diff options
-rw-r--r-- | include/seat.h | 1 | ||||
-rw-r--r-- | seatd/seat.c | 67 |
2 files changed, 45 insertions, 23 deletions
diff --git a/include/seat.h b/include/seat.h index cc21b7f..fa5873c 100644 --- a/include/seat.h +++ b/include/seat.h @@ -44,7 +44,6 @@ void seat_destroy(struct seat *seat); int seat_add_client(struct seat *seat, struct client *client); int seat_remove_client(struct client *client); int seat_open_client(struct seat *seat, struct client *client); -int seat_close_client(struct client *client); int seat_ack_disable_client(struct client *client); struct seat_device *seat_open_device(struct client *client, const char *path); diff --git a/seatd/seat.c b/seatd/seat.c index 0893db7..3e134b1 100644 --- a/seatd/seat.c +++ b/seatd/seat.c @@ -18,6 +18,8 @@ #include "seat.h" #include "terminal.h" +static int seat_close_client(struct client *client); + struct seat *seat_create(const char *seat_name, bool vt_bound) { struct seat *seat = calloc(1, sizeof(struct seat)); if (seat == NULL) { @@ -77,19 +79,33 @@ static int vt_open(struct seat *seat, int vt) { return 0; } +static void vt_close_fd(int fd) { + terminal_set_process_switching(fd, true); + terminal_set_keyboard(fd, true); + terminal_set_graphics(fd, false); +} + static void vt_close(struct seat *seat) { if (seat->cur_ttyfd == -1) { return; } - terminal_set_process_switching(seat->cur_ttyfd, true); - terminal_set_keyboard(seat->cur_ttyfd, true); - terminal_set_graphics(seat->cur_ttyfd, false); - + vt_close_fd(seat->cur_ttyfd); close(seat->cur_ttyfd); seat->cur_ttyfd = -1; } +static int vt_close_num(int vt) { + int ttyfd = terminal_open(vt); + if (ttyfd == -1) { + log_errorf("could not open terminal %s", strerror(errno)); + return -1; + } + vt_close_fd(ttyfd); + close(ttyfd); + return 0; +} + static int vt_switch(struct seat *seat, int vt) { int ttyfd = terminal_open(seat->cur_vt); if (ttyfd == -1) { @@ -168,9 +184,7 @@ int seat_remove_client(struct client *client) { seat_close_device(client, device); } - if (seat->active_client == client) { - seat_close_client(client); - } + seat_close_client(client); client->seat = NULL; log_debug("removed client"); @@ -458,18 +472,12 @@ error: return -1; } -int seat_close_client(struct client *client) { +static int seat_close_client(struct client *client) { assert(client); assert(client->seat); struct seat *seat = client->seat; - if (seat->active_client != client) { - log_error("client not active"); - errno = EBUSY; - return -1; - } - while (!linked_list_empty(&client->devices)) { struct seat_device *device = (struct seat_device *)client->devices.next; if (seat_close_device(client, device) == -1) { @@ -477,14 +485,29 @@ int seat_close_client(struct client *client) { } } + bool was_current = seat->active_client == client; + if (was_current) { + seat->active_client = NULL; + seat_activate(seat); + } + + if (seat->vt_bound) { + if (was_current && seat->active_client == NULL) { + // This client was current, but there were no clients + // waiting to take this VT, so clean it up. + log_debug("closing active VT"); + vt_close(seat); + } else if (!was_current && client->state != CLIENT_CLOSED) { + // This client was not current, but as the client was + // running, we need to clean up the VT. + log_debug("closing inactive VT"); + vt_close_num(client->session); + } + } + client->state = CLIENT_CLOSED; - seat->active_client = NULL; log_debug("closed client"); - seat_activate(seat); - if (seat->vt_bound && seat->active_client == NULL) { - vt_close(seat); - } return 0; } @@ -543,10 +566,10 @@ int seat_ack_disable_client(struct client *client) { seat->active_client = NULL; seat_activate(seat); - if (seat->vt_bound && seat->active_client == NULL) { - vt_close(seat); - } + // If we're VT-bound, we've either de-activated a client on a foreign + // VT, in which case we need to do nothing, or disabled the current VT, + // in which case seat_activate would just immediately re-enable it. return 0; } |