Create a varnish lock class

src/vmod_tus.c

@@ -48,7 +48,13 @@
 #include "tus_blob.h"
 #include "tus_file_exp_setup.h"
 
+/* ============================================================
+ * vmod shared object globals
+ */
+
 static unsigned refcnt = 0;
+static struct vsc_seg  *vsc_seg_lck = NULL;
+struct VSC_lck *lck_fcore = NULL;
 
 /* ============================================================
  * vmod init/fini
@@ -62,6 +68,9 @@ tus_init(VRT_CTX, struct vmod_priv *priv)
 	if (refcnt++ > 0)
 		return (0);
 
+	AZ(vsc_seg_lck);
+	lck_fcore = Lck_CreateClass(&vsc_seg_lck, "tus.fcore");
+	AN(lck_fcore);
 	tus_file_init();
 	return (tus_chksum_init(ctx));
 }
@@ -75,6 +84,7 @@ tus_fini(VRT_CTX, struct vmod_priv *priv)
 	if (refcnt > 0)
 		return (0);
 
+	Lck_DestroyClass(&vsc_seg_lck);
 	return (tus_chksum_fini(ctx));
 }