X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=man%2Fsd_session_is_active.xml;h=e89117d990a1314f9fda5a8ace15957397518426;hp=afdeed55d61f3d0301fb9523a3f903253158b893;hb=7abfbe7903d8e792850ec39286a3d86e616a6477;hpb=19c5f19d69bb5f520fa7213239490c55de06d99d diff --git a/man/sd_session_is_active.xml b/man/sd_session_is_active.xml index afdeed55d..e89117d99 100644 --- a/man/sd_session_is_active.xml +++ b/man/sd_session_is_active.xml @@ -8,20 +8,20 @@ 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_session_is_active @@ -44,12 +44,14 @@ sd_session_is_active + sd_session_get_state sd_session_get_uid sd_session_get_seat sd_session_get_service sd_session_get_type sd_session_get_class sd_session_get_display + sd_session_get_tty Determine state of a specific session @@ -62,6 +64,12 @@ const char* session + + int sd_session_get_state + const char* session + char** state + + int sd_session_get_uid const char* session @@ -97,6 +105,12 @@ const char* session char** display + + + int sd_session_get_tty + const char* session + char** tty + @@ -109,6 +123,25 @@ (i.e. currently in the foreground and available for user input) or not. + sd_session_get_state() may + be used to determine the state of the session + identified by the specified session identifier. The + following states are currently known: + online (session logged in, but + session not active, i.e. not in the foreground), + active (session logged in and + active, i.e. in the foreground), + closing (session nominally logged + out, but some processes belonging to it are still + around). In the future additional states might be + defined, client code should be written to be robust in + regards to additional state strings being + returned. This function is a more generic version of + sd_session_is_active(). The returned + string needs to be freed with the libc + free3 + call after use. + sd_session_get_uid() may be used to determine the user identifier of the Unix user the session identified by the specified session identifier belongs @@ -146,8 +179,9 @@ be used to determine the class of the session identified by the specified session identifier. The returned string is one of user, - greeter or - lock-screen and needs to be freed + greeter, + lock-screen, or + background and needs to be freed with the libc free3 call after use. @@ -155,15 +189,24 @@ sd_session_get_display() may be used to determine the X11 display of the session identified by the specified session - identifier. The returned string is one of needs to be + identifier. The returned string needs to be + freed with the libc + free3 + call after use. + + sd_session_get_tty() + may be used to determine the TTY device of the + session identified by the specified session + identifier. The returned string needs to be freed with the libc free3 call after use. - If the session parameter of - any of these functions is passed as NULL the operation - is executed for the session the calling process is a - member of, if there is any. + If the session parameter of + any of these functions is passed as + NULL the operation is executed + for the session the calling process is a member of, if + there is any. @@ -172,9 +215,14 @@ If the test succeeds sd_session_is_active() returns a positive integer, if it fails 0. On success + sd_session_get_state(), sd_session_get_uid(), - sd_session_get_service() and - sd_session_get_seat() return 0 or + sd_session_get_seat(), + sd_session_get_service(), + sd_session_get_type(), + sd_session_get_class(), + sd_session_get_display() and + sd_session_get_tty() return 0 or a positive integer. On failure, these calls return a negative errno-style error code. @@ -183,13 +231,17 @@ Notes The sd_session_is_active(), + sd_session_get_state(), sd_session_get_uid(), - sd_session_get_service() and - sd_session_get_seat() interfaces - are available as shared library, which can be compiled - and linked to with the - libsystemd-login - pkg-config1 + sd_session_get_seat(), + sd_session_get_service(), + sd_session_get_type(), + sd_session_get_class(), + sd_session_get_display() and + sd_session_get_tty() + interfaces are available as shared library, which can + be compiled and linked to with the + libsystemd-login pkg-config1 file. @@ -198,7 +250,7 @@ systemd1, - sd-login7, + sd-login3, sd_pid_get_session3