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npage: make flush synchronous

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cinap_lenrek 2011-09-10 07:14:29 +02:00
parent 5c34facdb3
commit 441a33970d
1 changed files with 4 additions and 1 deletions
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5
sys/src/cmd/npage.c
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@ -600,7 +600,9 @@ unloadpages(int age)
Page *p;
for(p = root->down; p; p = nextpage(p)){
if(!canqlock(p))
if(age == 0) /* synchronous flush */
qlock(p);
else if(!canqlock(p))
continue;
if((pagegen - p->gen) >= age)
unloadpage(p);
@ -930,6 +932,7 @@ main(int argc, char *argv[])
rotate = 0;
Unload:
viewgen++;
esetcursor(&reading);
unloadpages(0);
showpage(current);
continue;