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devshr: unmount service on #σc/share/mount removal

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when the control mountpoint side gets removed, close
mount channel immediately. this is usefull for implementing
automatic cleanup with ORCLOSE create mode.
This commit is contained in:
cinap_lenrek 2020-03-08 18:23:07 +01:00
parent fe39388250
commit f99b9cae6a
1 changed files with 6 additions and 0 deletions
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6
sys/src/9/port/devshr.c
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@ -554,6 +554,7 @@ shrremove(Chan *c)
Sch *sch;
Mpt *mpt;
Mhead *h;
Chan *bc;
sch = tosch(c);
if(waserror()){
@ -593,6 +594,7 @@ shrremove(Chan *c)
qunlock(&shrslk);
break;
case Qcmpt:
bc = nil;
mpt = sch->mpt;
m = &mpt->m;
h = &shr->umh;
@ -601,10 +603,14 @@ shrremove(Chan *c)
if(*ml == m){
*ml = m->next;
m->next = nil;
bc = m->to;
m->to = nil;
putmpt(mpt);
break;
}
wunlock(&h->lock);
if(bc != nil)
cclose(bc);
break;
}
poperror();