diff mbox

[V4,RESEND,08/22] net: introduce NetClientState destructor

Message ID 1359704396-55327-9-git-send-email-jasowang@redhat.com
State New
Headers show

Commit Message

Jason Wang Feb. 1, 2013, 7:39 a.m. UTC 
To allow allocating an array of NetClientState and free it once, this patch
introduces destructor of NetClientState. Which could do type specific free,
which could be used by multiqueue to free the array once.

Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
 include/net/net.h |    2 ++
 net/net.c         |   17 +++++++++++++----
 2 files changed, 15 insertions(+), 4 deletions(-)
diff mbox

Patch

diff --git a/include/net/net.h b/include/net/net.h
index 995df5c..22adc99 100644
--- a/include/net/net.h
+++ b/include/net/net.h
@@ -35,6 +35,7 @@  typedef ssize_t (NetReceive)(NetClientState *, const uint8_t *, size_t);
 typedef ssize_t (NetReceiveIOV)(NetClientState *, const struct iovec *, int);
 typedef void (NetCleanup) (NetClientState *);
 typedef void (LinkStatusChanged)(NetClientState *);
+typedef void (NetClientDestructor)(NetClientState *);
 
 typedef struct NetClientInfo {
     NetClientOptionsKind type;
@@ -58,6 +59,7 @@  struct NetClientState {
     char *name;
     char info_str[256];
     unsigned receive_disabled : 1;
+    NetClientDestructor *destructor;
 };
 
 typedef struct NICState {
diff --git a/net/net.c b/net/net.c
index 3a5bdf6..98a1934 100644
--- a/net/net.c
+++ b/net/net.c
@@ -182,11 +182,17 @@  static char *assign_name(NetClientState *nc1, const char *model)
     return g_strdup(buf);
 }
 
+static void qemu_net_client_destructor(NetClientState *nc)
+{
+    g_free(nc);
+}
+
 static void qemu_net_client_setup(NetClientState *nc,
                                   NetClientInfo *info,
                                   NetClientState *peer,
                                   const char *model,
-                                  const char *name)
+                                  const char *name,
+                                  NetClientDestructor *destructor)
 {
     nc->info = info;
     nc->model = g_strdup(model);
@@ -204,7 +210,7 @@  static void qemu_net_client_setup(NetClientState *nc,
     QTAILQ_INSERT_TAIL(&net_clients, nc, next);
 
     nc->send_queue = qemu_new_net_queue(nc);
-
+    nc->destructor = destructor;
 }
 
 NetClientState *qemu_new_net_client(NetClientInfo *info,
@@ -217,7 +223,8 @@  NetClientState *qemu_new_net_client(NetClientInfo *info,
     assert(info->size >= sizeof(NetClientState));
 
     nc = g_malloc0(info->size);
-    qemu_net_client_setup(nc, info, peer, model, name);
+    qemu_net_client_setup(nc, info, peer, model, name,
+                          qemu_net_client_destructor);
 
     return nc;
 }
@@ -279,7 +286,9 @@  static void qemu_free_net_client(NetClientState *nc)
     }
     g_free(nc->name);
     g_free(nc->model);
-    g_free(nc);
+    if (nc->destructor) {
+        nc->destructor(nc);
+    }
 }
 
 void qemu_del_net_client(NetClientState *nc)