Ben Pfaff
ebb1d65cf7
This is required on the Quanta platform, which needs to down a semaphore inside the timeout implementation. Also, add a 2.4 compatibility implementation of kthread so that both 2.4 and 2.6 can use the kthread API.
35 lines
1.0 KiB
C
35 lines
1.0 KiB
C
#ifndef _LINUX_KTHREAD_H
|
|
#define _LINUX_KTHREAD_H
|
|
/* Simple interface for creating and stopping kernel threads without mess. */
|
|
#include <linux/sched.h>
|
|
|
|
struct task_struct *kthread_create(int (*threadfn)(void *data),
|
|
void *data,
|
|
const char namefmt[], ...);
|
|
|
|
/**
|
|
* 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; \
|
|
})
|
|
|
|
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 */
|