O'Reilly logo

Programming PHP, 3rd Edition by Peter MacIntyre, Kevin Tatroe, Rasmus Lerdorf

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Name

openlog

Synopsis

bool openlog(string identity, int options, int facility)

Opens a connection to the system logger. Each message sent to the logger with a subsequent call to syslog() is prepended by identity. Various options can be specified by options; OR any options you want to include. The valid options are:

LOG_CONS

If an error occurs while writing to the system log, write the error to the system console.

LOG_NDELAY

Open the system log immediately.

LOG_ODELAY

Delay opening the system log until the first message is written to it.

LOG_PERROR

Print this message to standard error in addition to writing it to the system log.

LOG_PID

Include the PID in each message.

The third parameter, facility, tells the system log what kind of program is logging to the system log. The following facilities are available:

LOG_AUTH

Security and authorization errors (deprecated; if LOG_AUTHPRIV is available, use it instead)

LOG_AUTHPRIV

Security and authorization errors

LOG_CRON

Clock daemon (cron and at) errors

LOG_DAEMON

Errors for system daemons not given their own codes

LOG_KERN

Kernel errors

LOG_LPR

Line printer subsystem errors

LOG_MAIL

Mail errors

LOG_NEWS

USENET news system errors

LOG_SYSLOG

Errors generated internally by syslogd

LOG_AUTHPRIV

Security and authorization errors

LOG_USER

Generic user-level errors

LOG_UUCP

UUCP errors

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required