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authormav <mav@FreeBSD.org>2015-11-27 14:38:36 +0000
committermav <mav@FreeBSD.org>2015-11-27 14:38:36 +0000
commit7dbdf0a143fde2a518d5d710a14d47b8f1c80702 (patch)
tree4c7b6f7ad055db4c182bb626a082618d7399d4be /sys/rpc
parent11814c27fd3b1050198f173bafda29c66d0c79d3 (diff)
downloadFreeBSD-src-7dbdf0a143fde2a518d5d710a14d47b8f1c80702.zip
FreeBSD-src-7dbdf0a143fde2a518d5d710a14d47b8f1c80702.tar.gz
MFC r291061: Improve locking of sg_threadcount.
Diffstat (limited to 'sys/rpc')
-rw-r--r--sys/rpc/svc.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/rpc/svc.c b/sys/rpc/svc.c
index 228b2aa..f725d53 100644
--- a/sys/rpc/svc.c
+++ b/sys/rpc/svc.c
@@ -1303,7 +1303,9 @@ 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);
}
@@ -1336,12 +1338,12 @@ 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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