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authorLennart Poettering <lennart@poettering.net>2012-02-15 04:56:10 +0100
committerLennart Poettering <lennart@poettering.net>2012-02-15 04:56:10 +0100
commitfc8af9ff3fbbbf21bf26f21d2eb100f26afc201a (patch)
tree6fcdbdd6aa92862ed5b256b1bc6411809c7cfde9 /src
parent068665b6fd9839f27bcace7e8f56c0baa6935272 (diff)
login: introduce sd_session_get_display()
Diffstat (limited to 'src')
-rw-r--r--src/login/libsystemd-login.sym1
-rw-r--r--src/login/sd-login.c4
-rw-r--r--src/login/test-login.c6
-rw-r--r--src/systemd/sd-login.h3
4 files changed, 13 insertions, 1 deletions
diff --git a/src/login/libsystemd-login.sym b/src/login/libsystemd-login.sym
index 2ae376da44..a5e6c1e756 100644
--- a/src/login/libsystemd-login.sym
+++ b/src/login/libsystemd-login.sym
@@ -44,4 +44,5 @@ LIBSYSTEMD_LOGIN_43 {
global:
sd_session_get_type;
sd_session_get_class;
+ sd_session_get_display;
} LIBSYSTEMD_LOGIN_38;
diff --git a/src/login/sd-login.c b/src/login/sd-login.c
index c100a7b4f2..887c421009 100644
--- a/src/login/sd-login.c
+++ b/src/login/sd-login.c
@@ -475,6 +475,10 @@ _public_ int sd_session_get_class(const char *session, char **class) {
return session_get_string(session, "CLASS", class);
}
+_public_ int sd_session_get_display(const char *session, char **display) {
+ return session_get_string(session, "DISPLAY", display);
+}
+
static int file_of_seat(const char *seat, char **_p) {
char *p;
int r;
diff --git a/src/login/test-login.c b/src/login/test-login.c
index 2aaa31f22f..dd8404285b 100644
--- a/src/login/test-login.c
+++ b/src/login/test-login.c
@@ -30,7 +30,7 @@
int main(int argc, char* argv[]) {
int r, k;
uid_t u, u2;
- char *seat, *type, *class;
+ char *seat, *type, *class, *display;
char *session;
char *state;
char *session2;
@@ -83,6 +83,10 @@ int main(int argc, char* argv[]) {
printf("class = %s\n", class);
free(class);
+ assert_se(sd_session_get_display(session, &display) >= 0);
+ printf("display = %s\n", display);
+ free(display);
+
assert_se(sd_session_get_seat(session, &seat) >= 0);
printf("seat = %s\n", seat);
diff --git a/src/systemd/sd-login.h b/src/systemd/sd-login.h
index 879e0744a8..2f3c90c129 100644
--- a/src/systemd/sd-login.h
+++ b/src/systemd/sd-login.h
@@ -96,6 +96,9 @@ int sd_session_get_type(const char *session, char **type);
/* Determine the class of this session, i.e. one of "user", "greeter" or "lock-screen". */
int sd_session_get_class(const char *session, char **class);
+/* Determine the X11 display of this session. */
+int sd_session_get_display(const char *session, char **display);
+
/* Return active session and user of seat */
int sd_seat_get_active(const char *seat, char **session, uid_t *uid);