mirror of https://github.com/mkerrisk/man-pages
160 lines
3.6 KiB
Plaintext
160 lines
3.6 KiB
Plaintext
.\" Copyright (c) 2001-2003 The Open Group, All Rights Reserved
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.TH "<syslog.h>" P 2003 "IEEE/The Open Group" "POSIX Programmer's Manual"
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.\" <syslog.h>
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.SH NAME
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syslog.h \- definitions for system error logging
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.SH SYNOPSIS
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.LP
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\fB#include <syslog.h> \fP
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.SH DESCRIPTION
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.LP
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The \fI<syslog.h>\fP header shall define the following symbolic constants,
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zero or more of which may be OR'ed together to
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form the \fIlogopt\fP option of \fIopenlog\fP():
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.TP 7
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LOG_PID
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Log the process ID with each message.
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.TP 7
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LOG_CONS
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Log to the system console on error.
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.TP 7
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LOG_NDELAY
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Connect to syslog daemon immediately.
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.TP 7
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LOG_ODELAY
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Delay open until \fIsyslog\fP() is called.
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.TP 7
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LOG_NOWAIT
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Do not wait for child processes.
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.sp
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.LP
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The following symbolic constants shall be defined as possible values
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of the \fIfacility\fP argument to \fIopenlog\fP():
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.TP 7
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LOG_KERN
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Reserved for message generated by the system.
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.TP 7
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LOG_USER
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Message generated by a process.
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.TP 7
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LOG_MAIL
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Reserved for message generated by mail system.
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.TP 7
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LOG_NEWS
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Reserved for message generated by news system.
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.TP 7
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LOG_UUCP
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Reserved for message generated by UUCP system.
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.TP 7
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LOG_DAEMON
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Reserved for message generated by system daemon.
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.TP 7
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LOG_AUTH
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Reserved for message generated by authorization daemon.
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.TP 7
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LOG_CRON
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Reserved for message generated by clock daemon.
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.TP 7
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LOG_LPR
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Reserved for message generated by printer system.
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.TP 7
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LOG_LOCAL0
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Reserved for local use.
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.TP 7
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LOG_LOCAL1
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Reserved for local use.
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.TP 7
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LOG_LOCAL2
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Reserved for local use.
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.TP 7
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LOG_LOCAL3
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Reserved for local use.
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.TP 7
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LOG_LOCAL4
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Reserved for local use.
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.TP 7
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LOG_LOCAL5
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Reserved for local use.
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.TP 7
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LOG_LOCAL6
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Reserved for local use.
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.TP 7
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LOG_LOCAL7
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Reserved for local use.
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.sp
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.LP
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The following shall be declared as macros for constructing the \fImaskpri\fP
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argument to \fIsetlogmask\fP(). The following macros expand to an
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expression of type \fBint\fP when the
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argument \fIpri\fP is an expression of type \fBint\fP:
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.TP 7
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LOG_MASK(\fIpri\fP)
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A mask for priority \fIpri\fP.
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.sp
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.LP
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The following constants shall be defined as possible values for the
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\fIpriority\fP argument of \fIsyslog\fP():
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.TP 7
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LOG_EMERG
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A panic condition was reported to all processes.
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.TP 7
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LOG_ALERT
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A condition that should be corrected immediately.
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.TP 7
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LOG_CRIT
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A critical condition.
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.TP 7
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LOG_ERR
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An error message.
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.TP 7
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LOG_WARNING
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A warning message.
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.TP 7
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LOG_NOTICE
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A condition requiring special handling.
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.TP 7
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LOG_INFO
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A general information message.
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.TP 7
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LOG_DEBUG
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A message useful for debugging programs.
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.sp
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.LP
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The following shall be declared as functions and may also be defined
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as macros. Function prototypes shall be provided.
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.sp
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.RS
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.nf
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\fBvoid closelog(void);
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void openlog(const char *, int, int);
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int setlogmask(int);
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void syslog(int, const char *, ...);
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\fP
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.fi
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.RE
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.LP
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\fIThe following sections are informative.\fP
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.SH APPLICATION USAGE
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.LP
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None.
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.SH RATIONALE
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.LP
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None.
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.SH FUTURE DIRECTIONS
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.LP
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None.
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.SH SEE ALSO
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.LP
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The System Interfaces volume of IEEE\ Std\ 1003.1-2001, \fIcloselog\fP()
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.SH COPYRIGHT
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Portions of this text are reprinted and reproduced in electronic form
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from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
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-- Portable Operating System Interface (POSIX), The Open Group Base
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Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of
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Electrical and Electronics Engineers, Inc and The Open Group. In the
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event of any discrepancy between this version and the original IEEE and
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The Open Group Standard, the original IEEE and The Open Group Standard
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is the referee document. The original Standard can be obtained online at
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http://www.opengroup.org/unix/online.html .
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