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From: Takashi Yano <tyan0@sourceware.org> To: cygwin-cvs@sourceware.org Subject: [newlib-cygwin] Cygwin: pty: Fix Ctrl-C handling for non-cygwin apps in background. Date: Sun, 12 Dec 2021 13:09:04 +0000 (GMT) [thread overview] Message-ID: <20211212130904.41B5E3857C76@sourceware.org> (raw) https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=e91ea41ef1be3d3e52c451c7bd691e0c2b7de910 commit e91ea41ef1be3d3e52c451c7bd691e0c2b7de910 Author: Takashi Yano <takashi.yano@nifty.ne.jp> Date: Sun Dec 12 21:20:47 2021 +0900 Cygwin: pty: Fix Ctrl-C handling for non-cygwin apps in background. - With pseudo console enabled, if the non-cygwin app is started in the background and put it into the foreground, the process cannot be stopped by Ctrl-C. This patch fixes the issue. Diff: --- winsup/cygwin/fhandler_tty.cc | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/winsup/cygwin/fhandler_tty.cc b/winsup/cygwin/fhandler_tty.cc index 4f135839d..37e27f34a 100644 --- a/winsup/cygwin/fhandler_tty.cc +++ b/winsup/cygwin/fhandler_tty.cc @@ -2249,9 +2249,12 @@ fhandler_pty_master::write (const void *ptr, size_t len) &mbp); } - if ((ti.c_lflag & ISIG) && !(ti.c_lflag & NOFLSH) - && memchr (buf, '\003', nlen)) - get_ttyp ()->discard_input = true; + if ((ti.c_lflag & ISIG) && memchr (buf, '\003', nlen)) + { + get_ttyp ()->kill_pgrp (SIGINT); + if (!(ti.c_lflag & NOFLSH)) + get_ttyp ()->discard_input = true; + } DWORD n; WriteFile (to_slave_nat, buf, nlen, &n, NULL); ReleaseMutex (input_mutex);
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