Open 2.0 development tree

[qemu.git] / slirp / sbuf.c

diff --git a/slirp/sbuf.c b/slirp/sbuf.c
index 5375414f26d7d85f6aa0acde5bcb2120ce817f75..08ec2b4f44d0db2d0894cc6176a0923b5424a8ad 100644 (file)
--- a/slirp/sbuf.c
+++ b/slirp/sbuf.c
@@ -6,17 +6,10 @@
  */
 
 #include <slirp.h>
+#include <qemu/main-loop.h>
 
 static void sbappendsb(struct sbuf *sb, struct mbuf *m);
 
-/* Done as a macro in socket.h */
-/* int
- * sbspace(struct sockbuff *sb)
- * {
- *     return SB_DATALEN - sb->sb_cc;
- * }
- */
-
 void
 sbfree(struct sbuf *sb)
 {
@@ -26,6 +19,8 @@ sbfree(struct sbuf *sb)
 void
 sbdrop(struct sbuf *sb, int num)
 {
+    int limit = sb->sb_datalen / 2;
+
        /*
         * We can only drop how much we have
         * This should never succeed
@@ -37,6 +32,9 @@ sbdrop(struct sbuf *sb, int num)
        if(sb->sb_rptr >= sb->sb_data + sb->sb_datalen)
                sb->sb_rptr -= sb->sb_datalen;
 
+    if (sb->sb_cc < limit && sb->sb_cc + num >= limit) {
+        qemu_notify_event();
+    }
 }
 
 void