X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=man%2Fdaemon.xml;h=9d43353f90096eb6725913d9e9620ba1d0c19295;hp=7e7039e07ad5a226f190ea302d8b517c2fcc6d17;hb=34511ca7b166b0e89d08ff9870b0cf2624a7815f;hpb=2dddca4a8d5d7550860ec90b401eb29735d1b846 diff --git a/man/daemon.xml b/man/daemon.xml index 7e7039e07..9d43353f9 100644 --- a/man/daemon.xml +++ b/man/daemon.xml @@ -8,16 +8,16 @@ 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 . --> @@ -44,7 +44,7 @@ daemon - Writing and Packaging System Daemons + Writing and packaging system daemons @@ -323,7 +323,7 @@ Instead of using the syslog() call to log directly to the - system logger, a new-style daemon may + system syslog service, a new-style daemon may choose to simply log to STDERR via fprintf(), which is then forwarded to syslog by the init system. If log @@ -345,7 +345,7 @@ StandardError=syslog in the service unit file. For details see - sd-daemon7 + sd-daemon3 and systemd.exec5. @@ -397,7 +397,7 @@ url="http://refspecs.freestandards.org/LSB_3.1.1/LSB-Core-generic/LSB-Core-generic/iniscrptact.html">LSB Linux Standard Base Core Specification. This method of - activation is supported ubiquitiously on Linux + activation is supported ubiquitously on Linux init systems, both old-style and new-style systems. Among other issues SysV init scripts have the disadvantage of involving shell @@ -468,7 +468,7 @@ this scheme provided by systemd see sd_listen_fds3 and - sd-daemon7. For + sd-daemon3. For details about porting existing daemons to socket-based activation see below. With minimal effort it is possible to implement @@ -705,24 +705,6 @@ operating system-independent. - Since not all syslog - implementations are socket-activatable - yet, it is recommended to place an - After=syslog.target - dependency in service files for - daemons that can log to - syslog. syslog.target - then either pulls in the syslog daemon - itself or simply the activation - socket. A Wants= or - even Requires= - dependency should generally not be - added, since it should be up to the - administrator whether he wants to - enable logging or not, and most syslog - clients work fine if no log daemon is - running. - Make sure to include an [Install] section including installation @@ -795,7 +777,7 @@ AM_CONDITIONAL(HAVE_SYSTEMD, [test -n "$with_systemdsystemunitdir" -a "x$with_sy machines, and optionally allows their installation even on machines lacking systemd. (Modification of this snippet for the - user unit directory is left as excercise to the + user unit directory is left as an exercise for the reader.) Additionally, to ensure that @@ -819,48 +801,49 @@ endif In the rpm8 - .spec file use a snippet like - the following to enable/disable the service - during installation/deinstallation. Consult + .spec file use snippets + like the following to enable/disable the + service during + installation/deinstallation. This makes use of + the RPM macros shipped along systemd. Consult the packaging guidelines of your distribution for details and the equivalent for other - package managers: + package managers. + + At the top of the file: + + BuildRequires: systemd +%{?systemd_requires} + + And as scriptlets, further down: %post -if [ $1 -eq 1 ]; then - # On install (not upgrade), enable (but don't start) the - # units by default - /bin/systemctl enable foobar.service foobar.socket >/dev/null 2>&1 || : - - # Alternatively, just call - # /bin/systemctl daemon-reload >/dev/null 2>&1 || : - # here, if the daemon should not be enabled by default on - # installation -fi +%systemd_post foobar.service foobar.socket %preun -if [ $1 -eq 0 ]; then - # On uninstall (not upgrade), disable and stop the units - /bin/systemctl disable foobar.service foobar.socket >/dev/null 2>&1 || : - /bin/systemctl stop foobar.service foobar.socket >/dev/null 2>&1 || : -fi +%systemd_preun foobar.service foobar.socket %postun -# Reload init system configuration, to make systemd honour changed -# or deleted unit files -/bin/systemctl daemon-reload >/dev/null 2>&1 || : -if [ $1 -ge 1 ] ; then - # On upgrade (not uninstall), optionally, restart the daemon - /bin/systemctl try-restart foobar.service >/dev/null 2>&1 || : -fi - - Depending on whether your service should - or should not be started/stopped/restarted - during package installation, deinstallation or - upgrade, a different set of commands may be - specified. See - systemctl1 - for details. +%systemd_postun + + If the service shall be restarted during + upgrades replace the + %postun scriptlet above + with the following: + + %postun +%systemd_postun_with_restart foobar.service + + Note that + %systemd_post and + %systemd_preun expect the + names of all units that are installed/removed + as arguments, separated by + spaces. %systemd_postun + expects no + arguments. %systemd_postun_with_restart + expects the units to restart as + arguments. To facilitate upgrades from a package version that shipped only SysV init scripts to @@ -869,8 +852,8 @@ fi a fragment like the following: %triggerun -- foobar < 0.47.11-1 -if /sbin/chkconfig foobar ; then - /bin/systemctl enable foobar.service foobar.socket >/dev/null 2>&1 || : +if /sbin/chkconfig --level 5 foobar ; then + /bin/systemctl --no-reload enable foobar.service foobar.socket >/dev/null 2>&1 || : fi Where 0.47.11-1 is the first package @@ -955,7 +938,7 @@ fi See Also systemd1, - sd-daemon7, + sd-daemon3, sd_listen_fds3, sd_notify3, daemon3,