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Changes:
Add support for logger -k, early log to /dev/kmsg. Useful when
logging from early system startup scripts before syslogd has started
Support for extracting non-kernel log messages from /dev/kmsg
Ignore EINVAL from kernel, caused warning message at first startup
Use journald socket on systemd systems, not /dev/log
Issue #38: add support for syslogd -C file to use file for caching
the last seen kernel sequence number, default: /run/syslogd.cache.
Note: syslogd relies on the location of this file to be wiped at
system boot. The default, /run, is a RAM disk on modern systems
Fixes
Issue #34: regression in v2.2.3, causing loss of syslogd log messages
like syslogd v2.2.3: restart.
Issue #35: man pages lists -v as verbose mode, is actually version
Issue #36: retry DNS lookup of remote syslog servers with res_init()
to ensure name resolution at bootup when a remote DNS may temporarily
be unreachable. Retry at most every five seconds, to prevent syslogd
from monopolizing the CPU when emptying the kernel ring buffer
Issue #39: update tests to use -P fn and -C fn
Issue #40: improve documentation for syslogd.cache file requirements
Issue #41: add missing documentation for -H option
Issue #42: add option (-K) to always trust kernel timestamp. By
default syslogd only trusts the kernel timestamp for the initial
emptying of the kernel ring buffer
Issue #43: avoid asserting (exiting) on and around Jan 19, 2038, when
the UNIX epoch wraps around on 32-bit time_t systems
libsyslog: handle EOVERFLOW from gettimeofday() on Jan 19, 2038
Avoid NULL pointers to internal logit() function, only triggered
when in debug mode
Replace \m with \n (missing newline) in logger usage text
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Richard Purdie
Alexander Kanavin
wangmy