[win32] support ioctl() on sockets (does what ioctlsocket() does) to make

non-blocking IO on sockets possible

p4raw-id: //depot/win32/perl@387

1 files changed, 1 insertions, 0 deletions

diff --git a/dosish.h b/dosish.h
index c71ecd5e22..5704c78cb2 100644
--- a/dosish.h
+++ b/dosish.h
@@ -46,6 +46,7 @@
 #define TMPPATH "plXXXXXX"
 
 #ifdef WIN32
+#define HAS_IOCTL
 #define HAS_UTIME
 #define HAS_KILL
 #endif