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Diff for /src/sys/arch/x68k/dev/event.c between version 1.7 and 1.7.6.5

version 1.7, 2002/11/26 19:50:30 version 1.7.6.5, 2005/02/04 07:09:16
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  * 2. Redistributions in binary form must reproduce the above copyright   * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the   *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.   *    documentation and/or other materials provided with the distribution.
  * 3. All advertising materials mentioning features or use of this software   * 3. Neither the name of the University nor the names of its contributors
  *    must display the following acknowledgement:  
  *      This product includes software developed by the University of  
  *      California, Berkeley and its contributors.  
  * 4. Neither the name of the University nor the names of its contributors  
  *    may be used to endorse or promote products derived from this software   *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.   *    without specific prior written permission.
  *   *
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  * Internal `Firm_event' interface for the keyboard and mouse drivers.   * Internal `Firm_event' interface for the keyboard and mouse drivers.
  */   */
   
   #include <sys/cdefs.h>
   __KERNEL_RCSID(0, "$NetBSD$");
   
 #include <sys/param.h>  #include <sys/param.h>
 #include <sys/fcntl.h>  #include <sys/fcntl.h>
 #include <sys/malloc.h>  #include <sys/malloc.h>
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  * Initialize a firm_event queue.   * Initialize a firm_event queue.
  */   */
 void  void
 ev_init(ev)  ev_init(struct evvar *ev)
         register struct evvar *ev;  
 {  {
   
         ev->ev_get = ev->ev_put = 0;          ev->ev_get = ev->ev_put = 0;
Line 78  ev_init(ev)
Line 76  ev_init(ev)
  * Tear down a firm_event queue.   * Tear down a firm_event queue.
  */   */
 void  void
 ev_fini(ev)  ev_fini(struct evvar *ev)
         register struct evvar *ev;  
 {  {
   
         free(ev->ev_q, M_DEVBUF);          free(ev->ev_q, M_DEVBUF);
Line 90  ev_fini(ev)
Line 87  ev_fini(ev)
  * (User cannot write an event queue.)   * (User cannot write an event queue.)
  */   */
 int  int
 ev_read(ev, uio, flags)  ev_read(struct evvar *ev, struct uio *uio, int flags)
         register struct evvar *ev;  
         struct uio *uio;  
         int flags;  
 {  {
         int s, n, cnt, error;          int s, n, cnt, error;
   
Line 147  ev_read(ev, uio, flags)
Line 141  ev_read(ev, uio, flags)
 }  }
   
 int  int
 ev_poll(ev, events, p)  ev_poll(struct evvar *ev, int events, struct lwp *l)
         register struct evvar *ev;  
         int events;  
         struct proc *p;  
 {  {
         int s = splev(), revents = 0;          int s, revents = 0;
   
           s = splev();
         if (events & (POLLIN | POLLRDNORM)) {          if (events & (POLLIN | POLLRDNORM)) {
                 if (ev->ev_get == ev->ev_put)                  if (ev->ev_get == ev->ev_put)
                         selrecord(p, &ev->ev_sel);                          selrecord(l, &ev->ev_sel);
                 else                  else
                         revents |= events & (POLLIN | POLLRDNORM);                          revents |= events & (POLLIN | POLLRDNORM);
         }          }
         revents |= events & (POLLOUT | POLLWRNORM);          revents |= events & (POLLOUT | POLLWRNORM);
   
         splx(s);          splx(s);
         return (revents);          return (revents);
 }  }
Legend:
Removed from v.1.7  
changed lines
  Added in v.1.7.6.5
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