Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
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linux
1#ifndef _LINUX_KTHREAD_H
2#define _LINUX_KTHREAD_H
3/* Simple interface for creating and stopping kernel threads without mess. */
4#include <linux/err.h>
5#include <linux/sched.h>
6
7struct task_struct *kthread_create(int (*threadfn)(void *data),
8 void *data,
9 const char namefmt[], ...);
10
11/**
12 * kthread_run - create and wake a thread.
13 * @threadfn: the function to run until signal_pending(current).
14 * @data: data ptr for @threadfn.
15 * @namefmt: printf-style name for the thread.
16 *
17 * Description: Convenient wrapper for kthread_create() followed by
18 * wake_up_process(). Returns the kthread or ERR_PTR(-ENOMEM).
19 */
20#define kthread_run(threadfn, data, namefmt, ...) \
21({ \
22 struct task_struct *__k \
23 = kthread_create(threadfn, data, namefmt, ## __VA_ARGS__); \
24 if (!IS_ERR(__k)) \
25 wake_up_process(__k); \
26 __k; \
27})
28
29void kthread_bind(struct task_struct *k, unsigned int cpu);
30int kthread_stop(struct task_struct *k);
31int kthread_should_stop(void);
32
33int kthreadd(void *unused);
34extern struct task_struct *kthreadd_task;
35
36#endif /* _LINUX_KTHREAD_H */