X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=man%2Fsd-daemon.xml;h=2b4f3a5598fb5220299ce6951b71738e8e19960d;hp=da1e5b31bbf08a613009f2622a9d27a03f394bf6;hb=05a2f6fefedd7254fd799502191d025d2908cf74;hpb=160cd5c9aa2301892e13950015de7968c764340d diff --git a/man/sd-daemon.xml b/man/sd-daemon.xml index da1e5b31b..2b4f3a559 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 @@ -39,38 +40,50 @@ 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 - systemd8 + sd-daemon.h provide APIs + for new-style daemons, as implemented by the + systemd1 init system. See 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 */ @@ -83,10 +96,10 @@ #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 + 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 @@ -110,39 +123,7 @@ - - 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 drop-in - sd-daemon.c and - sd-daemon.h files. It is - recommended that applications consuming these APIs copy - the implementation into their source tree, either - verbatim or in excerpts. These interfaces are - currently not available in a dynamic library. - - The functions directly related to new-style - daemons become NOPs when -DDISABLE_SYSTEMD is set - during compilation. In addition, if - sd-daemon.c is compiled on - non-Linux systems they become NOPs, too. - + See Also @@ -152,10 +133,13 @@ sd_notify3, sd_booted3, sd_is_fifo3, + sd_watchdog_enabled3, daemon7, systemd.service5, systemd.socket5, - fprintf3 + fprintf3, + sd-readahead3, + pkg-config1