROR occurs in production.
// FATAL:
// Use for undesired and unexpected events that the program cannot recover
// from.

// Annoying stuff for windows -- makes sure clients can import these functions
#ifndef GOOGLE_GLOG_DLL_DECL
# if defined(_WIN32) && !defined(__CYGWIN__)
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