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libdraw: fix spinning event loop (David Bulkow)

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This commit is contained in:
Russ Cox 2008-01-10 21:38:42 -05:00
parent 27589754e4
commit 0a98a883d5
1 changed files with 6 additions and 6 deletions
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12
src/libdraw/event.c
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@ -159,7 +159,7 @@ etimer(ulong key, int n)
if(n <= 0)
n = 1000;
eslave[Stimer].n = n;
eslave[Stimer].nexttick = nsec()+n*1000LL;
eslave[Stimer].nexttick = nsec()+n*1000000LL;
return 1<<Stimer;
}
@ -295,12 +295,12 @@ extract(int canblock)
}
}else if(i == Stimer){
t0 = nsec();
if(t0-eslave[i].nexttick <= 0){
if(t0 >= eslave[i].nexttick){
tv.tv_sec = 0;
tv.tv_usec = 0;
}else{
tv.tv_sec = (t0-eslave[i].nexttick)/1000000000;
tv.tv_usec = (t0-eslave[i].nexttick)%1000000000 / 1000;
tv.tv_sec = (eslave[i].nexttick-t0)/1000000000;
tv.tv_usec = (eslave[i].nexttick-t0)%1000000000 / 1000;
}
timeout = &tv;
}else{
@ -345,8 +345,8 @@ extract(int canblock)
}
}else if(i == Stimer){
t0 = nsec();
while(t0-eslave[i].nexttick > 0){
eslave[i].nexttick += eslave[i].n*1000LL;
while(t0 > eslave[i].nexttick){
eslave[i].nexttick += eslave[i].n*1000000LL;
eslave[i].head = (Ebuf*)1;
n++;
}