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worker.h

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+/*
+ * Copyright 2008-2013 Various Authors
+ * Copyright 2004 Timo Hirvonen
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef CMUS_WORKER_H
+#define CMUS_WORKER_H
+
+#include <stdint.h>
+
+#define JOB_TYPE_NONE 0
+#define JOB_TYPE_ANY  ~0
+
+typedef int (*worker_match_cb)(uint32_t type, void *job_data, void *opaque);
+
+void worker_init(void);
+void worker_start(void);
+void worker_exit(void);
+
+void worker_add_job(uint32_t type, void (*job_cb)(void *job_data),
+		void (*free_cb)(void *job_data), void *job_data);
+
+/* NOTE: The callbacks below run in parallel with the job_cb function. Access to
+ * job_data must by synchronized.
+ */
+
+void worker_remove_jobs_by_type(uint32_t pat);
+void worker_remove_jobs_by_cb(worker_match_cb cb, void *opaque);
+
+int worker_has_job(void);
+int worker_has_job_by_type(uint32_t pat);
+int worker_has_job_by_cb(worker_match_cb cb, void *opaque);
+
+int worker_cancelling(void);
+
+#endif