xref: /dflybsd-src/sys/dev/drm/include/linux/kthread.h (revision 79a4854ce93542cf01afe07a85f74a842eca7e0e)
139cfddd2SFrançois Tigeot /*
21dedbd3bSFrançois Tigeot  * Copyright (c) 2017-2019 François Tigeot <ftigeot@wolfpond.org>
339cfddd2SFrançois Tigeot  * All rights reserved.
439cfddd2SFrançois Tigeot  *
539cfddd2SFrançois Tigeot  * Redistribution and use in source and binary forms, with or without
639cfddd2SFrançois Tigeot  * modification, are permitted provided that the following conditions
739cfddd2SFrançois Tigeot  * are met:
839cfddd2SFrançois Tigeot  * 1. Redistributions of source code must retain the above copyright
939cfddd2SFrançois Tigeot  *    notice unmodified, this list of conditions, and the following
1039cfddd2SFrançois Tigeot  *    disclaimer.
1139cfddd2SFrançois Tigeot  * 2. Redistributions in binary form must reproduce the above copyright
1239cfddd2SFrançois Tigeot  *    notice, this list of conditions and the following disclaimer in the
1339cfddd2SFrançois Tigeot  *    documentation and/or other materials provided with the distribution.
1439cfddd2SFrançois Tigeot  *
1539cfddd2SFrançois Tigeot  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
1639cfddd2SFrançois Tigeot  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
1739cfddd2SFrançois Tigeot  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
1839cfddd2SFrançois Tigeot  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
1939cfddd2SFrançois Tigeot  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
2039cfddd2SFrançois Tigeot  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
2139cfddd2SFrançois Tigeot  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
2239cfddd2SFrançois Tigeot  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
2339cfddd2SFrançois Tigeot  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
2439cfddd2SFrançois Tigeot  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
2539cfddd2SFrançois Tigeot  */
2639cfddd2SFrançois Tigeot 
2739cfddd2SFrançois Tigeot #ifndef _LINUX_KTHREAD_H_
2839cfddd2SFrançois Tigeot #define _LINUX_KTHREAD_H_
2939cfddd2SFrançois Tigeot 
3039cfddd2SFrançois Tigeot #include <linux/err.h>
31d6aa1cc5SFrançois Tigeot #include <linux/sched.h>
3239cfddd2SFrançois Tigeot 
33aa2693a5SFrançois Tigeot struct task_struct *
34aa2693a5SFrançois Tigeot kthread_run(int (*fn)(void *lfnarg), void *data, const char *namefmt, ...);
351dedbd3bSFrançois Tigeot 
36aa2693a5SFrançois Tigeot int kthread_stop(struct task_struct *k);
37aa2693a5SFrançois Tigeot 
38aa2693a5SFrançois Tigeot bool kthread_should_stop(void);
391dedbd3bSFrançois Tigeot 
40*79a4854cSFrançois Tigeot int kthread_park(struct task_struct *k);
41*79a4854cSFrançois Tigeot void kthread_unpark(struct task_struct *k);
42*79a4854cSFrançois Tigeot bool kthread_should_park(void);
43*79a4854cSFrançois Tigeot void kthread_parkme(void);
44*79a4854cSFrançois Tigeot 
4539cfddd2SFrançois Tigeot #endif	/* _LINUX_KTHREAD_H_ */
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