nobu	2015-05-04 03:11:25 +0900 (Mon, 04 May 2015)

  New Revision: 50424

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=50424

  Log:
    console.c: IO#beep
    
    * ext/io/console/console.c (console_beep): new method IO#beep.
      [EXPERIMENTAL]

  Modified files:
    trunk/ext/io/console/console.c
Index: ext/io/console/console.c
===================================================================
--- ext/io/console/console.c	(revision 50423)
+++ ext/io/console/console.c	(revision 50424)
@@ -639,6 +639,24 @@ console_ioflush(VALUE io) https://github.com/ruby/ruby/blob/trunk/ext/io/console/console.c#L639
     return io;
 }
 
+static VALUE
+console_beep(VALUE io)
+{
+    rb_io_t *fptr;
+    int fd;
+
+    GetOpenFile(io, fptr);
+    fd = GetWriteFD(fptr);
+#ifdef _WIN32
+    (void)fd;
+    MessageBeep(0);
+#else
+    if (write(fd, "\a", 1) < 0)
+	rb_sys_fail(0);
+#endif
+    return io;
+}
+
 /*
  * call-seq:
  *   IO.console      -> #<File:/dev/tty>
@@ -782,6 +800,7 @@ InitVM_console(void) https://github.com/ruby/ruby/blob/trunk/ext/io/console/console.c#L800
     rb_define_method(rb_cIO, "iflush", console_iflush, 0);
     rb_define_method(rb_cIO, "oflush", console_oflush, 0);
     rb_define_method(rb_cIO, "ioflush", console_ioflush, 0);
+    rb_define_method(rb_cIO, "beep", console_beep, 0);
     rb_define_singleton_method(rb_cIO, "console", console_dev, -1);
     {
 	VALUE mReadable = rb_define_module_under(rb_cIO, "generic_readable");

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