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login: introduce sd_session_get_display()

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This commit is contained in:
Lennart Poettering 2012-02-15 04:56:10 +01:00
parent 068665b6fd
commit fc8af9ff3f
4 changed files with 13 additions and 1 deletions
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1
src/login/libsystemd-login.sym
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@ -44,4 +44,5 @@ LIBSYSTEMD_LOGIN_43 {
global:
sd_session_get_type;
sd_session_get_class;
sd_session_get_display;
} LIBSYSTEMD_LOGIN_38;

4
src/login/sd-login.c
View file

@ -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;

6
src/login/test-login.c
View file

@ -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);

3
src/systemd/sd-login.h
View file

@ -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);