text: /****************************************************************************
   ****************************************************************************
   ***
   ***   This header was automatically generated from a Linux kernel header
   ***   of the same name, to make information necessary for userspace to
   ***   call into the kernel available to libc.  It contains only constants,
   ***   structures, and macros generated from the original header, and thus,
   ***   contains no copyrightable information.
   ***
   ****************************************************************************
   ****************************************************************************/
  #ifndef _LINUX_SUNRPC_SCHED_H_
  #define _LINUX_SUNRPC_SCHED_H_
  
  #include <linux/timer.h>
  #include <linux/sunrpc/types.h>
  #include <linux/spinlock.h>
  #include <linux/wait.h>
  #include <linux/workqueue.h>
  #include <linux/sunrpc/xdr.h>
  
  struct rpc_procinfo;
  struct rpc_message {
   struct rpc_procinfo * rpc_proc;
   void * rpc_argp;
   void * rpc_resp;
   struct rpc_cred * rpc_cred;
  };
  
  struct rpc_call_ops;
  struct rpc_wait_queue;
  struct rpc_wait {
   struct list_head list;
   struct list_head links;
   struct rpc_wait_queue * rpc_waitq;
  };
  
  struct rpc_task {
  #ifdef RPC_DEBUG
   unsigned long tk_magic;
  #endif
   atomic_t tk_count;
   struct list_head tk_task;
   struct rpc_clnt * tk_client;
   struct rpc_rqst * tk_rqstp;
   int tk_status;
  
   struct rpc_message tk_msg;
   __u8 tk_garb_retry;
   __u8 tk_cred_retry;
  
   unsigned long tk_cookie;
  
   void (*tk_timeout_fn)(struct rpc_task *);
   void (*tk_callback)(struct rpc_task *);
   void (*tk_action)(struct rpc_task *);
   const struct rpc_call_ops *tk_ops;
   void * tk_calldata;
  
   struct timer_list tk_timer;
   unsigned long tk_timeout;
   unsigned short tk_flags;
   unsigned char tk_priority : 2;
   unsigned long tk_runstate;
   struct workqueue_struct *tk_workqueue;
   union {
   struct work_struct tk_work;
   struct rpc_wait tk_wait;
   } u;
  
   unsigned short tk_timeouts;
   size_t tk_bytes_sent;
   unsigned long tk_start;
   long tk_rtt;
  
  #ifdef RPC_DEBUG
   unsigned short tk_pid;
  #endif
  };
  #define tk_auth tk_client->cl_auth
  #define tk_xprt tk_client->cl_xprt
  
  #define task_for_each(task, pos, head)   list_for_each(pos, head)   if ((task=list_entry(pos, struct rpc_task, u.tk_wait.list)),1)
  
  #define task_for_first(task, head)   if (!list_empty(head) &&   ((task=list_entry((head)->next, struct rpc_task, u.tk_wait.list)),1))
  
  #define alltask_for_each(task, pos, head)   list_for_each(pos, head)   if ((task=list_entry(pos, struct rpc_task, tk_task)),1)
  
  typedef void (*rpc_action)(struct rpc_task *);
  
  struct rpc_call_ops {
   void (*rpc_call_prepare)(struct rpc_task *, void *);
   void (*rpc_call_done)(struct rpc_task *, void *);
   void (*rpc_release)(void *);
  };
  
  #define RPC_TASK_ASYNC 0x0001  
  #define RPC_TASK_SWAPPER 0x0002  
  #define RPC_TASK_CHILD 0x0008  
  #define RPC_CALL_MAJORSEEN 0x0020  
  #define RPC_TASK_ROOTCREDS 0x0040  
  #define RPC_TASK_DYNAMIC 0x0080  
  #define RPC_TASK_KILLED 0x0100  
  #define RPC_TASK_SOFT 0x0200  
  #define RPC_TASK_NOINTR 0x0400  
  
  #define RPC_IS_ASYNC(t) ((t)->tk_flags & RPC_TASK_ASYNC)
  #define RPC_IS_CHILD(t) ((t)->tk_flags & RPC_TASK_CHILD)
  #define RPC_IS_SWAPPER(t) ((t)->tk_flags & RPC_TASK_SWAPPER)
  #define RPC_DO_ROOTOVERRIDE(t) ((t)->tk_flags & RPC_TASK_ROOTCREDS)
  #define RPC_ASSASSINATED(t) ((t)->tk_flags & RPC_TASK_KILLED)
  #define RPC_DO_CALLBACK(t) ((t)->tk_callback != NULL)
  #define RPC_IS_SOFT(t) ((t)->tk_flags & RPC_TASK_SOFT)
  #define RPC_TASK_UNINTERRUPTIBLE(t) ((t)->tk_flags & RPC_TASK_NOINTR)
  
  #define RPC_TASK_RUNNING 0
  #define RPC_TASK_QUEUED 1
  #define RPC_TASK_WAKEUP 2
  #define RPC_TASK_HAS_TIMER 3
  #define RPC_TASK_ACTIVE 4
  
  #define RPC_IS_RUNNING(t) (test_bit(RPC_TASK_RUNNING, &(t)->tk_runstate))
  #define rpc_set_running(t) (set_bit(RPC_TASK_RUNNING, &(t)->tk_runstate))
  #define rpc_test_and_set_running(t)   (test_and_set_bit(RPC_TASK_RUNNING, &(t)->tk_runstate))
  #define rpc_clear_running(t)   do {   smp_mb__before_clear_bit();   clear_bit(RPC_TASK_RUNNING, &(t)->tk_runstate);   smp_mb__after_clear_bit();   } while (0)
  
  #define RPC_IS_QUEUED(t) (test_bit(RPC_TASK_QUEUED, &(t)->tk_runstate))
  #define rpc_set_queued(t) (set_bit(RPC_TASK_QUEUED, &(t)->tk_runstate))
  #define rpc_clear_queued(t)   do {   smp_mb__before_clear_bit();   clear_bit(RPC_TASK_QUEUED, &(t)->tk_runstate);   smp_mb__after_clear_bit();   } while (0)
  
  #define rpc_start_wakeup(t)   (test_and_set_bit(RPC_TASK_WAKEUP, &(t)->tk_runstate) == 0)
  #define rpc_finish_wakeup(t)   do {   smp_mb__before_clear_bit();   clear_bit(RPC_TASK_WAKEUP, &(t)->tk_runstate);   smp_mb__after_clear_bit();   } while (0)
  
  #define RPC_IS_ACTIVATED(t) (test_bit(RPC_TASK_ACTIVE, &(t)->tk_runstate))
  #define rpc_set_active(t) (set_bit(RPC_TASK_ACTIVE, &(t)->tk_runstate))
  #define rpc_clear_active(t)   do {   smp_mb__before_clear_bit();   clear_bit(RPC_TASK_ACTIVE, &(t)->tk_runstate);   smp_mb__after_clear_bit();   } while(0)
  
  #define RPC_PRIORITY_LOW 0
  #define RPC_PRIORITY_NORMAL 1
  #define RPC_PRIORITY_HIGH 2
  #define RPC_NR_PRIORITY (RPC_PRIORITY_HIGH+1)
  
  struct rpc_wait_queue {
   spinlock_t lock;
   struct list_head tasks[RPC_NR_PRIORITY];
   unsigned long cookie;
   unsigned char maxpriority;
   unsigned char priority;
   unsigned char count;
   unsigned char nr;
   unsigned short qlen;
  #ifdef RPC_DEBUG
   const char * name;
  #endif
  };
  
  #define RPC_BATCH_COUNT 16
  
  #ifndef RPC_DEBUG
  #define RPC_WAITQ_INIT(var,qname) {   .lock = SPIN_LOCK_UNLOCKED,   .tasks = {   [0] = LIST_HEAD_INIT(var.tasks[0]),   [1] = LIST_HEAD_INIT(var.tasks[1]),   [2] = LIST_HEAD_INIT(var.tasks[2]),   },   }
  #else
  #define RPC_WAITQ_INIT(var,qname) {   .lock = SPIN_LOCK_UNLOCKED,   .tasks = {   [0] = LIST_HEAD_INIT(var.tasks[0]),   [1] = LIST_HEAD_INIT(var.tasks[1]),   [2] = LIST_HEAD_INIT(var.tasks[2]),   },   .name = qname,   }
  #endif
  #define RPC_WAITQ(var,qname) struct rpc_wait_queue var = RPC_WAITQ_INIT(var,qname)
  
  #define RPC_IS_PRIORITY(q) ((q)->maxpriority > 0)
  
  struct rpc_task *rpc_new_task(struct rpc_clnt *, int flags,
   const struct rpc_call_ops *ops, void *data);
  struct rpc_task *rpc_run_task(struct rpc_clnt *clnt, int flags,
   const struct rpc_call_ops *ops, void *data);
  struct rpc_task *rpc_new_child(struct rpc_clnt *, struct rpc_task *parent);
  
  struct rpc_task *rpc_wake_up_next(struct rpc_wait_queue *);
  
  #ifdef RPC_DEBUG
  
  #endif
  
  #ifdef RPC_DEBUG
  #endif
  #endif
  