[newlib-cygwin] Cygwin: Add console fix regarding Ctrl-Z etc. to release notes.

[Corinna Vinschen <corinna@sourceware.org>]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=b07b5829f24830d1ad96ff925dde1b2338c079d9

commit b07b5829f24830d1ad96ff925dde1b2338c079d9
Author: Takashi Yano via Cygwin-patches <cygwin-patches@cygwin.com>
Date:   Thu Feb 18 18:02:42 2021 +0900

    Cygwin: Add console fix regarding Ctrl-Z etc. to release notes.

Diff:
---
 winsup/cygwin/release/3.2.0 | 5 +++++
 winsup/doc/new-features.xml | 8 ++++++++
 2 files changed, 13 insertions(+)

diff --git a/winsup/cygwin/release/3.2.0 b/winsup/cygwin/release/3.2.0
index d02d16863..53727d33b 100644
--- a/winsup/cygwin/release/3.2.0
+++ b/winsup/cygwin/release/3.2.0
@@ -9,6 +9,11 @@ What's new:
   thrd_detach, thrd_equal, thrd_exit, thrd_join, thrd_sleep, thrd_yield,
   tss_create, tss_delete, tss_get, tss_set.
 
+- In cygwin console, new thread which handles special keys/signals such
+  as Ctrl-Z (VSUSP), Ctrl-\ (VQUIT), Ctrl-S (VSTOP), Ctrl-Q (VSTART) and
+  SIGWINCH has been introduced. There have been a long standing issue
+  that these keys/signals are handled only when app calls read() or
+  select(). Now, these work even if app does not call read() or select().
 
 What changed:
 -------------
diff --git a/winsup/doc/new-features.xml b/winsup/doc/new-features.xml
index e5b576b55..db7f35168 100644
--- a/winsup/doc/new-features.xml
+++ b/winsup/doc/new-features.xml
@@ -20,6 +20,14 @@ thrd_detach, thrd_equal, thrd_exit, thrd_join, thrd_sleep, thrd_yield,
 tss_create, tss_delete, tss_get, tss_set.
 </para></listitem>
 
+<listitem><para>
+In cygwin console, new thread which handles special keys/signals such
+as Ctrl-Z (VSUSP), Ctrl-\ (VQUIT), Ctrl-S (VSTOP), Ctrl-Q (VSTART) and
+SIGWINCH has been introduced. There have been a long standing issue
+that these keys/signals are handled only when app calls read() or
+select(). Now, these work even if app does not call read() or select().
+</para></listitem>
+
 </itemizedlist>
 
 </sect2>