fix build in various fpc versions on linux

[lcore.git] / lsocket.pas

diff --git a/lsocket.pas b/lsocket.pas
index f7d40e39679925f4c9f13493bd57eb5121e435c1..c099cf57e9ea8ea8916cabd9bd9cd1ffad86bbf5 100755 (executable)
--- a/lsocket.pas
+++ b/lsocket.pas
@@ -369,7 +369,7 @@ end;
 \r
 procedure tlsocket.listen;\r
 var\r
-  yes:longint;\r
+  yes,no:longint;\r
   socktype:integer;\r
   biniptemp:tbinip;\r
   origaddr:string;\r
@@ -408,10 +408,14 @@ begin
   try\r
     yes := $01010101;  {Copied this from existing code. Value is empiric,\r
                     but works. (yes=true<>0) }\r
+    no := 0;\r
     {$ifndef win32}\r
       if SetSocketOptions(fdhandlein, SOL_SOCKET, SO_REUSEADDR,yes,sizeof(yes))=-1 then begin\r
         raise ESocketException.create('unable to set socket options');\r
       end;\r
+      if SetSocketOptions(fdhandlein, IPPROTO_IPV6,IPV6_V6ONLY,no,sizeof(no))=-1 then begin\r
+        raise ESocketException.create('unable to set socket options');\r
+      end;\r
     {$endif}\r
     localaddr := addr;\r
     localport := port;\r