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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 bool attached = !!fhandler_console::get_console_process_id
(ptys->getHelperProcessId (), true); (ptys->getHelperProcessId (), true);
if (!attached) if (attached)
break;
else
{ {
/* Not attached to pseudo console in fork() or spawn() /* Not attached to pseudo console in fork() or spawn()
by some reason. This happens if the executable is by some reason. This happens if the executable is
a windows GUI binary, such as mintty. */ a windows GUI binary, such as mintty. */
FreeConsole (); FreeConsole ();
if (AttachConsole (ptys->getHelperProcessId ())) if (AttachConsole (ptys->getHelperProcessId ()))
break; {
ptys->fixup_after_attach (false);
break;
}
} }
} }
} }