xfnw/plan9fox
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

kernel: closechanq error

Browse source 
catch potential interrupt error from kproc(). this can happen when
we run out of processes, then newproc() will call rsrcwait()
which does tsleep(). if the process gets a note, this might
raise a interrupt error.
This commit is contained in:
cinap_lenrek 2013-05-27 01:09:34 +02:00
parent 24b908be8a
commit c4153b7755
1 changed files with 4 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
sys/src/9/port/chan.c
View file

@ -536,7 +536,10 @@ closechanq(Chan *c)
if(up != 0 && palloc.Lock.p != up && canqlock(&clunkq.q)){
c = up->dot;
up->dot = nil;
if(!waserror()){
kproc("closeproc", closeproc, nil);
poperror();
}
up->dot = c;
}else
wakeup(&clunkq.r);