[newlib-cygwin] Cygwin: pty: Change the timing of clear screen.

[Ken Brown]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=43d7f33e2cab414a9f42a03b3347bc41e029dbbc

commit 43d7f33e2cab414a9f42a03b3347bc41e029dbbc
Author: Takashi Yano <takashi.yano@nifty.ne.jp>
Date:   Wed Oct 16 21:34:09 2019 +0900

    Cygwin: pty: Change the timing of clear screen.

Diff:
---
 winsup/cygwin/fhandler_tty.cc | 26 +++++++++++++-------------
 1 file changed, 13 insertions(+), 13 deletions(-)

diff --git a/winsup/cygwin/fhandler_tty.cc b/winsup/cygwin/fhandler_tty.cc
index dbb035f..da6119d 100644
--- a/winsup/cygwin/fhandler_tty.cc
+++ b/winsup/cygwin/fhandler_tty.cc
@@ -2716,6 +2716,19 @@ fhandler_pty_slave::fixup_after_fork (HANDLE parent)
   // fork_fixup (parent, inuse, "inuse");
   // fhandler_pty_common::fixup_after_fork (parent);
   report_tty_counts (this, "inherited", "");
+
+  if (get_ttyp ()->need_clear_screen)
+    {
+      const char *term = getenv ("TERM");
+      if (term && strcmp (term, "dumb") && !strstr (term, "emacs"))
+	{
+	  /* FIXME: Clearing sequence may not be "^[[H^[[J"
+	     depending on the terminal type. */
+	  DWORD n;
+	  WriteFile (get_output_handle_cyg (), "\033[H\033[J", 6, &n, NULL);
+	}
+      get_ttyp ()->need_clear_screen = false;
+    }
 }
 
 void
@@ -2759,19 +2772,6 @@ fhandler_pty_slave::fixup_after_exec ()
 	}
     }
 
-  if (get_ttyp ()->need_clear_screen)
-    {
-      const char *term = getenv ("TERM");
-      if (term && strcmp (term, "dumb") && !strstr (term, "emacs"))
-	{
-	  /* FIXME: Clearing sequence may not be "^[[H^[[J"
-	     depending on the terminal type. */
-	  DWORD n;
-	  WriteFile (get_output_handle_cyg (), "\033[H\033[J", 6, &n, NULL);
-	}
-      get_ttyp ()->need_clear_screen = false;
-    }
-
   /* Set locale */
   setup_locale ();