workbench/libs/popupmenu/timer.c

   1 #include <exec/types.h>
   2 #include <devices/timer.h>
   3 #include <proto/exec.h>
   4
   5 void EZDeleteTimer(TimeRequest)
   6 struct timerequest *TimeRequest;
   7 {
   8         struct MsgPort *TimePort;
   9
  10         if(TimeRequest)
  11         {
  12                 if(TimeRequest->tr_node.io_Device)
  13                         CloseDevice(TimeRequest);
  14
  15                 if((TimePort=TimeRequest->tr_node.io_Message.mn_ReplyPort))
  16                         DeletePort(TimePort);
  17
  18                 DeleteExtIO(TimeRequest);
  19         }
  20 }
  21
  22 struct timerequest *EZCreateTimer(LONG Unit)
  23 {
  24         struct MsgPort          *TimePort;
  25         struct timerequest      *TimeRequest;
  26
  27         if(!(TimePort = (struct MsgPort *)CreatePort(NULL,0)))
  28                 return(NULL);
  29
  30         if(!(TimeRequest = (struct timerequest *)CreateExtIO(TimePort,sizeof(struct timerequest))))
  31         {
  32                 DeletePort(TimePort);
  33
  34                 return(NULL);
  35         }
  36
  37         if(OpenDevice(TIMERNAME,Unit,TimeRequest,0))
  38         {
  39                 DeleteExtIO(TimeRequest);
  40                 DeletePort(TimePort);
  41
  42                 return(NULL);
  43         }
  44
  45         return(TimeRequest);
  46 }