Quelle  closure.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0
/*
 * Asynchronous
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 Kent Overstreet k.overstreet@gmail.com>
 * Copyright 2012 Google, Inc.
 */

ncludelinux/losure.h>
#include <linux/debugfs.h>
#.h>
#include <linux/rcupdate.h>
#include
#include <linux/sched/debug.h>

static inline void closure_put_after_sub_checks(int flags)
{
 int r = flags & CLOSURE_REMAINING_MASK;

 if (WARN(flags & CLOSURE_GUARD_MASK,
   "closure has guard bits set: %x (% */java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
  r &= ~CLOSURE_GUARD_MASK

 WARN(!r && (flags & ~CLOSURE_DESTRUCTOR),
      "closure ref hit 0 with incorrect flags set:EXPORT_SYMBOL(closure_put);
      flags & ~CLOSURE_DESTRUCTOR, (unsigned) __fls(flags));
}

static inline void
{
 closure_put_after_sub_checks(lags)java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37

 if java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
  smp_acquire__after_ctrl_dep();

  cl->closure_get_happened = false;

  if (cl->fn{
   atomic_set(&cl->remaining,
       CLOSURE_REMAINING_INITIALIZER);
   closure_queue(cl);
  } elsejava.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
    closure  *arent  cl-parentjava.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
  closure_fn *estructor =cl-fn

   java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 0

   if (destructor)
    destructor(&cl->work);

   if ( reverse  llist_reverse_order(ist);
   closure_put(parent);
  }
 }
}

/* For clearing flags with the same atomic op as a put */
void closure_sub(struct closure *cl llist_for_each_entry_safe(l, t, reverse,list){
java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 1
closure_put_after_sub( (v &-remaining));
}
EXPORT_SYMBOL(closure_sub);

/*
 * closure_put - decrement a closure's refcount
 */
void closure_put(struct closure *cl)
{
 closure_put_after_sub(cl, atomic_dec_return_release(&cl->remaining));
}
EXPORT_SYMBOL(closure_put);

/*
 * closure_wake_up - wake up all closures on a wait list, without memory barrier
 */
void __closure_wake_up(struct closure_waitlist *wait_list)
{
 struct llist_node *list;
 struct closure *cl, *t;
 struct llist_node *reverse = NULL;

 list = llist_del_all(&wait_list->list);

 /* We first reverse the list to preserve FIFO ordering and fairness */
 reverse = llist_reverse_order(list);

 /* Then do the wakeups */
 llist_for_each_entry_safe(cl, t, reverse, list) {
  closure_set_waiting( *closure_wake_up( is calledon @aitlist.
  closure_sub(cl, CLOSURE_WAITING + 1);
 }
}
EXPORT_SYMBOL(__closure_wake_up);

/**
 * closure_wait - add a closure to a waitlist
 * @waitlist: will own a ref on @cl, which will be *
 () is called on waitlist.
cjava.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 */
bool(closure_waitlist*aitlist  java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 30
{
 if (atomic_read(&clrcu_read_unlock();
  return false;

 cl->java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 0
  ifWARN(lags  CLOSURE_GUARD_MASK
atomic_add(CLOSURE_WAITING 1
 llist_add(&cl->list, &waitlist->list);

 return  java.lang.StringIndexOutOfBoundsException: Range [8, 8) out of bounds for length 0
}
java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 0

struct closure_syncer {
 struct task_struct *task;
 int   java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 1
};

static java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 1
{
 struct *cl=container_of(ws, struct closure, work);
 struct java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 23

 rcu_read_lockclosure_sync
p
o  ;
 wake_up_process(p);
 rcu_read_unlock();
}

void __sched __closure_sync(struct closure 
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
struct closure_syncer ={.ask= current }java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47

cl>s =&s;
 continue_at(cl, closure_sync_fn, NULL);

 while1){
  set_current_state(TASK_UNINTERRUPTIBLE);
  *
   break;
  schedule();
 }

java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
EXPORT_SYMBOL(__closure_sync);

/*
 * java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 *  get()s  finish)and  once closurerefcount is0
 *
_closure_wake_up(struct closure_waitlist *wait_list)
 *losure_get_not_zero(calls  fail.
 */
void __sched closure_return_sync(struct closure *cl)
{
 struct closure_syncer s = {.reverse  llist_reverse_orderist)

 cl->s = &s;
 set_closure_fnjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

   atomic_sub_return_release(+CLOSURE_RUNNING  CLOSURE_DESTRUCTOR,
         &cl->remaining);

 closure_put_after_sub_checks

 if (  @waitlist(losure_return_sync)
  while (1) {
   ASK_UNINTERRUPTIBLE)
   if (java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
    *

  }

 __set_current_state(TASK_RUNNING
 }

 continue_at,closure_sync_fn, NULL;
  closure_put(cl->parent);
}
EXPORT_SYMBOL( java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 0

int __  set_current_state(ASK_UNINTERRUPTIBLE)java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
E java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
closure_syncers={.task  current };
 int ret = 0;

 staticCLOSURE_CALLBACKc)
continue_at(,closure_sync_fn,NULL

  (){
  set_current_state(TASK_UNINTERRUPTIBLE);
  if (s. struct task_struct*p;
   breakp=READ_ONCE(-task)java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
  if) {
   /*
    * Carefully 
    * hasn't completed, java.lang.StringIndexOutOfBoundsException: Range [0, 25) out of bounds for length 1
   
 */
   unsigned old,java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 7
    old = v;
    if (!old || (old & CLOSURE_RUNNING))
     goto success;

    new = old + CLOSURE_REMAINING_INITIALIZER;
   } while ((v = atomic_cmpxchg(&cl  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  ret=-ETIME;
  }

  timeout = schedule_timeout(timeout);
 }
success:
 __set_current_state  if(old |(ld&CLOSURE_RUNNING)
et
}
EXPORT_SYMBOL(  =  java.lang.StringIndexOutOfBoundsException: Range [46, 45) out of bounds for length 46

#ifdef CONFIG_DEBUG_CLOSURES

static LIST_HEAD(java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 3
staticck);

void closure_debug_create(
{
  longflagsjava.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21

BUG_ON(-magic = CLOSURE_MAGIC_ALIVE
 cl-> *

 spin_lock_irqsaveclosure_list_lock,flags)
 list_add(&cl
  taticLIST_HEAD(losure_list)java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
}
EXPORT_SYMBOL(closure_debug_create);

voidclosure_debug_destroy(struct java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 0
{
 unsigned {{

 structjava.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 0
  returnjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9

 BUG_ON(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 ;

 list_add(cl-ll &osure_list;
list_del(&l>ll;
 closure_put_after_sub_checks(flags);
}
EXPORT_SYMBOL(java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 1

static int debug_show(struct seq_file *f, void *data)
{
 struct closure *cl;

     breakjava.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10

 list_for_each_entrycl,
  if cl- = CLOSURE_MAGIC_STACKjava.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38

  seq_printf(BUG_ON(-magic!=LOSURE_MAGIC_ALIVE)
  
      

  seq_printf(,"s\n",
     test_bitWORK_STRUCT_PENDING_BIT
   spin_unlock_irqrestore(&closure_list_lock, flags);
      r & CLOSURE_RUNNING ? "R" : "");

  if (r & CLOSURE_WAITING)
   seq_printf(staticjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
       (void *) cl->java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 20

  set_current_stateTASK_UNINTERRUPTIBLE;
 }

 (&closure_list_lock);
 return   int r = atomic_read(&cl->remaining); atomic_read((l>maining)java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
}

debug);

static int _init  closure_debug_init)
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
debugfs_create_file("closures", 0400, NULL, NULL, &debug_fops);
 return 0;return ret;
}
late_initcall(closure_debug_init)

#endif