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In order that people can use formats like #D in #() in the status line

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and not have to wait for an update when they change pane, we allow
commands to run more than once a second if the expanded form
changes. Unfortunately this can mean them being run far too often
(pretty much continually) when multiple clients exist, because some
formats (including #D) will always differ between clients.

To avoid this, give each client its own tree of jobs which means that
the same command will be different instances for each client - similar
to how we have the tag to separate commands for different panes.

GitHub issue 889; test case reported by Paul Johnson.
This commit is contained in:
nicm 2017-05-01 12:20:55 +00:00
parent a2dd7daf4e
commit 0ccfb61bb0
17 changed files with 82 additions and 32 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
cfg.c
View File

@ -148,7 +148,8 @@ load_cfg(const char *path, struct client *c, struct cmdq_item *item, int quiet)
line);
continue;
}
ft = format_create(NULL, FORMAT_NONE, FORMAT_NOJOBS);
ft = format_create(NULL, NULL, FORMAT_NONE,
FORMAT_NOJOBS);
s = p + 3;
while (isspace((u_char)*s))

2
cmd-display-message.c
View File

@ -73,7 +73,7 @@ cmd_display_message_exec(struct cmd *self, struct cmdq_item *item)
if (template == NULL)
template = DISPLAY_MESSAGE_TEMPLATE;
ft = format_create(item, FORMAT_NONE, 0);
ft = format_create(item->client, item, FORMAT_NONE, 0);
format_defaults(ft, c, s, wl, wp);
msg = format_expand_time(ft, template, time(NULL));

2
cmd-list-buffers.c
View File

@ -57,7 +57,7 @@ cmd_list_buffers_exec(struct cmd *self, struct cmdq_item *item)
pb = NULL;
while ((pb = paste_walk(pb)) != NULL) {
ft = format_create(item, FORMAT_NONE, 0);
ft = format_create(item->client, item, FORMAT_NONE, 0);
format_defaults_paste_buffer(ft, pb);
line = format_expand(ft, template);

2
cmd-list-clients.c
View File

@ -72,7 +72,7 @@ cmd_list_clients_exec(struct cmd *self, struct cmdq_item *item)
if (c->session == NULL || (s != NULL && s != c->session))
continue;
ft = format_create(item, FORMAT_NONE, 0);
ft = format_create(item->client, item, FORMAT_NONE, 0);
format_add(ft, "line", "%u", idx);
format_defaults(ft, c, NULL, NULL, NULL);

2
cmd-list-keys.c
View File

@ -144,7 +144,7 @@ cmd_list_keys_commands(struct cmd *self, struct cmdq_item *item)
"#{command_list_usage}";
}
ft = format_create(item, FORMAT_NONE, 0);
ft = format_create(item->client, item, FORMAT_NONE, 0);
format_defaults(ft, NULL, NULL, NULL, NULL);
for (entryp = cmd_table; *entryp != NULL; entryp++) {

2
cmd-list-panes.c
View File

@ -123,7 +123,7 @@ cmd_list_panes_window(struct cmd *self, struct session *s, struct winlink *wl,
n = 0;
TAILQ_FOREACH(wp, &wl->window->panes, entry) {
ft = format_create(item, FORMAT_NONE, 0);
ft = format_create(item->client, item, FORMAT_NONE, 0);
format_add(ft, "line", "%u", n);
format_defaults(ft, NULL, s, wl, wp);

2
cmd-list-sessions.c
View File

@ -65,7 +65,7 @@ cmd_list_sessions_exec(struct cmd *self, struct cmdq_item *item)
n = 0;
RB_FOREACH(s, sessions, &sessions) {
ft = format_create(item, FORMAT_NONE, 0);
ft = format_create(item->client, item, FORMAT_NONE, 0);
format_add(ft, "line", "%u", n);
format_defaults(ft, NULL, s, NULL, NULL);

4
cmd-list-windows.c
View File

@ -86,7 +86,7 @@ cmd_list_windows_session(struct cmd *self, struct session *s,
{
struct args *args = self->args;
struct winlink *wl;
u_int n;
u_int n;
struct format_tree *ft;
const char *template;
char *line;
@ -105,7 +105,7 @@ cmd_list_windows_session(struct cmd *self, struct session *s,
n = 0;
RB_FOREACH(wl, winlinks, &s->windows) {
ft = format_create(item, FORMAT_NONE, 0);
ft = format_create(item->client, item, FORMAT_NONE, 0);
format_add(ft, "line", "%u", n);
format_defaults(ft, NULL, s, wl, NULL);

2
cmd-pipe-pane.c
View File

@ -90,7 +90,7 @@ cmd_pipe_pane_exec(struct cmd *self, struct cmdq_item *item)
}
/* Expand the command. */
ft = format_create(item, FORMAT_NONE, 0);
ft = format_create(item->client, item, FORMAT_NONE, 0);
format_defaults(ft, c, s, wl, wp);
cmd = format_expand_time(ft, args->argv[0], time(NULL));
format_free(ft);

2
cmd-queue.c
View File

@ -299,7 +299,7 @@ cmdq_format(struct cmdq_item *item, const char *key, const char *fmt, ...)
va_end(ap);
if (shared->formats == NULL)
shared->formats = format_create(NULL, FORMAT_NONE, 0);
shared->formats = format_create(NULL, NULL, FORMAT_NONE, 0);
format_add(shared->formats, key, "%s", value);
free(value);

68
format.c
View File

@ -76,6 +76,7 @@ static void format_defaults_winlink(struct format_tree *,
/* Entry in format job tree. */
struct format_job {
struct client *client;
u_int tag;
const char *cmd;
const char *expanded;
@ -128,6 +129,7 @@ struct format_tree {
struct session *s;
struct window_pane *wp;
struct client *client;
u_int tag;
int flags;
@ -236,7 +238,6 @@ format_job_complete(struct job *job)
struct format_job *fj = job->data;
char *line, *buf;
size_t len;
struct client *c;
fj->job = NULL;
@ -258,8 +259,8 @@ format_job_complete(struct job *job)
free(buf);
if (fj->status) {
TAILQ_FOREACH(c, &clients, entry)
server_status_client(c);
if (fj->client != NULL)
server_status_client(fj->client);
fj->status = 0;
}
}
@ -268,22 +269,33 @@ format_job_complete(struct job *job)
static char *
format_job_get(struct format_tree *ft, const char *cmd)
{
struct format_job_tree *jobs;
struct format_job fj0, *fj;
time_t t;
char *expanded;
int force;
if (ft->client == NULL)
jobs = &format_jobs;
else if (ft->client->jobs != NULL)
jobs = ft->client->jobs;
else {
jobs = ft->client->jobs = xmalloc(sizeof *ft->client->jobs);
RB_INIT(jobs);
}
fj0.tag = ft->tag;
fj0.cmd = cmd;
if ((fj = RB_FIND(format_job_tree, &format_jobs, &fj0)) == NULL) {
if ((fj = RB_FIND(format_job_tree, jobs, &fj0)) == NULL) {
fj = xcalloc(1, sizeof *fj);
fj->client = ft->client;
fj->tag = ft->tag;
fj->cmd = xstrdup(cmd);
fj->expanded = NULL;
xasprintf(&fj->out, "<'%s' not ready>", fj->cmd);
RB_INSERT(format_job_tree, &format_jobs, fj);
RB_INSERT(format_job_tree, jobs, fj);
}
expanded = format_expand(ft, cmd);
@ -314,17 +326,16 @@ format_job_get(struct format_tree *ft, const char *cmd)
/* Remove old jobs. */
static void
format_job_timer(__unused int fd, __unused short events, __unused void *arg)
format_job_tidy(struct format_job_tree *jobs, int force)
{
struct format_job *fj, *fj1;
time_t now;
struct timeval tv = { .tv_sec = 60 };
now = time(NULL);
RB_FOREACH_SAFE(fj, format_job_tree, &format_jobs, fj1) {
if (fj->last > now || now - fj->last < 3600)
RB_FOREACH_SAFE(fj, format_job_tree, jobs, fj1) {
if (!force && (fj->last > now || now - fj->last < 3600))
continue;
RB_REMOVE(format_job_tree, &format_jobs, fj);
RB_REMOVE(format_job_tree, jobs, fj);
log_debug("%s: %s", __func__, fj->cmd);
@ -337,6 +348,29 @@ format_job_timer(__unused int fd, __unused short events, __unused void *arg)
free(fj);
}
}
/* Remove old jobs for client. */
void
format_lost_client(struct client *c)
{
if (c->jobs != NULL)
format_job_tidy(c->jobs, 1);
free(c->jobs);
}
/* Remove old jobs periodically. */
static void
format_job_timer(__unused int fd, __unused short events, __unused void *arg)
{
struct client *c;
struct timeval tv = { .tv_sec = 60 };
format_job_tidy(&format_jobs, 0);
TAILQ_FOREACH(c, &clients, entry) {
if (c->jobs != NULL)
format_job_tidy(c->jobs, 0);
}
evtimer_del(&format_job_event);
evtimer_add(&format_job_event, &tv);
@ -533,7 +567,7 @@ format_merge(struct format_tree *ft, struct format_tree *from)
/* Create a new tree. */
struct format_tree *
format_create(struct cmdq_item *item, int tag, int flags)
format_create(struct client *c, struct cmdq_item *item, int tag, int flags)
{
struct format_tree *ft;
@ -545,6 +579,11 @@ format_create(struct cmdq_item *item, int tag, int flags)
ft = xcalloc(1, sizeof *ft);
RB_INIT(&ft->tree);
if (c != NULL) {
ft->client = c;
ft->client->references++;
}
ft->tag = tag;
ft->flags = flags;
@ -577,6 +616,8 @@ format_free(struct format_tree *ft)
free(fe);
}
if (ft->client != NULL)
server_client_unref(ft->client);
free(ft);
}
@ -1099,7 +1140,10 @@ format_single(struct cmdq_item *item, const char *fmt, struct client *c,
struct format_tree *ft;
char *expanded;
ft = format_create(item, FORMAT_NONE, 0);
if (item != NULL)
ft = format_create(item->client, item, FORMAT_NONE, 0);
else
ft = format_create(NULL, item, FORMAT_NONE, 0);
format_defaults(ft, c, s, wl, wp);
expanded = format_expand(ft, fmt);

2
names.c
View File

@ -124,7 +124,7 @@ format_window_name(struct window *w)
const char *fmt;
char *name;
ft = format_create(NULL, FORMAT_WINDOW|w->id, 0);
ft = format_create(NULL, NULL, FORMAT_WINDOW|w->id, 0);
format_defaults_window(ft, w);
format_defaults_pane(ft, w->active);

2
screen-redraw.c
View File

@ -280,7 +280,7 @@ screen_redraw_make_pane_status(struct client *c, struct window *w,
fmt = options_get_string(w->options, "pane-border-format");
ft = format_create(NULL, FORMAT_PANE|wp->id, 0);
ft = format_create(c, NULL, FORMAT_PANE|wp->id, 0);
format_defaults(ft, c, NULL, NULL, wp);
memcpy(&old, &wp->status_screen, sizeof old);

3
server-client.c
View File

@ -283,6 +283,7 @@ server_client_lost(struct client *c)
free(c->prompt_string);
free(c->prompt_buffer);
format_lost_client(c);
environ_free(c->environ);
proc_remove_peer(c->peer);
@ -1326,7 +1327,7 @@ server_client_set_title(struct client *c)
template = options_get_string(s->options, "set-titles-string");
ft = format_create(NULL, FORMAT_NONE, 0);
ft = format_create(c, NULL, FORMAT_NONE, 0);
format_defaults(ft, c, NULL, NULL, NULL);
title = format_expand_time(ft, template, time(NULL));

8
status.c
View File

@ -519,9 +519,9 @@ status_replace(struct client *c, struct winlink *wl, const char *fmt, time_t t)
else
tag = FORMAT_NONE;
if (c->flags & CLIENT_STATUSFORCE)
ft = format_create(NULL, tag, FORMAT_STATUS|FORMAT_FORCE);
ft = format_create(c, NULL, tag, FORMAT_STATUS|FORMAT_FORCE);
else
ft = format_create(NULL, tag, FORMAT_STATUS);
ft = format_create(c, NULL, tag, FORMAT_STATUS);
format_defaults(ft, c, NULL, wl, NULL);
expanded = format_expand_time(ft, fmt, t);
@ -663,7 +663,7 @@ status_prompt_set(struct client *c, const char *msg, const char *input,
time_t t;
char *tmp;
ft = format_create(NULL, FORMAT_NONE, 0);
ft = format_create(c, NULL, FORMAT_NONE, 0);
format_defaults(ft, c, NULL, NULL, NULL);
t = time(NULL);
@ -724,7 +724,7 @@ status_prompt_update(struct client *c, const char *msg, const char *input)
time_t t;
char *tmp;
ft = format_create(NULL, FORMAT_NONE, 0);
ft = format_create(c, NULL, FORMAT_NONE, 0);
format_defaults(ft, c, NULL, NULL, NULL);
t = time(NULL);

6
tmux.h
View File

@ -43,6 +43,7 @@ struct client;
struct cmdq_item;
struct cmdq_list;
struct environ;
struct format_job_tree;
struct input_ctx;
struct mode_key_cmdstr;
struct mouse_event;
@ -1290,6 +1291,7 @@ struct client {
struct timeval activity_time;
struct environ *environ;
struct format_job_tree *jobs;
char *title;
const char *cwd;
@ -1501,7 +1503,8 @@ char *paste_make_sample(struct paste_buffer *);
#define FORMAT_PANE 0x80000000U
#define FORMAT_WINDOW 0x40000000U
struct format_tree;
struct format_tree *format_create(struct cmdq_item *, int, int);
struct format_tree *format_create(struct client *, struct cmdq_item *, int,
int);
void format_free(struct format_tree *);
void printflike(3, 4) format_add(struct format_tree *, const char *,
const char *, ...);
@ -1517,6 +1520,7 @@ void format_defaults_pane(struct format_tree *,
struct window_pane *);
void format_defaults_paste_buffer(struct format_tree *,
struct paste_buffer *);
void format_lost_client(struct client *);
/* hooks.c */
struct hook;

2
window-choose.c
View File

@ -202,7 +202,7 @@ window_choose_data_create(int type, struct client *c, struct session *s)
wcd = xmalloc(sizeof *wcd);
wcd->type = type;
wcd->ft = format_create(NULL, FORMAT_NONE, 0);
wcd->ft = format_create(c, NULL, FORMAT_NONE, 0);
wcd->ft_template = NULL;
wcd->command = NULL;