Author: mav
Date: Fri Nov 27 14:40:59 2015
New Revision: 291386
URL: https://svnweb.freebsd.org/changeset/base/291386
Log:
MFC r291061: Improve locking of sg_threadcount.
Modified:
stable/9/sys/rpc/svc.c
Directory Properties:
stable/9/ (props changed)
stable/9/sys/ (props changed)
Modified: stable/9/sys/rpc/svc.c
==============================================================================
--- stable/9/sys/rpc/svc.c Fri Nov 27 14:40:21 2015 (r291385)
+++ stable/9/sys/rpc/svc.c Fri Nov 27 14:40:59 2015 (r291386)
@@ -1292,7 +1292,9 @@ svc_new_thread(SVCGROUP *grp)
SVCPOOL *pool = grp->sg_pool;
struct thread *td;
+ mtx_lock(&grp->sg_lock);
grp->sg_threadcount++;
+ mtx_unlock(&grp->sg_lock);
kthread_add(svc_thread_start, grp, pool->sp_proc, &td, 0, 0,
"%s: service", pool->sp_name);
}
@@ -1325,12 +1327,12 @@ svc_run(SVCPOOL *pool)
}
/* Starting threads */
+ pool->sp_groups[0].sg_threadcount++;
for (g = 0; g < pool->sp_groupcount; g++) {
grp = &pool->sp_groups[g];
for (i = ((g == 0) ? 1 : 0); i < grp->sg_minthreads; i++)
svc_new_thread(grp);
}
- pool->sp_groups[0].sg_threadcount++;
svc_run_internal(&pool->sp_groups[0], TRUE);
/* Waiting for threads to stop. */
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