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Cygwin: pty: Fix potential state mismatch regarding pseudo console.

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- PTY with pseudo console support sitll has problem which potentially
  cause state mismatch between state variable and real console state.
  This patch fixes this issue.
This commit is contained in:
Takashi Yano 2019-09-05 19:44:41 +09:00 committed by Corinna Vinschen
parent 915fcd0ae8
commit b7e4294200
1 changed files with 7 additions and 2 deletions
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9
winsup/cygwin/dtable.cc
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@ -159,14 +159,19 @@ dtable::stdio_init ()
{
bool attached = !!fhandler_console::get_console_process_id
(ptys->getHelperProcessId (), true);
if (!attached)
if (attached)
break;
else
{
/* Not attached to pseudo console in fork() or spawn()
by some reason. This happens if the executable is
a windows GUI binary, such as mintty. */
FreeConsole ();
if (AttachConsole (ptys->getHelperProcessId ()))
break;
{
ptys->fixup_after_attach (false);
break;
}
}
}
}