exec: remove argv_len from struct linux_binprm
[linux-3.10.git] / include / linux / kthread.h
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
7 struct 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
29 void kthread_bind(struct task_struct *k, unsigned int cpu);
30 int kthread_stop(struct task_struct *k);
31 int kthread_should_stop(void);
32
33 int kthreadd(void *unused);
34 extern struct task_struct *kthreadd_task;
35
36 #endif /* _LINUX_KTHREAD_H */