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* [newlib-cygwin/cygwin-3_4-branch] Cygwin: pty: Additional fix for transferring input at exit.
@ 2023-06-02 1:33 Takashi Yano
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From: Takashi Yano @ 2023-06-02 1:33 UTC (permalink / raw)
To: cygwin-cvs
https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=b553457f68bf8a34f3e9f3266d361e9a99530017
commit b553457f68bf8a34f3e9f3266d361e9a99530017
Author: Takashi Yano <takashi.yano@nifty.ne.jp>
Date: Fri Jun 2 10:19:18 2023 +0900
Cygwin: pty: Additional fix for transferring input at exit.
The commit 3456e8b7db5b does not fix transferring input at exit
appropriately. If the more than one non-cygwin apps are executed
simultaneously and one of them is terminated, the pty master failed
to send input to the other non-cygwin apps. This patch fixes that.
Fixes: 3456e8b7db5b ("Cygwin: pty: Fix transferring type-ahead input between input pipes.")
Signed-off-by: Takashi Yano <takashi.yano@nifty.ne.jp>
Diff:
---
winsup/cygwin/fhandler/pty.cc | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/winsup/cygwin/fhandler/pty.cc b/winsup/cygwin/fhandler/pty.cc
index 9ca3b64b6..bb34d1006 100644
--- a/winsup/cygwin/fhandler/pty.cc
+++ b/winsup/cygwin/fhandler/pty.cc
@@ -4128,7 +4128,14 @@ fhandler_pty_slave::cleanup_for_non_cygwin_app (handle_set_t *p, tty *ttyp,
DWORD force_switch_to)
{
ttyp->wait_fwd ();
- if ((ttyp->pcon_activated || stdin_is_ptys)
+ DWORD current_pid = myself->exec_dwProcessId ?: myself->dwProcessId;
+ DWORD switch_to = force_switch_to;
+ WaitForSingleObject (p->pipe_sw_mutex, INFINITE);
+ if (!switch_to)
+ switch_to = get_console_process_id (current_pid, false, true, true);
+ if (!switch_to)
+ switch_to = get_console_process_id (current_pid, false, true, false);
+ if ((!switch_to && (ttyp->pcon_activated || stdin_is_ptys))
&& ttyp->pty_input_state_eq (tty::to_nat))
{
WaitForSingleObject (p->input_mutex, mutex_timeout);
@@ -4138,7 +4145,6 @@ fhandler_pty_slave::cleanup_for_non_cygwin_app (handle_set_t *p, tty *ttyp,
release_attach_mutex ();
ReleaseMutex (p->input_mutex);
}
- WaitForSingleObject (p->pipe_sw_mutex, INFINITE);
if (ttyp->pcon_activated)
close_pseudoconsole (ttyp, force_switch_to);
else
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2023-06-02 1:33 [newlib-cygwin/cygwin-3_4-branch] Cygwin: pty: Additional fix for transferring input at exit Takashi Yano
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