add unitfork.pas to uses clause of test app so it's compilation gets checked

[lcore.git] / lcore.pas

diff --git a/lcore.pas b/lcore.pas
index 99fbe983c7b8f46831b6664f2b15f09639c0c973..7db6b3ef2e5e50b5a54043ee0989a3fe7b10eace 100755 (executable)
--- a/lcore.pas
+++ b/lcore.pas
@@ -35,8 +35,13 @@ interface
 \r
 \r
   const\r
-    {for IPv6 it is 1440: 1500 - IP header (40) - TCP/UDP header (20). for ipv4 it is 1460}\r
-    packetbasesize = 1440;\r
+    {how this number is made up:\r
+    - ethernet: MTU 1500\r
+    - be safe for either "ethernet v1" or "PPPoE", both take 8 bytes\r
+    - IPv6 header: 40 bytes (IPv4 is 20)\r
+    - TCP/UDP header: 20 bytes\r
+    }\r
+    packetbasesize = 1432;\r
     receivebufsize=packetbasesize*8;\r
 \r
   var\r
@@ -568,7 +573,16 @@ begin
           internalclose(0);\r
 \r
         end else begin\r
-          internalclose({$ifdef win32}getlasterror{$else}linuxerror{$endif});\r
+          {$ifdef win32}\r
+          if getlasterror=WSAEWOULDBLOCK then begin\r
+            //the asynchronous nature of windows messages means we sometimes\r
+            //get here with the buffer full\r
+            //so do nothing in that case\r
+          end else\r
+          {$endif}\r
+          begin\r
+            internalclose({$ifdef win32}getlasterror{$else}linuxerror{$endif});\r
+          end  \r
         end;\r
       end;\r
 \r