70 lines
944 B
C
70 lines
944 B
C
/*
|
|
inet/generic/event.c
|
|
|
|
Created: April 1995 by Philip Homburg <philip@f-mnx.phicoh.com>
|
|
|
|
Implementation of an event queue.
|
|
|
|
Copyright 1995 Philip Homburg
|
|
*/
|
|
|
|
#include "inet.h"
|
|
#include "assert.h"
|
|
#include "event.h"
|
|
|
|
THIS_FILE
|
|
|
|
event_t *ev_head;
|
|
static event_t *ev_tail;
|
|
|
|
void ev_init(ev)
|
|
event_t *ev;
|
|
{
|
|
ev->ev_func= 0;
|
|
ev->ev_next= NULL;
|
|
}
|
|
|
|
void ev_enqueue(ev, func, ev_arg)
|
|
event_t *ev;
|
|
ev_func_t func;
|
|
ev_arg_t ev_arg;
|
|
{
|
|
assert(ev->ev_func == 0);
|
|
ev->ev_func= func;
|
|
ev->ev_arg= ev_arg;
|
|
ev->ev_next= NULL;
|
|
if (ev_head == NULL)
|
|
ev_head= ev;
|
|
else
|
|
ev_tail->ev_next= ev;
|
|
ev_tail= ev;
|
|
}
|
|
|
|
void ev_process()
|
|
{
|
|
ev_func_t func;
|
|
event_t *curr;
|
|
|
|
while (ev_head)
|
|
{
|
|
curr= ev_head;
|
|
ev_head= curr->ev_next;
|
|
func= curr->ev_func;
|
|
curr->ev_func= 0;
|
|
|
|
assert(func != 0);
|
|
func(curr, curr->ev_arg);
|
|
}
|
|
}
|
|
|
|
int ev_in_queue(ev)
|
|
event_t *ev;
|
|
{
|
|
return ev->ev_func != 0;
|
|
}
|
|
|
|
|
|
/*
|
|
* $PchId: event.c,v 1.6 2004/08/03 16:23:32 philip Exp $
|
|
*/
|