diff options
Diffstat (limited to 'src/kmscon_seat.c')
| -rw-r--r-- | src/kmscon_seat.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/kmscon_seat.c b/src/kmscon_seat.c index 077acea..2178226 100644 --- a/src/kmscon_seat.c +++ b/src/kmscon_seat.c @@ -73,6 +73,7 @@ struct kmscon_seat { struct uterm_vt *vt; struct shl_dlist displays; + size_t session_count; struct shl_dlist sessions; struct kmscon_session *cur_sess; struct kmscon_session *dummy; @@ -560,6 +561,13 @@ int kmscon_seat_register_session(struct kmscon_seat *seat, if (!seat || !out) return -EINVAL; + if (kmscon_conf.session_max && + seat->session_count >= kmscon_conf.session_max) { + log_warning("maximum number of sessions reached (%d), dropping new session", + kmscon_conf.session_max); + return -EOVERFLOW; + } + sess = malloc(sizeof(*sess)); if (!sess) { log_error("cannot allocate memory for new session on seat %s", @@ -576,6 +584,7 @@ int kmscon_seat_register_session(struct kmscon_seat *seat, sess->data = data; shl_dlist_link_tail(&seat->sessions, &sess->list); + ++seat->session_count; *out = sess; shl_dlist_for_each(iter, &seat->displays) { @@ -612,6 +621,7 @@ void kmscon_session_unregister(struct kmscon_session *sess) session_deactivate(sess); shl_dlist_unlink(&sess->list); + --sess->seat->session_count; sess->seat = NULL; session_call(sess, KMSCON_SESSION_UNREGISTER, NULL); } |