mirror of
https://github.com/tmate-io/tmate.git
synced 2024-12-22 23:00:51 +01:00
Sync OpenBSD patchset 806:
Store sessions in an RB tree by name rather than a list, this is tidier and allows them to easily be shown sorted in various lists (list-sessions/choose-sessions). Keep a session index which is used in a couple of places internally but make it an ever-increasing number rather than filling in gaps with new sessions.
This commit is contained in:
Tiago Cunha
parent
9f3399da00
commit
a373235106
@ -1,4 +1,4 @@
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/* $Id: cmd-attach-session.c,v 1.36 2010-02-08 18:27:34 tcunha Exp $ */
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/* $Id: cmd-attach-session.c,v 1.37 2010-12-22 15:36:44 tcunha Exp $ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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@ -47,7 +47,7 @@ cmd_attach_session_exec(struct cmd *self, struct cmd_ctx *ctx)
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char *overrides, *cause;
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u_int i;
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if (ARRAY_LENGTH(&sessions) == 0) {
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if (RB_EMPTY(&sessions)) {
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ctx->error(ctx, "no sessions");
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return (-1);
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}
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@ -1,4 +1,4 @@
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/* $Id: cmd-choose-session.c,v 1.16 2010-12-22 15:25:07 tcunha Exp $ */
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/* $Id: cmd-choose-session.c,v 1.17 2010-12-22 15:36:44 tcunha Exp $ */
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/*
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* Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
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@ -55,7 +55,7 @@ cmd_choose_session_exec(struct cmd *self, struct cmd_ctx *ctx)
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struct winlink *wl;
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struct session *s;
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struct session_group *sg;
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u_int i, idx, sgidx, cur;
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u_int idx, sgidx, cur;
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char tmp[64];
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if (ctx->curclient == NULL) {
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@ -70,10 +70,7 @@ cmd_choose_session_exec(struct cmd *self, struct cmd_ctx *ctx)
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return (0);
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cur = idx = 0;
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for (i = 0; i < ARRAY_LENGTH(&sessions); i++) {
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s = ARRAY_ITEM(&sessions, i);
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if (s == NULL)
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continue;
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RB_FOREACH(s, sessions, &sessions) {
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if (s == ctx->curclient->session)
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cur = idx;
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idx++;
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@ -86,7 +83,7 @@ cmd_choose_session_exec(struct cmd *self, struct cmd_ctx *ctx)
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xsnprintf(tmp, sizeof tmp, " (group %u)", sgidx);
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}
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window_choose_add(wl->window->active, i,
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window_choose_add(wl->window->active, s->idx,
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"%s: %u windows [%ux%u]%s%s", s->name,
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winlink_count(&s->windows), s->sx, s->sy,
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tmp, s->flags & SESSION_UNATTACHED ? "" : " (attached)");
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@ -120,9 +117,7 @@ cmd_choose_session_callback(void *data, int idx)
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if (cdata->client->flags & CLIENT_DEAD)
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return;
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if ((u_int) idx > ARRAY_LENGTH(&sessions) - 1)
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return;
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s = ARRAY_ITEM(&sessions, idx);
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s = session_find_by_index(idx);
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if (s == NULL)
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return;
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template = cmd_template_replace(cdata->template, s->name, 1);
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@ -1,4 +1,4 @@
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/* $Id: cmd-list-sessions.c,v 1.25 2009-11-28 14:50:36 tcunha Exp $ */
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/* $Id: cmd-list-sessions.c,v 1.26 2010-12-22 15:36:44 tcunha Exp $ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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@ -46,14 +46,10 @@ cmd_list_sessions_exec(unused struct cmd *self, struct cmd_ctx *ctx)
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struct session *s;
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struct session_group *sg;
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char *tim, tmp[64];
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u_int i, idx;
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u_int idx;
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time_t t;
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for (i = 0; i < ARRAY_LENGTH(&sessions); i++) {
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s = ARRAY_ITEM(&sessions, i);
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if (s == NULL)
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continue;
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RB_FOREACH(s, sessions, &sessions) {
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sg = session_group_find(s);
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if (sg == NULL)
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*tmp = '\0';
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@ -1,4 +1,4 @@
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/* $Id: cmd-rename-session.c,v 1.20 2010-08-11 22:19:03 tcunha Exp $ */
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/* $Id: cmd-rename-session.c,v 1.21 2010-12-22 15:36:44 tcunha Exp $ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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@ -53,8 +53,10 @@ cmd_rename_session_exec(struct cmd *self, struct cmd_ctx *ctx)
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if ((s = cmd_find_session(ctx, data->target)) == NULL)
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return (-1);
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RB_REMOVE(sessions, &sessions, s);
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xfree(s->name);
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s->name = xstrdup(data->arg);
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RB_INSERT(sessions, &sessions, s);
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server_status_session(s);
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@ -1,4 +1,4 @@
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/* $Id: cmd-server-info.c,v 1.37 2009-12-10 16:59:02 tcunha Exp $ */
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/* $Id: cmd-server-info.c,v 1.38 2010-12-22 15:36:44 tcunha Exp $ */
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/*
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* Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.net>
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@ -81,8 +81,6 @@ cmd_server_info_exec(unused struct cmd *self, struct cmd_ctx *ctx)
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else
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ctx->print(ctx, "configuration file not specified");
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ctx->print(ctx, "protocol version is %d", PROTOCOL_VERSION);
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ctx->print(ctx, "%u clients, %u sessions",
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ARRAY_LENGTH(&clients), ARRAY_LENGTH(&sessions));
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ctx->print(ctx, "%s", "");
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ctx->print(ctx, "Clients:");
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@ -101,19 +99,14 @@ cmd_server_info_exec(unused struct cmd *self, struct cmd_ctx *ctx)
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ctx->print(ctx, "Sessions: [%zu/%zu]",
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sizeof (struct grid_cell), sizeof (struct grid_utf8));
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for (i = 0; i < ARRAY_LENGTH(&sessions); i++) {
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s = ARRAY_ITEM(&sessions, i);
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if (s == NULL)
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continue;
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RB_FOREACH(s, sessions, &sessions) {
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t = s->creation_time.tv_sec;
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tim = ctime(&t);
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*strchr(tim, '\n') = '\0';
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ctx->print(ctx, "%2u: %s: %u windows (created %s) [%ux%u] "
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"[flags=0x%x, references=%u]", i, s->name,
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winlink_count(&s->windows), tim, s->sx, s->sy, s->flags,
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s->references);
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"[flags=0x%x]", s->idx, s->name,
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winlink_count(&s->windows), tim, s->sx, s->sy, s->flags);
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RB_FOREACH(wl, winlinks, &s->windows) {
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w = wl->window;
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ctx->print(ctx, "%4u: %s [%ux%u] [flags=0x%x, "
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59
cmd.c
59
cmd.c
@ -1,4 +1,4 @@
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/* $Id: cmd.c,v 1.145 2010-12-06 21:48:56 nicm Exp $ */
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/* $Id: cmd.c,v 1.146 2010-12-22 15:36:44 tcunha Exp $ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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@ -111,7 +111,8 @@ const struct cmd_entry *cmd_table[] = {
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NULL
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};
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struct session *cmd_choose_session(struct sessions *);
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struct session *cmd_choose_session_list(struct sessionslist *);
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struct session *cmd_choose_session(void);
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struct client *cmd_choose_client(struct clients *);
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struct client *cmd_lookup_client(const char *);
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struct session *cmd_lookup_session(const char *, int *);
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@ -315,10 +316,9 @@ cmd_current_session(struct cmd_ctx *ctx)
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struct msg_command_data *data = ctx->msgdata;
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struct client *c = ctx->cmdclient;
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struct session *s;
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struct sessions ss;
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struct sessionslist ss;
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struct winlink *wl;
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struct window_pane *wp;
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u_int i;
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int found;
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if (ctx->curclient != NULL && ctx->curclient->session != NULL)
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@ -331,9 +331,7 @@ cmd_current_session(struct cmd_ctx *ctx)
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*/
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if (c != NULL && c->tty.path != NULL) {
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ARRAY_INIT(&ss);
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for (i = 0; i < ARRAY_LENGTH(&sessions); i++) {
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if ((s = ARRAY_ITEM(&sessions, i)) == NULL)
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continue;
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RB_FOREACH(s, sessions, &sessions) {
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found = 0;
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RB_FOREACH(wl, winlinks, &s->windows) {
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TAILQ_FOREACH(wp, &wl->window->panes, entry) {
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@ -349,25 +347,43 @@ cmd_current_session(struct cmd_ctx *ctx)
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ARRAY_ADD(&ss, s);
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}
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s = cmd_choose_session(&ss);
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s = cmd_choose_session_list(&ss);
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ARRAY_FREE(&ss);
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if (s != NULL)
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return (s);
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}
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/* Use the session from the TMUX environment variable. */
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if (data != NULL &&
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data->pid == getpid() &&
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data->idx <= ARRAY_LENGTH(&sessions) &&
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(s = ARRAY_ITEM(&sessions, data->idx)) != NULL)
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return (s);
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if (data != NULL && data->pid == getpid()) {
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s = session_find_by_index(data->idx);
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if (s != NULL)
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return (s);
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}
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return (cmd_choose_session(&sessions));
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return (cmd_choose_session());
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}
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/* Find the most recently used session. */
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struct session *
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cmd_choose_session(void)
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{
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struct session *s, *sbest;
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struct timeval *tv = NULL;
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sbest = NULL;
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RB_FOREACH(s, sessions, &sessions) {
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if (tv == NULL || timercmp(&s->activity_time, tv, >)) {
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sbest = s;
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tv = &s->activity_time;
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}
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}
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return (sbest);
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}
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/* Find the most recently used session from a list. */
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struct session *
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cmd_choose_session(struct sessions *ss)
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cmd_choose_session_list(struct sessionslist *ss)
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{
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struct session *s, *sbest;
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struct timeval *tv = NULL;
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@ -515,7 +531,6 @@ struct session *
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cmd_lookup_session(const char *name, int *ambiguous)
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{
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struct session *s, *sfound;
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u_int i;
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*ambiguous = 0;
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@ -524,21 +539,15 @@ cmd_lookup_session(const char *name, int *ambiguous)
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* be unique so an exact match can't be ambigious and can just be
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* returned.
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*/
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for (i = 0; i < ARRAY_LENGTH(&sessions); i++) {
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if ((s = ARRAY_ITEM(&sessions, i)) == NULL)
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continue;
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if (strcmp(name, s->name) == 0)
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return (s);
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}
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if ((s = session_find(name)) != NULL)
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return (s);
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/*
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* Otherwise look for partial matches, returning early if it is found to
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* be ambiguous.
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*/
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sfound = NULL;
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for (i = 0; i < ARRAY_LENGTH(&sessions); i++) {
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if ((s = ARRAY_ITEM(&sessions, i)) == NULL)
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continue;
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RB_FOREACH(s, sessions, &sessions) {
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if (strncmp(name, s->name, strlen(name)) == 0 ||
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fnmatch(name, s->name, 0) == 0) {
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if (sfound != NULL) {
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13
resize.c
13
resize.c
@ -1,4 +1,4 @@
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/* $Id: resize.c,v 1.26 2010-12-06 21:57:56 nicm Exp $ */
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/* $Id: resize.c,v 1.27 2010-12-22 15:36:44 tcunha Exp $ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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@ -52,11 +52,7 @@ recalculate_sizes(void)
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u_int i, j, ssx, ssy, has, limit;
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int flag;
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for (i = 0; i < ARRAY_LENGTH(&sessions); i++) {
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s = ARRAY_ITEM(&sessions, i);
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if (s == NULL)
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continue;
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RB_FOREACH(s, sessions, &sessions) {
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ssx = ssy = UINT_MAX;
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for (j = 0; j < ARRAY_LENGTH(&clients); j++) {
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c = ARRAY_ITEM(&clients, j);
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@ -98,9 +94,8 @@ recalculate_sizes(void)
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flag = options_get_number(&w->options, "aggressive-resize");
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ssx = ssy = UINT_MAX;
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for (j = 0; j < ARRAY_LENGTH(&sessions); j++) {
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s = ARRAY_ITEM(&sessions, j);
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if (s == NULL || s->flags & SESSION_UNATTACHED)
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RB_FOREACH(s, sessions, &sessions) {
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if (s->flags & SESSION_UNATTACHED)
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continue;
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if (flag)
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has = s->curw->window == w;
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33
server-fn.c
33
server-fn.c
@ -1,4 +1,4 @@
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/* $Id: server-fn.c,v 1.115 2010-12-22 15:31:00 tcunha Exp $ */
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/* $Id: server-fn.c,v 1.116 2010-12-22 15:36:44 tcunha Exp $ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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@ -30,13 +30,10 @@ void server_callback_identify(int, short, void *);
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void
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server_fill_environ(struct session *s, struct environ *env)
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{
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char tmuxvar[MAXPATHLEN], *term;
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u_int idx;
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char tmuxvar[MAXPATHLEN], *term;
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if (session_index(s, &idx) != 0)
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fatalx("session not found");
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xsnprintf(tmuxvar, sizeof tmuxvar,
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"%s,%ld,%u", socket_path, (long) getpid(), idx);
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"%s,%ld,%u", socket_path, (long) getpid(), s->idx);
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environ_set(env, "TMUX", tmuxvar);
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term = options_get_string(&s->options, "default-terminal");
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@ -175,7 +172,6 @@ void
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server_status_window(struct window *w)
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{
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struct session *s;
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u_int i;
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/*
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* This is slightly different. We want to redraw the status line of any
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@ -183,9 +179,8 @@ server_status_window(struct window *w)
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* current window.
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*/
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for (i = 0; i < ARRAY_LENGTH(&sessions); i++) {
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s = ARRAY_ITEM(&sessions, i);
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if (s != NULL && session_has(s, w) != NULL)
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RB_FOREACH(s, sessions, &sessions) {
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if (session_has(s, w) != NULL)
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server_status_session(s);
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}
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}
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@ -246,11 +241,9 @@ server_kill_window(struct window *w)
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{
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struct session *s;
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struct winlink *wl;
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u_int i;
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for (i = 0; i < ARRAY_LENGTH(&sessions); i++) {
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s = ARRAY_ITEM(&sessions, i);
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if (s == NULL || session_has(s, w) == NULL)
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RB_FOREACH(s, sessions, &sessions) {
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if (session_has(s, w) == NULL)
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continue;
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while ((wl = winlink_find_by_window(&s->windows, w)) != NULL) {
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if (session_detach(s, wl)) {
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@ -365,12 +358,10 @@ struct session *
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server_next_session(struct session *s)
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{
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struct session *s_loop, *s_out;
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u_int i;
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s_out = NULL;
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for (i = 0; i < ARRAY_LENGTH(&sessions); i++) {
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s_loop = ARRAY_ITEM(&sessions, i);
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if (s_loop == NULL || s_loop == s)
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RB_FOREACH(s_loop, sessions, &sessions) {
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if (s_loop == s)
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continue;
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if (s_out == NULL ||
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timercmp(&s_loop->activity_time, &s_out->activity_time, <))
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@ -411,15 +402,13 @@ void
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server_check_unattached (void)
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{
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struct session *s;
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u_int i;
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/*
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* If any sessions are no longer attached and have destroy-unattached
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* set, collect them.
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*/
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for (i = 0; i < ARRAY_LENGTH(&sessions); i++) {
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s = ARRAY_ITEM(&sessions, i);
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if (s == NULL || !(s->flags & SESSION_UNATTACHED))
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RB_FOREACH(s, sessions, &sessions) {
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if (!(s->flags & SESSION_UNATTACHED))
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continue;
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if (options_get_number (&s->options, "destroy-unattached"))
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session_destroy(s);
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@ -1,4 +1,4 @@
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/* $Id: server-window.c,v 1.18 2010-12-06 22:52:21 nicm Exp $ */
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/* $Id: server-window.c,v 1.19 2010-12-22 15:36:44 tcunha Exp $ */
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/*
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* Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
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@ -38,17 +38,14 @@ server_window_loop(void)
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struct winlink *wl;
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struct window_pane *wp;
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struct session *s;
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u_int i, j;
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u_int i;
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for (i = 0; i < ARRAY_LENGTH(&windows); i++) {
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w = ARRAY_ITEM(&windows, i);
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if (w == NULL)
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continue;
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for (j = 0; j < ARRAY_LENGTH(&sessions); j++) {
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s = ARRAY_ITEM(&sessions, j);
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if (s == NULL)
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continue;
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RB_FOREACH(s, sessions, &sessions) {
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wl = session_has(s, w);
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if (wl == NULL)
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continue;
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61
server.c
61
server.c
@ -1,4 +1,4 @@
|
||||
/* $Id: server.c,v 1.248 2010-10-24 19:54:41 nicm Exp $ */
|
||||
/* $Id: server.c,v 1.249 2010-12-22 15:36:44 tcunha Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
|
||||
@ -146,8 +146,8 @@ server_start(void)
|
||||
ARRAY_INIT(&windows);
|
||||
ARRAY_INIT(&clients);
|
||||
ARRAY_INIT(&dead_clients);
|
||||
ARRAY_INIT(&sessions);
|
||||
ARRAY_INIT(&dead_sessions);
|
||||
RB_INIT(&sessions);
|
||||
RB_INIT(&dead_sessions);
|
||||
TAILQ_INIT(&session_groups);
|
||||
mode_key_init_trees();
|
||||
key_bindings_init();
|
||||
@ -175,8 +175,8 @@ server_start(void)
|
||||
* If there is a session already, put the current window and pane into
|
||||
* more mode.
|
||||
*/
|
||||
if (!ARRAY_EMPTY(&sessions) && !ARRAY_EMPTY(&cfg_causes)) {
|
||||
wp = ARRAY_FIRST(&sessions)->curw->window->active;
|
||||
if (!RB_EMPTY(&sessions) && !ARRAY_EMPTY(&cfg_causes)) {
|
||||
wp = RB_MIN(sessions, &sessions)->curw->window->active;
|
||||
window_pane_set_mode(wp, &window_copy_mode);
|
||||
window_copy_init_for_output(wp);
|
||||
for (i = 0; i < ARRAY_LENGTH(&cfg_causes); i++) {
|
||||
@ -224,10 +224,8 @@ server_should_shutdown(void)
|
||||
u_int i;
|
||||
|
||||
if (!options_get_number(&global_options, "exit-unattached")) {
|
||||
for (i = 0; i < ARRAY_LENGTH(&sessions); i++) {
|
||||
if (ARRAY_ITEM(&sessions, i) != NULL)
|
||||
return (0);
|
||||
}
|
||||
if (!RB_EMPTY(&sessions))
|
||||
return (0);
|
||||
}
|
||||
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
|
||||
if (ARRAY_ITEM(&clients, i) != NULL)
|
||||
@ -241,7 +239,7 @@ void
|
||||
server_send_shutdown(void)
|
||||
{
|
||||
struct client *c;
|
||||
struct session *s;
|
||||
struct session *s, *next_s;
|
||||
u_int i;
|
||||
|
||||
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
|
||||
@ -255,9 +253,11 @@ server_send_shutdown(void)
|
||||
}
|
||||
}
|
||||
|
||||
for (i = 0; i < ARRAY_LENGTH(&sessions); i++) {
|
||||
if ((s = ARRAY_ITEM(&sessions, i)) != NULL)
|
||||
session_destroy(s);
|
||||
s = RB_MIN(sessions, &sessions);
|
||||
while (s != NULL) {
|
||||
next_s = RB_NEXT(sessions, &sessions, s);
|
||||
session_destroy(s);
|
||||
s = next_s;
|
||||
}
|
||||
}
|
||||
|
||||
@ -265,16 +265,19 @@ server_send_shutdown(void)
|
||||
void
|
||||
server_clean_dead(void)
|
||||
{
|
||||
struct session *s;
|
||||
struct session *s, *next_s;
|
||||
struct client *c;
|
||||
u_int i;
|
||||
|
||||
for (i = 0; i < ARRAY_LENGTH(&dead_sessions); i++) {
|
||||
s = ARRAY_ITEM(&dead_sessions, i);
|
||||
if (s == NULL || s->references != 0)
|
||||
continue;
|
||||
ARRAY_SET(&dead_sessions, i, NULL);
|
||||
xfree(s);
|
||||
s = RB_MIN(sessions, &dead_sessions);
|
||||
while (s != NULL) {
|
||||
next_s = RB_NEXT(sessions, &dead_sessions, s);
|
||||
if (s->references == 0) {
|
||||
RB_REMOVE(sessions, &dead_sessions, s);
|
||||
xfree(s->name);
|
||||
xfree(s);
|
||||
}
|
||||
s = next_s;
|
||||
}
|
||||
|
||||
for (i = 0; i < ARRAY_LENGTH(&dead_clients); i++) {
|
||||
@ -291,15 +294,13 @@ void
|
||||
server_update_socket(void)
|
||||
{
|
||||
struct session *s;
|
||||
u_int i;
|
||||
static int last = -1;
|
||||
int n, mode;
|
||||
struct stat sb;
|
||||
|
||||
n = 0;
|
||||
for (i = 0; i < ARRAY_LENGTH(&sessions); i++) {
|
||||
s = ARRAY_ITEM(&sessions, i);
|
||||
if (s != NULL && !(s->flags & SESSION_UNATTACHED)) {
|
||||
RB_FOREACH(s, sessions, &sessions) {
|
||||
if (!(s->flags & SESSION_UNATTACHED)) {
|
||||
n++;
|
||||
break;
|
||||
}
|
||||
@ -486,15 +487,11 @@ void
|
||||
server_lock_server(void)
|
||||
{
|
||||
struct session *s;
|
||||
u_int i;
|
||||
int timeout;
|
||||
time_t t;
|
||||
|
||||
t = time(NULL);
|
||||
for (i = 0; i < ARRAY_LENGTH(&sessions); i++) {
|
||||
if ((s = ARRAY_ITEM(&sessions, i)) == NULL)
|
||||
continue;
|
||||
|
||||
RB_FOREACH(s, sessions, &sessions) {
|
||||
if (s->flags & SESSION_UNATTACHED) {
|
||||
if (gettimeofday(&s->activity_time, NULL) != 0)
|
||||
fatal("gettimeofday failed");
|
||||
@ -515,15 +512,11 @@ void
|
||||
server_lock_sessions(void)
|
||||
{
|
||||
struct session *s;
|
||||
u_int i;
|
||||
int timeout;
|
||||
time_t t;
|
||||
|
||||
t = time(NULL);
|
||||
for (i = 0; i < ARRAY_LENGTH(&sessions); i++) {
|
||||
if ((s = ARRAY_ITEM(&sessions, i)) == NULL)
|
||||
continue;
|
||||
|
||||
RB_FOREACH(s, sessions, &sessions) {
|
||||
if (s->flags & SESSION_UNATTACHED) {
|
||||
if (gettimeofday(&s->activity_time, NULL) != 0)
|
||||
fatal("gettimeofday failed");
|
||||
|
||||
115
session.c
115
session.c
@ -1,4 +1,4 @@
|
||||
/* $Id: session.c,v 1.82 2010-12-22 15:33:14 tcunha Exp $ */
|
||||
/* $Id: session.c,v 1.83 2010-12-22 15:36:44 tcunha Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
|
||||
@ -29,11 +29,20 @@
|
||||
/* Global session list. */
|
||||
struct sessions sessions;
|
||||
struct sessions dead_sessions;
|
||||
u_int next_session;
|
||||
struct session_groups session_groups;
|
||||
|
||||
struct winlink *session_next_alert(struct winlink *);
|
||||
struct winlink *session_previous_alert(struct winlink *);
|
||||
|
||||
RB_GENERATE(sessions, session, entry, session_cmp);
|
||||
|
||||
int
|
||||
session_cmp(struct session *s1, struct session *s2)
|
||||
{
|
||||
return (strcmp(s1->name, s2->name));
|
||||
}
|
||||
|
||||
/*
|
||||
* Find if session is still alive. This is true if it is still on the global
|
||||
* sessions list.
|
||||
@ -41,24 +50,35 @@ struct winlink *session_previous_alert(struct winlink *);
|
||||
int
|
||||
session_alive(struct session *s)
|
||||
{
|
||||
u_int idx;
|
||||
struct session *s_loop;
|
||||
|
||||
return (session_index(s, &idx) == 0);
|
||||
RB_FOREACH(s_loop, sessions, &sessions) {
|
||||
if (s_loop == s)
|
||||
return (1);
|
||||
}
|
||||
return (0);
|
||||
}
|
||||
|
||||
/* Find session by name. */
|
||||
struct session *
|
||||
session_find(const char *name)
|
||||
{
|
||||
struct session *s;
|
||||
u_int i;
|
||||
struct session s;
|
||||
|
||||
for (i = 0; i < ARRAY_LENGTH(&sessions); i++) {
|
||||
s = ARRAY_ITEM(&sessions, i);
|
||||
if (s != NULL && strcmp(s->name, name) == 0)
|
||||
s.name = (char *) name;
|
||||
return (RB_FIND(sessions, &sessions, &s));
|
||||
}
|
||||
|
||||
/* Find session by index. */
|
||||
struct session *
|
||||
session_find_by_index(u_int idx)
|
||||
{
|
||||
struct session *s;
|
||||
|
||||
RB_FOREACH(s, sessions, &sessions) {
|
||||
if (s->idx == idx)
|
||||
return (s);
|
||||
}
|
||||
|
||||
return (NULL);
|
||||
}
|
||||
|
||||
@ -69,7 +89,6 @@ session_create(const char *name, const char *cmd, const char *cwd,
|
||||
char **cause)
|
||||
{
|
||||
struct session *s;
|
||||
u_int i;
|
||||
|
||||
s = xmalloc(sizeof *s);
|
||||
s->references = 0;
|
||||
@ -101,19 +120,12 @@ session_create(const char *name, const char *cmd, const char *cwd,
|
||||
s->sx = sx;
|
||||
s->sy = sy;
|
||||
|
||||
for (i = 0; i < ARRAY_LENGTH(&sessions); i++) {
|
||||
if (ARRAY_ITEM(&sessions, i) == NULL) {
|
||||
ARRAY_SET(&sessions, i, s);
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (i == ARRAY_LENGTH(&sessions))
|
||||
ARRAY_ADD(&sessions, s);
|
||||
|
||||
s->idx = next_session++;
|
||||
if (name != NULL)
|
||||
s->name = xstrdup(name);
|
||||
else
|
||||
xasprintf(&s->name, "%u", i);
|
||||
xasprintf(&s->name, "%u", s->idx);
|
||||
RB_INSERT(sessions, &sessions, s);
|
||||
|
||||
if (cmd != NULL) {
|
||||
if (session_new(s, NULL, cmd, cwd, idx, cause) == NULL) {
|
||||
@ -132,15 +144,9 @@ session_create(const char *name, const char *cmd, const char *cwd,
|
||||
void
|
||||
session_destroy(struct session *s)
|
||||
{
|
||||
u_int i;
|
||||
|
||||
log_debug("session %s destroyed", s->name);
|
||||
|
||||
if (session_index(s, &i) != 0)
|
||||
fatalx("session not found");
|
||||
ARRAY_SET(&sessions, i, NULL);
|
||||
while (!ARRAY_EMPTY(&sessions) && ARRAY_LAST(&sessions) == NULL)
|
||||
ARRAY_TRUNC(&sessions, 1);
|
||||
RB_REMOVE(sessions, &sessions, s);
|
||||
|
||||
if (s->tio != NULL)
|
||||
xfree(s->tio);
|
||||
@ -156,27 +162,8 @@ session_destroy(struct session *s)
|
||||
winlink_remove(&s->windows, RB_ROOT(&s->windows));
|
||||
|
||||
xfree(s->cwd);
|
||||
xfree(s->name);
|
||||
|
||||
for (i = 0; i < ARRAY_LENGTH(&dead_sessions); i++) {
|
||||
if (ARRAY_ITEM(&dead_sessions, i) == NULL) {
|
||||
ARRAY_SET(&dead_sessions, i, s);
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (i == ARRAY_LENGTH(&dead_sessions))
|
||||
ARRAY_ADD(&dead_sessions, s);
|
||||
}
|
||||
|
||||
/* Find session index. */
|
||||
int
|
||||
session_index(struct session *s, u_int *i)
|
||||
{
|
||||
for (*i = 0; *i < ARRAY_LENGTH(&sessions); (*i)++) {
|
||||
if (s == ARRAY_ITEM(&sessions, *i))
|
||||
return (0);
|
||||
}
|
||||
return (-1);
|
||||
RB_INSERT(sessions, &dead_sessions, s);
|
||||
}
|
||||
|
||||
/* Find the next usable session. */
|
||||
@ -184,19 +171,18 @@ struct session *
|
||||
session_next_session(struct session *s)
|
||||
{
|
||||
struct session *s2;
|
||||
u_int i;
|
||||
|
||||
if (ARRAY_LENGTH(&sessions) == 0 || session_index(s, &i) != 0)
|
||||
if (RB_EMPTY(&sessions) || !session_alive(s))
|
||||
return (NULL);
|
||||
|
||||
s2 = s;
|
||||
do {
|
||||
if (i == ARRAY_LENGTH(&sessions) - 1)
|
||||
i = 0;
|
||||
else
|
||||
i++;
|
||||
s2 = ARRAY_ITEM(&sessions, i);
|
||||
} while (s2 == NULL);
|
||||
|
||||
s2 = RB_NEXT(sessions, &sessions, s2);
|
||||
if (s2 == NULL)
|
||||
s2 = RB_MIN(sessions, &sessions);
|
||||
} while (s2 != s);
|
||||
if (s2 == s)
|
||||
return (NULL);
|
||||
return (s2);
|
||||
}
|
||||
|
||||
@ -205,19 +191,18 @@ struct session *
|
||||
session_previous_session(struct session *s)
|
||||
{
|
||||
struct session *s2;
|
||||
u_int i;
|
||||
|
||||
if (ARRAY_LENGTH(&sessions) == 0 || session_index(s, &i) != 0)
|
||||
if (RB_EMPTY(&sessions) || !session_alive(s))
|
||||
return (NULL);
|
||||
|
||||
s2 = s;
|
||||
do {
|
||||
if (i == 0)
|
||||
i = ARRAY_LENGTH(&sessions) - 1;
|
||||
else
|
||||
i--;
|
||||
s2 = ARRAY_ITEM(&sessions, i);
|
||||
} while (s2 == NULL);
|
||||
|
||||
s2 = RB_PREV(sessions, &sessions, s2);
|
||||
if (s2 == NULL)
|
||||
s2 = RB_MAX(sessions, &sessions);
|
||||
} while (s2 != s);
|
||||
if (s2 == s)
|
||||
return (NULL);
|
||||
return (s2);
|
||||
}
|
||||
|
||||
|
||||
12
tmux.h
12
tmux.h
@ -1,4 +1,4 @@
|
||||
/* $Id: tmux.h,v 1.590 2010-12-22 15:31:56 tcunha Exp $ */
|
||||
/* $Id: tmux.h,v 1.591 2010-12-22 15:36:44 tcunha Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
|
||||
@ -928,6 +928,8 @@ struct session_group {
|
||||
TAILQ_HEAD(session_groups, session_group);
|
||||
|
||||
struct session {
|
||||
u_int idx;
|
||||
|
||||
char *name;
|
||||
char *cwd;
|
||||
|
||||
@ -955,8 +957,10 @@ struct session {
|
||||
int references;
|
||||
|
||||
TAILQ_ENTRY(session) gentry;
|
||||
RB_ENTRY(session) entry;
|
||||
};
|
||||
ARRAY_DECL(sessions, struct session *);
|
||||
RB_HEAD(sessions, session);
|
||||
ARRAY_DECL(sessionslist, struct session *);
|
||||
|
||||
/* TTY information. */
|
||||
struct tty_key {
|
||||
@ -1965,13 +1969,15 @@ void clear_signals(int);
|
||||
extern struct sessions sessions;
|
||||
extern struct sessions dead_sessions;
|
||||
extern struct session_groups session_groups;
|
||||
int session_cmp(struct session *, struct session *);
|
||||
RB_PROTOTYPE(sessions, session, entry, session_cmp);
|
||||
int session_alive(struct session *);
|
||||
struct session *session_find(const char *);
|
||||
struct session *session_find_by_index(u_int);
|
||||
struct session *session_create(const char *, const char *, const char *,
|
||||
struct environ *, struct termios *, int, u_int, u_int,
|
||||
char **);
|
||||
void session_destroy(struct session *);
|
||||
int session_index(struct session *, u_int *);
|
||||
struct session *session_next_session(struct session *);
|
||||
struct session *session_previous_session(struct session *);
|
||||
struct winlink *session_new(struct session *,
|
||||
|
||||
Loading…
Reference in New Issue
Block a user