2 files changed, 29 insertions, 18 deletions

diff --git a/src/libknot/control/control.c b/src/libknot/control/control.c
index 671896f..8cddd5d 100644
--- a/src/libknot/control/control.c
+++ b/src/libknot/control/control.c
@@ -36,9 +36,6 @@
 #define CTL_BUFF_SIZE		(256 * 1024)
 #endif
 
-/*! Listen backlog size. */
-#define DEFAULT_LISTEN_BACKLOG		5
-
 /*! Default socket operations timeout in milliseconds. */
 #define DEFAULT_TIMEOUT		(30 * 1000)
 
@@ -166,6 +163,18 @@ knot_ctl_t* knot_ctl_alloc(void)
 }
 
 _public_
+knot_ctl_t* knot_ctl_clone(knot_ctl_t *ctx)
+{
+	knot_ctl_t *res = knot_ctl_alloc();
+	if (res != NULL) {
+		res->timeout = ctx->timeout;
+		res->sock = ctx->sock;
+		ctx->sock = -1;
+	}
+	return res;
+}
+
+_public_
 void knot_ctl_free(knot_ctl_t *ctx)
 {
 	if (ctx == NULL) {
@@ -194,13 +203,7 @@ void knot_ctl_set_timeout(knot_ctl_t *ctx, int timeout_ms)
 }
 
 _public_
-int knot_ctl_bind(knot_ctl_t *ctx, const char *path)
-{
-	return knot_ctl_bind2(ctx, path, DEFAULT_LISTEN_BACKLOG);
-}
-
-_public_
-int knot_ctl_bind2(knot_ctl_t *ctx, const char *path, unsigned backlog)
+int knot_ctl_bind(knot_ctl_t *ctx, const char *path, unsigned backlog)
 {
 	if (ctx == NULL || path == NULL) {
 		return KNOT_EINVAL;
diff --git a/src/libknot/control/control.h b/src/libknot/control/control.h
index 8ab1e10..f110e3f 100644
--- a/src/libknot/control/control.h
+++ b/src/libknot/control/control.h
@@ -65,6 +65,18 @@ typedef struct knot_ctl knot_ctl_t;
 knot_ctl_t* knot_ctl_alloc(void);
 
 /*!
+ * \brief Allocates a control context based on an existing one.
+ *
+ * \param[in,out] ctx  Original control context.
+ *
+ * \note The listen_sock is kept at the original, the current sock is taken
+ *       by the clone and RESET in the original!
+ *
+ * \return Control context or NULL.
+ */
+knot_ctl_t* knot_ctl_clone(knot_ctl_t *ctx);
+
+/*!
  * Deallocates a control context.
  *
  * \param[in] ctx  Control context.
@@ -86,17 +98,13 @@ void knot_ctl_set_timeout(knot_ctl_t *ctx, int timeout_ms);
  *
  * \note Server operation.
  *
- * \param[in] ctx   Control context.
- * \param[in] path  Control UNIX socket path.
+ * \param[in] ctx      Control context.
+ * \param[in] path     Control UNIX socket path.
+ * \param[in] backlog  Socket listen backlog size.
  *
  * \return Error code, KNOT_EOK if successful.
  */
-int knot_ctl_bind(knot_ctl_t *ctx, const char *path);
-
-/*!
- * Same as knot_ctl_bind() with socket backlog specification.
- */
-int knot_ctl_bind2(knot_ctl_t *ctx, const char *path, unsigned backlog);
+int knot_ctl_bind(knot_ctl_t *ctx, const char *path, unsigned backlog);
 
 /*!
  * Unbinds a control socket.