syslog(2) - Linux manual page - Michael Kerrisk
man7.org › linux › man-pagesSYSLOG_ACTION_READ (2) Read from the log. The call waits until the kernel log buffer is nonempty, and then reads at most len bytes into the buffer pointed to by bufp. The call returns the number of bytes read. Bytes read from the log disappear from the log buffer: the information can be read only once.
man syslog (1): control system log
manpages.org › syslogThe syslog () function ensures that the process does not acquire the console as a controlling terminal in the process of writing the message. LOG_NDELAY Open the connection to the logging facility immediately. Normally the open is delayed until the first message is logged.
man syslog (1): control system log
https://manpages.org/syslogman syslog (1): The syslog() function shall send a message to an implementation-defined logging facility, which may log it in an implementation-defined system log, write it to the system console, forward it to a list of users, or forward it to the logging facility on ano
syslogd(8): system logging utilities - Linux man page
https://linux.die.net/man/8/syslogdSysklogd provides two system utilities which provide support for system logging and kernel message trapping. Support of both internet and unix domain sockets enables this utility package to support both local and remote logging. System logging is provided by a version of syslogd(8) derived from the stock BSD sources.Support for kernel logging is provided by the klogd(8) …
syslog man page - Library Functions | ManKier
https://www.mankier.com/3/syslog22.03.2021 · syslog() generates a log message, which will be distributed by syslogd(8). The priority argument is formed by ORing together a facility value and a level value (described below). If no facility value is ORed into priority , then the default value set by openlog () is used, or, if there was no preceding openlog () call, a default of LOG_USER is employed.
syslog man page - Library Functions | ManKier
www.mankier.com › 3 › syslogMar 22, 2021 · syslog() generates a log message, which will be distributed by syslogd(8). The priority argument is formed by ORing together a facility value and a level value (described below). If no facility value is ORed into priority , then the default value set by openlog () is used, or, if there was no preceding openlog () call, a default of LOG_USER is ...
syslog(3) - Linux manual page - Michael Kerrisk
www.man7.org › linux › man-pagesThe use of openlog () is optional; it will automatically be called by syslog () if necessary, in which case ident will default to NULL. syslog () and vsyslog () syslog () generates a log message, which will be distributed by syslogd (8). The priority argument is formed by ORing together a facility value and a level value (described below).
syslog • man page
https://helpmanual.io/man2/syslogThis page describes the kernel syslog() system call, which is used to control the kernel printk() buffer; the glibc wrapper function for the system call is called klogctl(). The kernel log buffer The kernel has a cyclic buffer of length LOG_BUF_LEN in which messages given as arguments to the kernel function printk () are stored (regardless of their log level).
syslog • man page
helpmanual.io › man2 › syslogNote: Probably, you are looking for the C library function syslog(), which talks to syslogd(8); see syslog(3) for details. This page describes the kernel syslog () system call, which is used to control the kernel printk () buffer; the glibc wrapper function for the system call is called klogctl ().