File: kthread.h

package info (click to toggle)
linux-2.6 2.6.32-48squeeze6
  • links: PTS, VCS
  • area: main
  • in suites: squeeze
  • size: 492,732 kB
  • ctags: 1,415,173
  • sloc: ansic: 7,636,125; asm: 225,072; xml: 32,978; makefile: 19,313; perl: 11,533; sh: 3,561; cpp: 3,365; yacc: 2,964; python: 2,893; lex: 1,824; lisp: 218; pascal: 116; awk: 109; sed: 30
file content (37 lines) | stat: -rw-r--r-- 1,156 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
#ifndef _LINUX_KTHREAD_H
#define _LINUX_KTHREAD_H
/* Simple interface for creating and stopping kernel threads without mess. */
#include <linux/err.h>
#include <linux/sched.h>

struct task_struct *kthread_create(int (*threadfn)(void *data),
				   void *data,
				   const char namefmt[], ...)
	__attribute__((format(printf, 3, 4)));

/**
 * kthread_run - create and wake a thread.
 * @threadfn: the function to run until signal_pending(current).
 * @data: data ptr for @threadfn.
 * @namefmt: printf-style name for the thread.
 *
 * Description: Convenient wrapper for kthread_create() followed by
 * wake_up_process().  Returns the kthread or ERR_PTR(-ENOMEM).
 */
#define kthread_run(threadfn, data, namefmt, ...)			   \
({									   \
	struct task_struct *__k						   \
		= kthread_create(threadfn, data, namefmt, ## __VA_ARGS__); \
	if (!IS_ERR(__k))						   \
		wake_up_process(__k);					   \
	__k;								   \
})

void kthread_bind(struct task_struct *k, unsigned int cpu);
int kthread_stop(struct task_struct *k);
int kthread_should_stop(void);

int kthreadd(void *unused);
extern struct task_struct *kthreadd_task;

#endif /* _LINUX_KTHREAD_H */