X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=man%2Fsd-daemon.xml;h=5f331e740a11c31020371c2cd18e2259597ee6b3;hp=3f428f4022442211e946d2d6739e47a7017c9052;hb=85a8eeee36b57c1ab382b0225fa9a87525bbeee9;hpb=71e6c1cf47c35cc5a58cefaabe4f6848d6f09501 diff --git a/man/sd-daemon.xml b/man/sd-daemon.xml index 3f428f402..5f331e740 100644 --- a/man/sd-daemon.xml +++ b/man/sd-daemon.xml @@ -8,20 +8,21 @@ Copyright 2010 Lennart Poettering systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. systemd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. + Lesser General Public License for more details. - You should have received a copy of the GNU General Public License + You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see . --> - + sd-daemon @@ -39,28 +40,39 @@ sd-daemon - 7 + 3 sd-daemon - Reference implementation of APIs for + SD_EMERG + SD_ALERT + SD_CRIT + SD_ERR + SD_WARNING + SD_NOTICE + SD_INFO + SD_DEBUG + APIs for new-style daemons - #include "sd-daemon.h" + #include <systemd/sd-daemon.h> + + + pkg-config --cflags --libs libsystemd + + Description - sd-daemon.c and - sd-daemon.h provide a reference - implementation of various APIs for new-style daemons, - as implemented by the + sd-daemon.h provide APIs + for new-style daemons, as implemented by the systemd1 init system. @@ -68,9 +80,10 @@ sd_listen_fds3, sd_notify3, sd_booted3, - sd_is_fifo3 + sd_is_fifo3, + sd_watchdog_enabled3 for more information about the functions - implemented. In addition to these functions a couple + implemented. In addition to these functions, a couple of logging prefixes are defined as macros: #define SD_EMERG "<0>" /* system is unusable */ @@ -83,18 +96,20 @@ #define SD_DEBUG "<7>" /* debug-level messages */ These prefixes are intended to be used in - conjunction with STDERR-based logging as implemented + conjunction with stderr-based logging as implemented by systemd. If a systemd service definition file is - configured with StandardError=syslog - or StandardError=kmsg these - prefixes can be used to encode a log level in lines + configured with + StandardError=journal, + StandardError=syslog or + StandardError=kmsg, these prefixes + can be used to encode a log level in lines printed. This is similar to the kernel printk()-style logging. See klogctl2 for more information. The log levels are identical to - syslog3's + syslog3's log level system. To use these prefixes simply prefix every line with one of these strings. A line that is not prefixed will be logged at the default log level @@ -110,42 +125,7 @@ - - Notes - - These interfaces are provided by the reference - implementation of APIs for new-style daemons and - distributed with the systemd package. The algorithms - they implement are simple, and can easily be - reimplemented in daemons if it is important to support - this interface without using the reference - implementation. See the respective function man pages - for details. - - In addition, for details about the algorithms - check the liberally licensed reference implementation - sources: - - resp. - - These APIs are implemented in the reference - implementation's sd-daemon.c and - sd-daemon.h files. These - interfaces are available as shared library, which can - be compiled and linked to with the - libsystemd-daemon - pkg-config1 - file. Alternatively, applications consuming these APIs - may copy the implementation into their source tree, - either verbatim or in excerpts. - - The functions directly related to new-style - daemons become NOPs when -DDISABLE_SYSTEMD is set - during compilation and the reference implementation is - used as drop-in files. In addition, if - sd-daemon.c is compiled on - non-Linux systems they become NOPs. - + See Also @@ -155,11 +135,12 @@ sd_notify3, sd_booted3, sd_is_fifo3, + sd_watchdog_enabled3, daemon7, systemd.service5, systemd.socket5, - fprintf3, - sd-readahead7 + fprintf3, + pkg-config1