sys/sys/xwait.h

   1 /*
   2  * SYS/XWAIT.H
   3  *
   4  * $DragonFly: src/sys/sys/xwait.h,v 1.2 2006/05/20 02:42:13 dillon Exp $
   5  */
   6
   7 #ifndef _SYS_XWAIT_H_
   8 #define _SYS_XWAIT_H_
   9
  10 #ifndef _SYS_QUEUE_H_
  11 #include <sys/queue.h>
  12 #endif
  13
  14 struct proc;
  15
  16 /*
  17  * XWAIT structure for xsleep()/xwakeup()
  18  */
  19
  20 struct xwait {
  21     int     gen;
  22     TAILQ_HEAD(,proc) waitq;
  23 };
  24
  25 static __inline void
  26 xupdate_gen(struct xwait *w)
  27 {
  28     ++w->gen;
  29 }
  30
  31 #endif
  32