X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Flogin%2Flogind-seat.c;h=8d13a63688180d7b029cab930e272259a4e9e64d;hp=04909a991a5f1a0de020b09e863ffdc065582ec3;hb=1b99ea27bc3ffa1fc6f7cfe89563d891a9aed4c5;hpb=0a1beeb64207eaa88ab9236787b1cbc2f704ae14
diff --git a/src/login/logind-seat.c b/src/login/logind-seat.c
index 04909a991..8d13a6368 100644
--- a/src/login/logind-seat.c
+++ b/src/login/logind-seat.c
@@ -19,21 +19,18 @@
along with systemd; If not, see .
***/
-#include
#include
#include
#include
-#include
-#include
#include
-#include "sd-id128.h"
#include "sd-messages.h"
#include "logind-seat.h"
#include "logind-acl.h"
#include "util.h"
#include "mkdir.h"
-#include "path-util.h"
+#include "formats-util.h"
+#include "terminal-util.h"
Seat *seat_new(Manager *m, const char *id) {
Seat *s;
@@ -96,11 +93,11 @@ int seat_save(Seat *s) {
r = mkdir_safe_label("/run/systemd/seats", 0755, 0, 0);
if (r < 0)
- goto finish;
+ goto fail;
r = fopen_temporary(s->state_file, &f, &temp_path);
if (r < 0)
- goto finish;
+ goto fail;
fchmod(fileno(f), 0644);
@@ -144,19 +141,24 @@ int seat_save(Seat *s) {
i->sessions_by_seat_next ? ' ' : '\n');
}
- fflush(f);
+ r = fflush_and_check(f);
+ if (r < 0)
+ goto fail;
- if (ferror(f) || rename(temp_path, s->state_file) < 0) {
+ if (rename(temp_path, s->state_file) < 0) {
r = -errno;
- unlink(s->state_file);
- unlink(temp_path);
+ goto fail;
}
-finish:
- if (r < 0)
- log_error_errno(-r, "Failed to save seat data %s: %m", s->state_file);
+ return 0;
- return r;
+fail:
+ (void) unlink(s->state_file);
+
+ if (temp_path)
+ (void) unlink(temp_path);
+
+ return log_error_errno(r, "Failed to save seat data %s: %m", s->state_file);
}
int seat_load(Seat *s) {
@@ -201,7 +203,7 @@ int seat_preallocate_vts(Seat *s) {
q = vt_allocate(i);
if (q < 0) {
- log_error_errno(-q, "Failed to preallocate VT %i: %m", i);
+ log_error_errno(q, "Failed to preallocate VT %u: %m", i);
r = q;
}
}
@@ -221,7 +223,7 @@ int seat_apply_acls(Seat *s, Session *old_active) {
!!s->active, s->active ? s->active->user->uid : 0);
if (r < 0)
- log_error_errno(-r, "Failed to apply ACLs: %m");
+ log_error_errno(r, "Failed to apply ACLs: %m");
return r;
}
@@ -272,7 +274,7 @@ int seat_set_active(Seat *s, Session *session) {
int seat_switch_to(Seat *s, unsigned int num) {
/* Public session positions skip 0 (there is only F1-F12). Maybe it
* will get reassigned in the future, so return error for now. */
- if (!num)
+ if (num == 0)
return -EINVAL;
if (num >= s->position_count || !s->positions[num]) {
@@ -289,12 +291,12 @@ int seat_switch_to(Seat *s, unsigned int num) {
int seat_switch_to_next(Seat *s) {
unsigned int start, i;
- if (!s->position_count)
+ if (s->position_count == 0)
return -EINVAL;
start = 1;
- if (s->active && s->active->pos > 0)
- start = s->active->pos;
+ if (s->active && s->active->position > 0)
+ start = s->active->position;
for (i = start + 1; i < s->position_count; ++i)
if (s->positions[i])
@@ -310,12 +312,12 @@ int seat_switch_to_next(Seat *s) {
int seat_switch_to_previous(Seat *s) {
unsigned int start, i;
- if (!s->position_count)
+ if (s->position_count == 0)
return -EINVAL;
start = 1;
- if (s->active && s->active->pos > 0)
- start = s->active->pos;
+ if (s->active && s->active->position > 0)
+ start = s->active->position;
for (i = start - 1; i > 0; --i)
if (s->positions[i])
@@ -340,12 +342,24 @@ int seat_active_vt_changed(Seat *s, unsigned int vtnr) {
log_debug("VT changed to %u", vtnr);
+ /* we might have earlier closing sessions on the same VT, so try to
+ * find a running one first */
LIST_FOREACH(sessions_by_seat, i, s->sessions)
- if (i->vtnr == vtnr) {
+ if (i->vtnr == vtnr && !i->stopping) {
new_active = i;
break;
}
+ if (!new_active) {
+ /* no running one? then we can't decide which one is the
+ * active one, let the first one win */
+ LIST_FOREACH(sessions_by_seat, i, s->sessions)
+ if (i->vtnr == vtnr) {
+ new_active = i;
+ break;
+ }
+ }
+
r = seat_set_active(s, new_active);
manager_spawn_autovt(s->manager, vtnr);
@@ -463,21 +477,21 @@ int seat_stop_sessions(Seat *s, bool force) {
void seat_evict_position(Seat *s, Session *session) {
Session *iter;
- unsigned int pos = session->pos;
+ unsigned int pos = session->position;
- session->pos = 0;
+ session->position = 0;
- if (!pos)
+ if (pos == 0)
return;
if (pos < s->position_count && s->positions[pos] == session) {
s->positions[pos] = NULL;
/* There might be another session claiming the same
- * position (eg., during gdm->session transition), so lets look
+ * position (eg., during gdm->session transition), so let's look
* for it and set it on the free slot. */
LIST_FOREACH(sessions_by_seat, iter, s->sessions) {
- if (iter->pos == pos) {
+ if (iter->position == pos && session_get_state(iter) != SESSION_CLOSING) {
s->positions[pos] = iter;
break;
}
@@ -495,15 +509,15 @@ void seat_claim_position(Seat *s, Session *session, unsigned int pos) {
seat_evict_position(s, session);
- session->pos = pos;
- if (pos > 0 && !s->positions[pos])
+ session->position = pos;
+ if (pos > 0)
s->positions[pos] = session;
}
static void seat_assign_position(Seat *s, Session *session) {
unsigned int pos;
- if (session->pos > 0)
+ if (session->position > 0)
return;
for (pos = 1; pos < s->position_count; ++pos)
@@ -590,7 +604,7 @@ bool seat_can_graphical(Seat *s) {
int seat_get_idle_hint(Seat *s, dual_timestamp *t) {
Session *session;
bool idle_hint = true;
- dual_timestamp ts = { 0, 0 };
+ dual_timestamp ts = DUAL_TIMESTAMP_NULL;
assert(s);