From 3db45ca3cc7695a5ee277df5098f4c9bbdb65bd9 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 17 Jul 2005 04:47:38 +0000
Subject: * ext/io/wait/extconf.rb, ext/io/wait/wait.c: Win32 platforms
 support.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@8783 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/io/wait/extconf.rb |  7 ++++++-
 ext/io/wait/wait.c     | 12 ++++++++++++
 2 files changed, 18 insertions(+), 1 deletion(-)

(limited to 'ext/io')

diff --git a/ext/io/wait/extconf.rb b/ext/io/wait/extconf.rb
index ea7dc9f6cf..1352ef202e 100644
--- a/ext/io/wait/extconf.rb
+++ b/ext/io/wait/extconf.rb
@@ -3,10 +3,15 @@ target = "io/wait"
 
 unless macro_defined?("DOSISH", "#include <ruby.h>")
   fionread = %w[sys/ioctl.h sys/filio.h].find do |h|
-    checking_for("FIONREAD") {macro_defined?("FIONREAD", "#include <#{h}>\n")}
+    checking_for("FIONREAD") {have_macro("FIONREAD", h)}
   end
   if fionread
     $defs << "-DFIONREAD_HEADER=\"<#{fionread}>\""
     create_makefile(target)
   end
+else
+  if have_func("rb_w32_ioctlsocket", "ruby.h")
+    have_func("rb_w32_is_socket", "ruby.h")
+    create_makefile(target)
+  end
 end
diff --git a/ext/io/wait/wait.c b/ext/io/wait/wait.c
index fcb3bcfe42..25494c0f28 100644
--- a/ext/io/wait/wait.c
+++ b/ext/io/wait/wait.c
@@ -15,7 +15,17 @@
 #include "rubyio.h"
 
 #include <sys/types.h>
+#if defined(FIONREAD_HEADER)
 #include FIONREAD_HEADER
+#elif defined(HAVE_RB_W32_IOCTLSOCKET)
+#define ioctl ioctlsocket
+#endif
+
+#ifdef HAVE_RB_W32_IS_SOCKET
+#define FIONREAD_POSSIBLE_P(fd) rb_w32_is_socket(fptr->fd)
+#else
+#define FIONREAD_POSSIBLE_P(fd) Qtrue
+#endif
 
 static VALUE io_ready_p _((VALUE io));
 static VALUE io_wait _((int argc, VALUE *argv, VALUE io));
@@ -45,6 +55,7 @@ io_ready_p(io)
     GetOpenFile(io, fptr);
     rb_io_check_readable(fptr);
     if (rb_io_read_pending(fptr)) return Qtrue;
+    if (!FIONREAD_POSSIBLE_P(fptr->fd)) return Qfalse;
     if (ioctl(fptr->fd, FIONREAD, &n)) rb_sys_fail(0);
     if (n > 0) return INT2NUM(n);
     return Qnil;
@@ -98,6 +109,7 @@ io_wait(argc, argv, io)
     }
 
     if (rb_io_read_pending(fptr)) return Qtrue;
+    if (!FIONREAD_POSSIBLE_P(fptr->fd)) return Qfalse;
     fd = fptr->fd;
     rb_fd_init(&arg.fds);
     rb_fd_set(fd, &arg.fds);
-- 
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