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api: add option "detached" in function hook_process_hashtable

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This commit is contained in:
Sebastien Helleu 2014-03-11 17:48:52 +01:00
parent cd66b459de
commit 4f48c7a566
7 changed files with 97 additions and 31 deletions
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1
ChangeLog.asciidoc
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@ -49,6 +49,7 @@ http://weechat.org/files/releasenotes/ReleaseNotes-devel.html[release notes]
weechat.look.save_{config|layout}_on_exit
* api: add support of case insensitive search and search by buffer full name
in function buffer_search (bug #34318)
* api: add option "detached" in function hook_process_hashtable
* api: add option "signal" in function hook_set to send a signal to the child
process
* api: add support of escaped strings with format `${esc:xxx}` or `${\xxx}` in

6
doc/en/weechat_plugin_api.en.txt
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@ -7196,6 +7196,12 @@ available:
(not used) |
Create a pipe for writing data on standard input (stdin) of child process
(see function <<_weechat_hook_set,weechat_hook_set>>)
| detached +
_(WeeChat ≥ 0.4.4)_ |
(not used) |
Run the process in a detached mode: stdout and stderr are redirected to
'/dev/null'
|===
For command "url:...", following options are available (see

6
doc/fr/weechat_plugin_api.fr.txt
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@ -7320,6 +7320,12 @@ sont disponibles :
(non utilisée) |
Créer un tuyau pour écrire sur l'entrée standard (stdin) du processus fils
(voir la fonction <<_weechat_hook_set,weechat_hook_set>>)
| detached +
_(WeeChat ≥ 0.4.4)_ |
(non utilisée) |
Lancer le process dans un mode détaché : stdout et stderr sont redirigés vers
'/dev/null'
|===
Pour la commande "url:...", les options suivantes sont disponibles (voir

7
doc/it/weechat_plugin_api.it.txt
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@ -7313,6 +7313,13 @@ available:
(not used) |
Create a pipe for writing data on standard input (stdin) of child process
(see function <<_weechat_hook_set,weechat_hook_set>>)
// TRANSLATION MISSING
| detached +
_(WeeChat ≥ 0.4.4)_ |
(not used) |
Run the process in a detached mode: stdout and stderr are redirected to
'/dev/null'
|===
Per il comando "url:..." sono disponibili le seguenti opzioni (consultare

7
doc/ja/weechat_plugin_api.ja.txt
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@ -7200,6 +7200,13 @@ struct t_hook *weechat_hook_process_hashtable (const char *command,
(非使用) |
データを書き込むためのパイプを子プロセスの標準入力 (stdin)
に作成します (関数 <<_weechat_hook_set,weechat_hook_set>> を参照)
// TRANSLATION MISSING
| detached +
_(WeeChat バージョン 0.4.4 以上で利用可)_ |
(非使用) |
Run the process in a detached mode: stdout and stderr are redirected to
'/dev/null'
|===
"url:..." 型のコマンドでは、以下のコマンドを使うことができます

100
src/core/wee-hook.c
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@ -1384,6 +1384,8 @@ hook_process_hashtable (struct t_weechat_plugin *plugin,
new_hook_process->callback = callback;
new_hook_process->command = strdup (command);
new_hook_process->options = (options) ? hashtable_dup (options) : NULL;
new_hook_process->detached = (options && hashtable_has_key (options,
"detached"));
new_hook_process->timeout = timeout;
new_hook_process->child_read[HOOK_PROCESS_STDIN] = -1;
new_hook_process->child_read[HOOK_PROCESS_STDOUT] = -1;
@ -1468,17 +1470,35 @@ hook_process_child (struct t_hook *hook_process)
close (HOOK_PROCESS(hook_process, child_write[HOOK_PROCESS_STDIN]));
/* redirect stdout/stderr to pipe (so that parent process can read them) */
close (HOOK_PROCESS(hook_process, child_read[HOOK_PROCESS_STDOUT]));
close (HOOK_PROCESS(hook_process, child_read[HOOK_PROCESS_STDERR]));
if (dup2 (HOOK_PROCESS(hook_process, child_write[HOOK_PROCESS_STDOUT]),
if (HOOK_PROCESS(hook_process, child_read[HOOK_PROCESS_STDOUT]) >= 0)
{
close (HOOK_PROCESS(hook_process, child_read[HOOK_PROCESS_STDOUT]));
if (dup2 (HOOK_PROCESS(hook_process, child_write[HOOK_PROCESS_STDOUT]),
STDOUT_FILENO) < 0)
{
_exit (EXIT_FAILURE);
{
_exit (EXIT_FAILURE);
}
}
if (dup2 (HOOK_PROCESS(hook_process, child_write[HOOK_PROCESS_STDERR]),
STDERR_FILENO) < 0)
else
{
_exit (EXIT_FAILURE);
/* detached mode: write stdout in /dev/null */
f = freopen ("/dev/null", "w", stdout);
(void) f;
}
if (HOOK_PROCESS(hook_process, child_read[HOOK_PROCESS_STDERR]) >= 0)
{
close (HOOK_PROCESS(hook_process, child_read[HOOK_PROCESS_STDERR]));
if (dup2 (HOOK_PROCESS(hook_process, child_write[HOOK_PROCESS_STDERR]),
STDERR_FILENO) < 0)
{
_exit (EXIT_FAILURE);
}
}
else
{
/* detached mode: write stderr in /dev/null */
f = freopen ("/dev/null", "w", stderr);
(void) f;
}
rc = EXIT_SUCCESS;
@ -1769,11 +1789,14 @@ hook_process_run (struct t_hook *hook_process)
goto error;
}
/* create pipes for stdout/err */
if (pipe (pipes[HOOK_PROCESS_STDOUT]) < 0)
goto error;
if (pipe (pipes[HOOK_PROCESS_STDERR]) < 0)
goto error;
/* create pipes for stdout/err (if not running in detached mode) */
if (!HOOK_PROCESS(hook_process, detached))
{
if (pipe (pipes[HOOK_PROCESS_STDOUT]) < 0)
goto error;
if (pipe (pipes[HOOK_PROCESS_STDERR]) < 0)
goto error;
}
/* assign pipes to variables in hook */
for (i = 0; i < 3; i++)
@ -1811,24 +1834,36 @@ hook_process_run (struct t_hook *hook_process)
close (HOOK_PROCESS(hook_process, child_read[HOOK_PROCESS_STDIN]));
HOOK_PROCESS(hook_process, child_read[HOOK_PROCESS_STDIN]) = -1;
}
close (HOOK_PROCESS(hook_process, child_write[HOOK_PROCESS_STDOUT]));
HOOK_PROCESS(hook_process, child_write[HOOK_PROCESS_STDOUT]) = -1;
close (HOOK_PROCESS(hook_process, child_write[HOOK_PROCESS_STDERR]));
HOOK_PROCESS(hook_process, child_write[HOOK_PROCESS_STDERR]) = -1;
if (HOOK_PROCESS(hook_process, child_read[HOOK_PROCESS_STDOUT]) >= 0)
{
close (HOOK_PROCESS(hook_process, child_write[HOOK_PROCESS_STDOUT]));
HOOK_PROCESS(hook_process, child_write[HOOK_PROCESS_STDOUT]) = -1;
}
if (HOOK_PROCESS(hook_process, child_read[HOOK_PROCESS_STDERR]) >= 0)
{
close (HOOK_PROCESS(hook_process, child_write[HOOK_PROCESS_STDERR]));
HOOK_PROCESS(hook_process, child_write[HOOK_PROCESS_STDERR]) = -1;
}
HOOK_PROCESS(hook_process, hook_fd[HOOK_PROCESS_STDOUT]) =
hook_fd (hook_process->plugin,
HOOK_PROCESS(hook_process, child_read[HOOK_PROCESS_STDOUT]),
1, 0, 0,
&hook_process_child_read_stdout_cb,
hook_process);
if (HOOK_PROCESS(hook_process, child_read[HOOK_PROCESS_STDOUT]) >= 0)
{
HOOK_PROCESS(hook_process, hook_fd[HOOK_PROCESS_STDOUT]) =
hook_fd (hook_process->plugin,
HOOK_PROCESS(hook_process, child_read[HOOK_PROCESS_STDOUT]),
1, 0, 0,
&hook_process_child_read_stdout_cb,
hook_process);
}
HOOK_PROCESS(hook_process, hook_fd[HOOK_PROCESS_STDERR]) =
hook_fd (hook_process->plugin,
HOOK_PROCESS(hook_process, child_read[HOOK_PROCESS_STDERR]),
1, 0, 0,
&hook_process_child_read_stderr_cb,
hook_process);
if (HOOK_PROCESS(hook_process, child_read[HOOK_PROCESS_STDERR]) >= 0)
{
HOOK_PROCESS(hook_process, hook_fd[HOOK_PROCESS_STDERR]) =
hook_fd (hook_process->plugin,
HOOK_PROCESS(hook_process, child_read[HOOK_PROCESS_STDERR]),
1, 0, 0,
&hook_process_child_read_stderr_cb,
hook_process);
}
timeout = HOOK_PROCESS(hook_process, timeout);
interval = 100;
@ -3714,7 +3749,9 @@ hook_add_to_infolist_pointer (struct t_infolist *infolist, struct t_hook *hook)
return 0;
if (!infolist_new_var_string (ptr_item, "options", hashtable_get_string (HOOK_PROCESS(hook, options), "keys_values")))
return 0;
if (!infolist_new_var_integer (ptr_item, "timeout", HOOK_PROCESS(hook, timeout)))
if (!infolist_new_var_integer (ptr_item, "detached", HOOK_PROCESS(hook, detached)))
return 0;
if (!infolist_new_var_integer (ptr_item, "timeout", (int)(HOOK_PROCESS(hook, timeout))))
return 0;
if (!infolist_new_var_integer (ptr_item, "child_read_stdin", HOOK_PROCESS(hook, child_read[HOOK_PROCESS_STDIN])))
return 0;
@ -4196,7 +4233,8 @@ hook_print_log ()
HOOK_PROCESS(ptr_hook, options),
hashtable_get_string (HOOK_PROCESS(ptr_hook, options),
"keys_values"));
log_printf (" timeout . . . . . . . : %d", HOOK_PROCESS(ptr_hook, timeout));
log_printf (" detached. . . . . . . : %d", HOOK_PROCESS(ptr_hook, detached));
log_printf (" timeout . . . . . . . : %ld", HOOK_PROCESS(ptr_hook, timeout));
log_printf (" child_read[stdin] . . : %d", HOOK_PROCESS(ptr_hook, child_read[HOOK_PROCESS_STDIN]));
log_printf (" child_write[stdin]. . : %d", HOOK_PROCESS(ptr_hook, child_write[HOOK_PROCESS_STDIN]));
log_printf (" child_read[stdout]. . : %d", HOOK_PROCESS(ptr_hook, child_read[HOOK_PROCESS_STDOUT]));

1
src/core/wee-hook.h
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@ -213,6 +213,7 @@ struct t_hook_process
t_hook_callback_process *callback; /* process callback (after child end)*/
char *command; /* command executed by child */
struct t_hashtable *options; /* options for process (see doc) */
int detached; /* detached mode (background) */
long timeout; /* timeout (ms) (0 = no timeout) */
int child_read[3]; /* read stdin/out/err data from child*/
int child_write[3]; /* write stdin/out/err data for child*/