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

devmouse: allow multiple writers on /dev/mousein

Browse source
This commit is contained in:
cinap_lenrek 2011-11-03 02:33:09 +01:00
parent 50493215dd
commit 30907f1d00
1 changed files with 0 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
sys/src/9/port/devmouse.c
View file

@ -44,7 +44,6 @@ struct Mouseinfo
Ref; Ref;
QLock; QLock;
int open; int open;
int inopen;
int acceleration; int acceleration;
int maxacc; int maxacc;
Mousestate queue[16]; /* circular buffer of click events */ Mousestate queue[16]; /* circular buffer of click events */
@ -191,13 +190,6 @@ mouseopen(Chan *c, int omode)
case Qmousein: case Qmousein:
if(!iseve()) if(!iseve())
error(Eperm); error(Eperm);
lock(&mouse);
if(mouse.inopen){
unlock(&mouse);
error(Einuse);
}
mouse.inopen = 1;
unlock(&mouse);
break; break;
default: default:
incref(&mouse); incref(&mouse);
@ -225,7 +217,6 @@ mouseclose(Chan *c)
if(c->qid.path == Qmouse) if(c->qid.path == Qmouse)
mouse.open = 0; mouse.open = 0;
else if(c->qid.path == Qmousein){ else if(c->qid.path == Qmousein){
mouse.inopen = 0;
unlock(&mouse); unlock(&mouse);
return; return;
} }