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Block the initial client if there is one until the configuration file

has finished loading.
This commit is contained in:
nicm 2017-04-25 14:46:23 +00:00
parent eb6fd6ff80
commit 4a51a9d9d5

38
cfg.c
View File

@ -28,10 +28,19 @@
#include "tmux.h" #include "tmux.h"
static char *cfg_file; static char *cfg_file;
int cfg_finished; int cfg_finished;
static char **cfg_causes; static char **cfg_causes;
static u_int cfg_ncauses; static u_int cfg_ncauses;
static struct cmdq_item *cfg_item;
static enum cmd_retval
cfg_client_done(__unused struct cmdq_item *item, __unused void *data)
{
if (!cfg_finished)
return (CMD_RETURN_WAIT);
return (CMD_RETURN_NORMAL);
}
static enum cmd_retval static enum cmd_retval
cfg_done(__unused struct cmdq_item *item, __unused void *data) cfg_done(__unused struct cmdq_item *item, __unused void *data)
@ -43,6 +52,9 @@ cfg_done(__unused struct cmdq_item *item, __unused void *data)
if (!RB_EMPTY(&sessions)) if (!RB_EMPTY(&sessions))
cfg_show_causes(RB_MIN(sessions, &sessions)); cfg_show_causes(RB_MIN(sessions, &sessions));
if (cfg_item != NULL)
cfg_item->flags &= ~CMDQ_WAITING;
status_prompt_load_history(); status_prompt_load_history();
return (CMD_RETURN_NORMAL); return (CMD_RETURN_NORMAL);
@ -60,12 +72,24 @@ start_cfg(void)
{ {
const char *home; const char *home;
int quiet = 0; int quiet = 0;
struct client *c;
/* /*
* Note that the configuration files are loaded without a client, so * Configuration files are loaded without a client, so NULL is passed
* NULL is passed into load_cfg() which means that commands run in the * into load_cfg() and commands run in the global queue with
* global queue and item->client is NULL for all commands. * item->client NULL.
*
* However, we must block the initial client (but just the initial
* client) so that its command runs after the configuration is loaded.
* Because start_cfg() is called so early, we can be sure the client's
* command queue is currently empty and our callback will be at the
* front - we need to get in before MSG_COMMAND.
*/ */
c = TAILQ_FIRST(&clients);
if (c != NULL) {
cfg_item = cmdq_get_callback(cfg_client_done, NULL);
cmdq_append(c, cfg_item);
}
load_cfg(TMUX_CONF, NULL, NULL, 1); load_cfg(TMUX_CONF, NULL, NULL, 1);