home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
C/C++ Users Group Library 1996 July
/
C-C++ Users Group Library July 1996.iso
/
listings
/
v_08_11
/
8n11110a
< prev
next >
Wrap
Text File
|
1990-09-18
|
724b
|
29 lines
struct timer *timer_next = NULL;/* timer we expect to run down next */
TIME time_timer_set; /* time when physical timer was set */
void timers_update(); /* see discussion below */
void
timer_undeclare(t)
struct timer *t;
{
disable_interrupts();
if (!t->inuse) return;
t->inuse = FALSE;
/* check if we were waiting on this one */
if (t == timer_next) {
timers_update(time_now - time_timer_set);
if (timer_next) {
start_physical_timer(timer_next->time);
time_timer_set = time_now;
}
}
enable_interrupts();
}
Listing 3