diff options
Diffstat (limited to 'calendar/job.c')
-rw-r--r-- | calendar/job.c | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/calendar/job.c b/calendar/job.c new file mode 100644 index 0000000000..deb62136f1 --- /dev/null +++ b/calendar/job.c @@ -0,0 +1,98 @@ +/* GNOME personal calendar server - job manager + * + * Copyright (C) 2000 Helix Code, Inc. + * + * Author: Federico Mena-Quintero <federico@helixcode.com> + * + * 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + */ + +#include <config.h> +#include "job.h" + + + +/* The job list */ + +typedef struct { + JobFunc func; + gpointer data; +} Job; + +static GSList *jobs_head; +static GSList *jobs_tail; + +static guint jobs_idle_id; + + + +/* Runs a job and dequeues it */ +static gint +run_job (gpointer data) +{ + Job *job; + GSList *l; + + g_assert (jobs_head != NULL); + + job = jobs_head->data; + (* job->func) (job->data); + g_free (job); + + l = jobs_head; + jobs_head = g_slist_remove_link (jobs_head, jobs_head); + g_slist_free_1 (l); + + if (!jobs_head) { + jobs_tail = NULL; + jobs_idle_id = 0; + return FALSE; + } else + return TRUE; +} + +/** + * job_add: + * @func: Function to run the job. + * @data: Data to pass to @function. + * + * Adds a job to the queue. The job will automatically be run asynchronously. + **/ +void +job_add (JobFunc func, gpointer data) +{ + Job *job; + + g_return_if_fail (func != NULL); + + job = g_new (Job, 1); + job->func = func; + job->data = data; + + if (!jobs_head) { + g_assert (jobs_tail == NULL); + g_assert (jobs_idle_id == 0); + + jobs_head = g_slist_append (NULL, job); + jobs_tail = jobs_head; + + jobs_idle_id = gtk_idle_add (run_job, NULL); + } else { + g_assert (jobs_tail != NULL); + g_assert (jobs_idle_id != 0); + + jobs_tail = g_slist_append (jobs_tail, job)->next; + } +} |