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Add a command queue to standardize and simplify commands that call other

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commands and allow a command to block execution of subsequent commands. This
allows run-shell and if-shell to be synchronous which has been much requested.

Each client has a default command queue and commands are consumed one at a time
from it. A command may suspend execution from the queue by returning
CMD_RETURN_WAIT and then resume it by calling cmd_continue() - for example
run-shell does this from the callback that is fired after the job is freed.

When the command queue becomes empty, command clients are automatically exited
(unless attaching). A callback is also fired - this is used for nested commands
in, for example, if-shell which can block execution of the client's cmdq until
a new cmdq becomes empty.

Also merge all the old error/info/print functions together and lose the old
curclient/cmdclient distinction - a cmdq is bound to one client (or none if in
the configuration file), this is a command client if c->session is NULL
otherwise an attached client.
This commit is contained in:
Nicholas Marriott
2013-02-23 22:25:58 +00:00
parent 357da035b9
commit 3964309c67
86 changed files with 1218 additions and 1219 deletions
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22
cmd-list-windows.c
View File

@@ -27,11 +27,11 @@
* List windows on given session.
*/
enum cmd_retval cmd_list_windows_exec(struct cmd *, struct cmd_ctx *);
enum cmd_retval cmd_list_windows_exec(struct cmd *, struct cmd_q *);
void cmd_list_windows_server(struct cmd *, struct cmd_ctx *);
void cmd_list_windows_server(struct cmd *, struct cmd_q *);
void cmd_list_windows_session(
struct cmd *, struct session *, struct cmd_ctx *, int);
struct cmd *, struct session *, struct cmd_q *, int);
const struct cmd_entry cmd_list_windows_entry = {
"list-windows", "lsw",
@@ -44,35 +44,35 @@ const struct cmd_entry cmd_list_windows_entry = {
};
enum cmd_retval
cmd_list_windows_exec(struct cmd *self, struct cmd_ctx *ctx)
cmd_list_windows_exec(struct cmd *self, struct cmd_q *cmdq)
{
struct args *args = self->args;
struct session *s;
if (args_has(args, 'a'))
cmd_list_windows_server(self, ctx);
cmd_list_windows_server(self, cmdq);
else {
s = cmd_find_session(ctx, args_get(args, 't'), 0);
s = cmd_find_session(cmdq, args_get(args, 't'), 0);
if (s == NULL)
return (CMD_RETURN_ERROR);
cmd_list_windows_session(self, s, ctx, 0);
cmd_list_windows_session(self, s, cmdq, 0);
}
return (CMD_RETURN_NORMAL);
}
void
cmd_list_windows_server(struct cmd *self, struct cmd_ctx *ctx)
cmd_list_windows_server(struct cmd *self, struct cmd_q *cmdq)
{
struct session *s;
RB_FOREACH(s, sessions, &sessions)
cmd_list_windows_session(self, s, ctx, 1);
cmd_list_windows_session(self, s, cmdq, 1);
}
void
cmd_list_windows_session(
struct cmd *self, struct session *s, struct cmd_ctx *ctx, int type)
struct cmd *self, struct session *s, struct cmd_q *cmdq, int type)
{
struct args *args = self->args;
struct winlink *wl;
@@ -102,7 +102,7 @@ cmd_list_windows_session(
format_window_pane(ft, wl->window->active);
line = format_expand(ft, template);
ctx->print(ctx, "%s", line);
cmdq_print(cmdq, "%s", line);
free(line);
format_free(ft);