X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=backend.c;h=f6e75c49f0e69aa380491ecdccc2ddb9739b3116;hb=2b59fb6b9575ad038bae89a48063084c8b3243a9;hp=d68df79eebe8977dc56ab0bce829ddb809d045c5;hpb=5165b97c9e70d4f93ea9067be1f931d0dd5750a8;p=xboard.git

diff --git a/backend.c b/backend.c
index d68df79..f6e75c4 100644
--- a/backend.c
+++ b/backend.c
@@ -57,6 +57,9 @@
 
 #define DoSleep( n ) if( (n) != 0 ) Sleep( (n) );
 
+int flock(int f, int code);
+#define LOCK_EX 2
+
 #else
 
 #define DoSleep( n ) if( (n) >= 0) sleep(n)