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Cygwin: console: Fix a bug on input when signalled.

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- This patch fixes the bug that Ctrl-C sometimes does not work as
  expected in Windows Terminal.

Addresses:
  https://cygwin.com/pipermail/cygwin/2021-November/249749.html
This commit is contained in:
Takashi Yano 2021-11-02 12:40:10 +09:00 committed by Corinna Vinschen
parent 045ce20177
commit 561767fc59
1 changed files with 4 additions and 0 deletions
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winsup/cygwin/fhandler_console.cc
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@ -1178,6 +1178,10 @@ out:
/* Discard processed recored. */ /* Discard processed recored. */
DWORD dummy; DWORD dummy;
DWORD discard_len = min (total_read, i + 1); DWORD discard_len = min (total_read, i + 1);
/* If input is signalled, do not discard input here because
tcflush() is already called from line_edit(). */
if (stat == input_signalled && !(ti->c_lflag & NOFLSH))
discard_len = 0;
if (discard_len) if (discard_len)
ReadConsoleInputW (get_handle (), input_rec, discard_len, &dummy); ReadConsoleInputW (get_handle (), input_rec, discard_len, &dummy);
return stat; return stat;