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Cygwin: pty: Fix Ctrl-C behaviour in latest GDB. 

- In the latest GDB (11.2-1), Ctrl-C behaviour is broken a bit for
  non-cygwin inferior. For example, Ctrl-C on GDB prompt is not sent
  to GDB but to the inferior. This patch fixes the issue.
This commit is contained in:
Takashi Yano 2022-04-18 20:07:48 +09:00
parent 98b6f23d98
commit 0a67adb0f5
1 changed files with 3 additions and 1 deletions
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4
winsup/cygwin/fhandler_termios.cc
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@ -350,7 +350,8 @@ fhandler_termios::process_sigs (char c, tty* ttyp, fhandler_termios *fh)
cygwin apps started from non-cygwin shell. */ cygwin apps started from non-cygwin shell. */
if (c == '\003' && p && p->ctty == ttyp->ntty && p->pgid == pgid if (c == '\003' && p && p->ctty == ttyp->ntty && p->pgid == pgid
&& ((p->process_state & PID_NOTCYGWIN) && ((p->process_state & PID_NOTCYGWIN)
|| (p->exec_dwProcessId == p->dwProcessId) || ((p->exec_dwProcessId == p->dwProcessId)
&& ttyp->pty_input_state_eq (tty::to_nat))
|| !(p->process_state & PID_CYGPARENT))) || !(p->process_state & PID_CYGPARENT)))
{ {
/* Ctrl-C event will be sent only to the processes attaching /* Ctrl-C event will be sent only to the processes attaching
@ -406,6 +407,7 @@ fhandler_termios::process_sigs (char c, tty* ttyp, fhandler_termios *fh)
with_debugger = true; /* inferior is cygwin app */ with_debugger = true; /* inferior is cygwin app */
if (!(p->process_state & PID_NOTCYGWIN) if (!(p->process_state & PID_NOTCYGWIN)
&& (p->exec_dwProcessId == p->dwProcessId) /* Check marker */ && (p->exec_dwProcessId == p->dwProcessId) /* Check marker */
&& ttyp->pty_input_state_eq (tty::to_nat)
&& p->pid == pgid) && p->pid == pgid)
with_debugger_nat = true; /* inferior is non-cygwin app */ with_debugger_nat = true; /* inferior is non-cygwin app */
} }