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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
*
* Copyright (C) 2010 Novell, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include <gio/gio.h>
#include <glib/gi18n.h>
#include "gsm-process-helper.h"
typedef struct {
gboolean done;
GSubprocess *process;
gboolean caught_error;
GError **error;
GMainContext *maincontext;
GSource *timeout_source;
} GsmProcessHelper;
static void
on_child_exited (GObject *source,
GAsyncResult *result,
gpointer data)
{
GsmProcessHelper *helper = data;
helper->done = TRUE;
if (!g_subprocess_wait_check_finish ((GSubprocess*)source, result,
helper->caught_error ? NULL : helper->error))
helper->caught_error = TRUE;
g_clear_pointer (&helper->timeout_source, g_source_destroy);
g_main_context_wakeup (helper->maincontext);
}
static gboolean
on_child_timeout (gpointer data)
{
GsmProcessHelper *helper = data;
g_assert (!helper->done);
g_subprocess_force_exit (helper->process);
g_set_error_literal (helper->error,
G_IO_CHANNEL_ERROR,
G_IO_CHANNEL_ERROR_FAILED,
"Timed out");
helper->timeout_source = NULL;
return FALSE;
}
gboolean
gsm_process_helper (const char *command_line,
unsigned int timeout,
GError **error)
{
gboolean ret = FALSE;
GsmProcessHelper helper = { 0, };
gchar **argv = NULL;
GMainContext *subcontext = NULL;
if (!g_shell_parse_argv (command_line, NULL, &argv, error))
goto out;
helper.error = error;
subcontext = g_main_context_new ();
g_main_context_push_thread_default (subcontext);
helper.process = g_subprocess_newv ((const char*const*)argv, 0, error);
if (!helper.process)
goto out;
g_subprocess_wait_async (helper.process, NULL, on_child_exited, &helper);
helper.timeout_source = g_timeout_source_new (timeout);
g_source_set_callback (helper.timeout_source, on_child_timeout, &helper, NULL);
g_source_attach (helper.timeout_source, subcontext);
while (!helper.done)
g_main_context_iteration (subcontext, TRUE);
ret = helper.caught_error;
out:
g_strfreev (argv);
if (subcontext) {
g_main_context_pop_thread_default (subcontext);
g_main_context_unref (subcontext);
}
g_clear_object (&helper.process);
return ret;
}
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