X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lib%2Fofp-msgs.c;h=d136f73d47cefd457a249d2c0a21d360d3178db3;hb=bd3ad2c3508aaf7283f3ee041ecd3e5108471b21;hp=8bb1754f6015fb20571807e0cce6676792df46e2;hpb=d0c79f7fe0954b5d607e4190d26bb6b5ba75ceaf;p=sliver-openvswitch.git

diff --git a/lib/ofp-msgs.c b/lib/ofp-msgs.c
index 8bb1754f6..d136f73d4 100644
--- a/lib/ofp-msgs.c
+++ b/lib/ofp-msgs.c
@@ -110,14 +110,10 @@ static enum ofperr ofpraw_from_ofphdrs(enum ofpraw *, const struct ofphdrs *);
 static ovs_be32
 alloc_xid(void)
 {
-    static uint32_t next_xid = 1;
-    static pthread_mutex_t mutex = PTHREAD_ADAPTIVE_MUTEX_INITIALIZER;
+    static atomic_uint32_t next_xid = ATOMIC_VAR_INIT(1);
     uint32_t xid;
 
-    xpthread_mutex_lock(&mutex);
-    xid = next_xid++;
-    xpthread_mutex_unlock(&mutex);
-
+    atomic_add(&next_xid, 1, &xid);
     return htonl(xid);
 }