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authordavidxu <davidxu@FreeBSD.org>2004-12-25 12:49:35 +0000
committerdavidxu <davidxu@FreeBSD.org>2004-12-25 12:49:35 +0000
commit7b03c7ecc4225f3c91f0ca8226a08c5f578c1baa (patch)
tree362edeca7663f30de9ad99278f01a8f81a939df1 /sys/kern
parentaa3fdaa2efc844f93870359e85ba1f69d94ee3ad (diff)
downloadFreeBSD-src-7b03c7ecc4225f3c91f0ca8226a08c5f578c1baa.zip
FreeBSD-src-7b03c7ecc4225f3c91f0ca8226a08c5f578c1baa.tar.gz
1. introduce umtx_owner to get an owner of a umtx.
2. add const qualifier to umtx_timedlock and umtx_timedwait. 3. add missing blackets in umtx do_unlock_and_wait.
Diffstat (limited to 'sys/kern')
-rw-r--r--sys/kern/kern_umtx.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/sys/kern/kern_umtx.c b/sys/kern/kern_umtx.c
index 3bc3a78..e00b9a6 100644
--- a/sys/kern/kern_umtx.c
+++ b/sys/kern/kern_umtx.c
@@ -95,8 +95,6 @@ struct umtxq_chain {
static struct umtxq_chain umtxq_chains[UMTX_CHAINS];
static MALLOC_DEFINE(M_UMTX, "umtx", "UMTX queue memory");
-#define UMTX_CONTESTED LONG_MIN
-
static void umtxq_init_chains(void *);
static int umtxq_hash(struct umtx_key *key);
static struct mtx *umtxq_mtx(int chain);
@@ -682,7 +680,7 @@ do_unlock_and_wait(struct thread *td, struct umtx *umtx, long id, void *uaddr,
error = umtxq_sleep(td, &uq.uq_key,
td->td_priority | PCATCH,
"ucond", timo);
- if (!td->td_flags & TDF_UMTXQ)
+ if (!(td->td_flags & TDF_UMTXQ))
break;
umtxq_unlock(&uq.uq_key);
}
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