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Current reaction of the nfsd worker threads to any signal is exit.

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This is not correct at least for the stop requests.  Check for stop
conditions and suspend threads if requested.

Reported and tested by:	pho
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
This commit is contained in:
Konstantin Belousov 2014-12-08 16:33:18 +00:00
parent 07a9368a48
commit f87c8878e6
1 changed files with 16 additions and 4 deletions
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20
sys/rpc/svc.c
View file

@ -1101,6 +1101,7 @@ svc_run_internal(SVCGROUP *grp, bool_t ismaster)
SVCXPRT *xprt;
enum xprt_stat stat;
struct svc_req *rqstp;
struct proc *p;
size_t sz;
int error;
@ -1183,11 +1184,22 @@ svc_run_internal(SVCGROUP *grp, bool_t ismaster)
> grp->sg_minthreads)
&& !st->st_xprt)
break;
} else if (error) {
} else if (error != 0) {
KASSERT(error == EINTR || error == ERESTART,
("non-signal error %d", error));
mtx_unlock(&grp->sg_lock);
svc_exit(pool);
mtx_lock(&grp->sg_lock);
break;
p = curproc;
PROC_LOCK(p);
if (P_SHOULDSTOP(p)) {
thread_suspend_check(0);
PROC_UNLOCK(p);
mtx_lock(&grp->sg_lock);
} else {
PROC_UNLOCK(p);
svc_exit(pool);
mtx_lock(&grp->sg_lock);
break;
}
}
continue;
}