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ed9559d38a
Obvious misc patch been in my queue (& linux-next) for over a cycle. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
37 lines
1.1 KiB
C
37 lines
1.1 KiB
C
#ifndef _LINUX_KTHREAD_H
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#define _LINUX_KTHREAD_H
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/* Simple interface for creating and stopping kernel threads without mess. */
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#include <linux/err.h>
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#include <linux/sched.h>
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struct task_struct *kthread_create(int (*threadfn)(void *data),
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void *data,
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const char namefmt[], ...)
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__attribute__((format(printf, 3, 4)));
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/**
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* kthread_run - create and wake a thread.
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* @threadfn: the function to run until signal_pending(current).
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* @data: data ptr for @threadfn.
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* @namefmt: printf-style name for the thread.
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*
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* Description: Convenient wrapper for kthread_create() followed by
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* wake_up_process(). Returns the kthread or ERR_PTR(-ENOMEM).
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*/
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#define kthread_run(threadfn, data, namefmt, ...) \
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({ \
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struct task_struct *__k \
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= kthread_create(threadfn, data, namefmt, ## __VA_ARGS__); \
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if (!IS_ERR(__k)) \
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wake_up_process(__k); \
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__k; \
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})
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void kthread_bind(struct task_struct *k, unsigned int cpu);
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int kthread_stop(struct task_struct *k);
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int kthread_should_stop(void);
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int kthreadd(void *unused);
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extern struct task_struct *kthreadd_task;
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#endif /* _LINUX_KTHREAD_H */
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