wait.h File Reference

#include "kernel/vsf_kernel.h"
#include <linux/spinlock.h>
#include <linux/list.h>

Go to the source code of this file.

Data Structures
struct	wait_queue_entry
struct	wait_queue_head

Macros
#define	WQ_FLAG_EXCLUSIVE   0x01
#define	WQ_FLAG_WOKEN   0x02
#define	WQ_FLAG_BOOKMARK   0x04
#define	WQ_FLAG_CUSTOM   0x08
#define	WQ_FLAG_DONE   0x10
#define	WQ_FLAG_PRIORITY   0x20
#define	__wait_event_timeout(__wqh, __cond, __timeout)
#define	wait_event_timeout(__wqh, __cond, __timeout)
#define	wait_event(__wqh, __cond)   wait_event_timeout(__wqh, __cond, -1)
#define	wake_up(__wqh)   wake_up_nr((__wqh), 1)
#define	wake_up_all(__wqh)   wake_up_nr((__wqh), -1)

Typedefs
typedef int(*	wait_queue_func_t) (struct wait_queue_entry *wqe, unsigned mode, int flags, void *key)
typedef struct wait_queue_entry	wait_queue_entry_t
typedef struct wait_queue_head	wait_queue_head_t

Functions
void	init_wait_entry (struct wait_queue_entry *wqe, int flags)
void	prepare_to_wait (struct wait_queue_head *wqh, struct wait_queue_entry *wqe, int state)
bool	prepare_to_wait_exclusive (struct wait_queue_head *wqh, struct wait_queue_entry *wqe, int state)
long	prepare_to_wait_event (struct wait_queue_head *wqh, struct wait_queue_entry *wqe, int state)
void	finish_wait (struct wait_queue_head *wqh, struct wait_queue_entry *wqe)
long	wait_woken (struct wait_queue_entry *wqe, unsigned mode, long timeout)
int	woken_wake_function (struct wait_queue_entry *wqe, unsigned mode, int sync, void *key)
int	autoremove_wake_function (struct wait_queue_entry *wqe, unsigned mode, int sync, void *key)
void	wake_up_nr (struct wait_queue_head *wqh, int nr)

Macro Definition Documentation

WQ_FLAG_EXCLUSIVE

#define WQ_FLAG_EXCLUSIVE   0x01

WQ_FLAG_WOKEN

#define WQ_FLAG_WOKEN   0x02

WQ_FLAG_BOOKMARK

#define WQ_FLAG_BOOKMARK   0x04

WQ_FLAG_CUSTOM

#define WQ_FLAG_CUSTOM   0x08

WQ_FLAG_DONE

#define WQ_FLAG_DONE   0x10

WQ_FLAG_PRIORITY

#define WQ_FLAG_PRIORITY   0x20

__wait_event_timeout

#define __wait_event_timeout	(		__wqh,
			__cond,
			__timeout
	)

Value:

    ({                       \
    struct wait_queue_entry __wqe;                                              \
    long local_timeout = (__timeout);                                           \
    vsf_trig_t trig;                                                            \
    vsf_eda_trig_init(&trig, false, true);                                      \
    __wqe.__trig = &trig;                                                       \
    init_wait_entry(&__wqe, 0);                                                 \
    while (1) {                                                                 \
        prepare_to_wait_event(&__wqh, &__wqe, 0);                               \
        if (__cond) {                                                           \
            break;                                                              \
        }                                                                       \
        vsf_thread_trig_pend(&trig, local_timeout);                             \
    }                                                                           \
    finish_wait(&__wqh, &__wqe);                                                \
    local_timeout;                                                              \
})

wait_event_timeout

#define wait_event_timeout	(		__wqh,
			__cond,
			__timeout
	)

Value:

    ({                         \
    long local_timeout = (__timeout);                                           \
    bool local_cond = (__cond);                                                 \
    if (local_cond && !local_timeout) {                                         \
        local_timeout = 1;                                                      \
    }                                                                           \
    if (!(local_cond || !local_timeout)) {                                      \
        local_timeout = __wait_event_timeout(__wqh, __cond, __timeout);         \
    }                                                                           \
    local_timeout;                                                              \
})

wait_event

#define wait_event	(		__wqh,
			__cond
	)		wait_event_timeout(__wqh, __cond, -1)

wake_up

#define wake_up

(

__wqh

)

wake_up_nr((__wqh), 1)

wake_up_all

#define wake_up_all

(

__wqh

)

wake_up_nr((__wqh), -1)

Typedef Documentation

wait_queue_func_t

typedef int(* wait_queue_func_t) (struct wait_queue_entry *wqe, unsigned mode, int flags, void *key)

wait_queue_entry_t

typedef struct wait_queue_entry wait_queue_entry_t

wait_queue_head_t

typedef struct wait_queue_head wait_queue_head_t

Function Documentation

init_wait_entry()

void init_wait_entry ( struct wait_queue_entry *  wqe, int  flags  )

extern

prepare_to_wait()

void prepare_to_wait ( struct wait_queue_head *  wqh, struct wait_queue_entry *  wqe, int  state  )

extern

prepare_to_wait_exclusive()

bool prepare_to_wait_exclusive ( struct wait_queue_head *  wqh, struct wait_queue_entry *  wqe, int  state  )

extern

prepare_to_wait_event()

long prepare_to_wait_event ( struct wait_queue_head *  wqh, struct wait_queue_entry *  wqe, int  state  )

extern

finish_wait()

void finish_wait ( struct wait_queue_head *  wqh, struct wait_queue_entry *  wqe  )

extern

wait_woken()

long wait_woken ( struct wait_queue_entry *  wqe, unsigned  mode, long  timeout  )

extern

woken_wake_function()

int woken_wake_function ( struct wait_queue_entry *  wqe, unsigned  mode, int  sync, void *  key  )

extern

autoremove_wake_function()

int autoremove_wake_function ( struct wait_queue_entry *  wqe, unsigned  mode, int  sync, void *  key  )

extern

wake_up_nr()

void wake_up_nr ( struct wait_queue_head *  wqh, int  nr  )

extern