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=5006be4df5421536518bc30d7dd4382098529417;hp=1fa7457f7873b00a530657e6f5e7938e86be1902;hb=79c1afc67f973eaece8f1b7016e016bb33c256a7;hpb=a485210ce73fe1186fdc5fae481dc31773e14b3c diff --git a/man/sd_session_is_active.xml b/man/sd_session_is_active.xml index 1fa7457f7..5006be4df 100644 --- a/man/sd_session_is_active.xml +++ b/man/sd_session_is_active.xml @@ -21,7 +21,7 @@ along with systemd; If not, see . --> - + sd_session_is_active @@ -44,6 +44,7 @@ sd_session_is_active + sd_session_is_remote sd_session_get_state sd_session_get_uid sd_session_get_seat @@ -52,6 +53,9 @@ sd_session_get_class sd_session_get_display sd_session_get_tty + sd_session_get_vt + sd_session_get_remote_host + sd_session_get_remote_user Determine state of a specific session @@ -61,55 +65,78 @@ int sd_session_is_active - const char* session + const char *session + + + + int sd_session_is_remote + const char *session int sd_session_get_state - const char* session - char** state + const char *session + char **state int sd_session_get_uid - const char* session - uid_t* uid + const char *session + uid_t *uid int sd_session_get_seat - const char* session - char** seat + const char *session + char **seat int sd_session_get_service - const char* session - char** service + const char *session + char **service int sd_session_get_type - const char* session - char** type + const char *session + char **type int sd_session_get_class - const char* session - char** class + const char *session + char **class int sd_session_get_display - const char* session - char** display + const char *session + char **display + + + + int sd_session_get_remote_host + const char *session + char **remote_host + + + + int sd_session_get_remote_user + const char *session + char **remote_user int sd_session_get_tty - const char* session - char** tty + const char *session + char **tty + + + + int sd_session_get_vt + const char *session + unsigned int *vt @@ -123,6 +150,11 @@ (i.e. currently in the foreground and available for user input) or not. + sd_session_is_remote() may + be used to determine whether the session identified by + the specified session identifier is a remote session + (i.e. its remote host is known) or not. + sd_session_get_state() may be used to determine the state of the session identified by the specified session identifier. The @@ -139,7 +171,7 @@ returned. This function is a more generic version of sd_session_is_active(). The returned string needs to be freed with the libc - free3 + free3 call after use. sd_session_get_uid() may be @@ -153,7 +185,7 @@ identifier belongs to. Note that not all sessions are attached to a seat, this call will fail for them. The returned string needs to be freed with the libc - free3 + free3 call after use. sd_session_get_service() @@ -162,27 +194,28 @@ session identified by the specified session identifier. The returned string needs to be freed with the libc - free3 + free3 call after use. sd_session_get_type() may be used to determine the type of the session identified by the specified session identifier. The returned string is one of x11, - tty or - unspecified and needs to be freed - with the libc - free3 + wayland, tty, + mir or unspecified and + needs to be freed with the libc + free3 call after use. sd_session_get_class() may 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 + free3 call after use. sd_session_get_display() @@ -190,36 +223,63 @@ session identified by the specified session identifier. The returned string needs to be freed with the libc - free3 + free3 + call after use. + + sd_session_get_remote_host() + may be used to determine the remote hostname of the + session identified by the specified session + identifier. The returned string needs to be + freed with the libc + free3 call after use. + sd_session_get_remote_user() + may be used to determine the remote username of the + session identified by the specified session + identifier. The returned string needs to be + freed with the libc + free3 + call after use. Note that this value is rarely known + to the system, and even then should not be relied on. + 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 + 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. + sd_session_get_vt() + may be used to determine the VT number of the + session identified by the specified session + identifier. This function will return an error if + the seat does not support VTs. + + 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. Return Value - If the test succeeds - sd_session_is_active() returns a - positive integer, if it fails 0. On success + If the test succeeds, + sd_session_is_active() and + sd_session_is_remote() return a + positive integer; if it fails, 0. On success, 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() and + sd_session_get_display(), + sd_session_get_remote_user(), + sd_session_get_remote_host() and sd_session_get_tty() return 0 or a positive integer. On failure, these calls return a negative errno-style error code. @@ -235,12 +295,13 @@ sd_session_get_service(), sd_session_get_type(), sd_session_get_class(), - sd_session_get_display() and + sd_session_get_display(), + sd_session_get_remote_host(), + sd_session_get_remote_user() and sd_session_get_tty() - interfaces are available as shared library, which can + interfaces are available as a shared library, which can be compiled and linked to with the - libsystemd-login - pkg-config1 + libsystemd pkg-config1 file.