Signed-off-by: Ben Pfaff <[email protected]>
---
lib/ofp-msgs.c | 9 ++++++++-
1 files changed, 8 insertions(+), 1 deletions(-)
diff --git a/lib/ofp-msgs.c b/lib/ofp-msgs.c
index 5e043d2..8bb1754 100644
--- a/lib/ofp-msgs.c
+++ b/lib/ofp-msgs.c
@@ -111,7 +111,14 @@ static ovs_be32
alloc_xid(void)
{
static uint32_t next_xid = 1;
- return htonl(next_xid++);
+ static pthread_mutex_t mutex = PTHREAD_ADAPTIVE_MUTEX_INITIALIZER;
+ uint32_t xid;
+
+ xpthread_mutex_lock(&mutex);
+ xid = next_xid++;
+ xpthread_mutex_unlock(&mutex);
+
+ return htonl(xid);
}
static uint32_t
--
1.7.2.5
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