drivers/staging/bcm/Queue.h

   1 /*************************************
   2 *       Queue.h
   3 **************************************/
   4 #ifndef __QUEUE_H__
   5 #define __QUEUE_H__
   6
   7
   8
   9 #define ENQUEUEPACKET(_Head, _Tail,_Packet)     \
  10 do                                              \
  11 {                                               \
  12     if (!_Head) {                           \
  13                 _Head = _Packet;                \
  14         }                                       \
  15         else {                                  \
  16                 (_Tail)->next = _Packet;        \
  17         }                                       \
  18         (_Packet)->next = NULL;                 \
  19     _Tail = _Packet;                        \
  20 }while(0)
  21 #define DEQUEUEPACKET(Head, Tail )              \
  22 do                                              \
  23 {   if(Head)                    \
  24         {                                            \
  25         if (!Head->next) {                      \
  26                 Tail = NULL;                    \
  27         }                                       \
  28         Head = Head->next;                      \
  29         }               \
  30 }while(0)
  31 #endif  //__QUEUE_H__