diff options
Diffstat (limited to 'EmulatorPkg/Unix/Host/EmuThunk.c')
| -rw-r--r-- | EmulatorPkg/Unix/Host/EmuThunk.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/EmulatorPkg/Unix/Host/EmuThunk.c b/EmulatorPkg/Unix/Host/EmuThunk.c index 6422f05..ee0843e 100644 --- a/EmulatorPkg/Unix/Host/EmuThunk.c +++ b/EmulatorPkg/Unix/Host/EmuThunk.c @@ -9,7 +9,7 @@ it may cause the table to be initialized with the members at the end being
set to zero. This is bad as jumping to zero will crash.
-Copyright (c) 2004 - 2019, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2004 - 2023, Intel Corporation. All rights reserved.<BR>
Portions copyright (c) 2008 - 2011, Apple Inc. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
@@ -34,6 +34,9 @@ UINTN settimer_callback = 0; BOOLEAN gEmulatorInterruptEnabled = FALSE;
+STATIC BOOLEAN mEmulatorStdInConfigured = FALSE;
+STATIC struct termios mOldTty;
+
UINTN
SecWriteStdErr (
IN UINT8 *Buffer,
@@ -58,8 +61,16 @@ SecConfigStdIn ( // Need to turn off line buffering, ECHO, and make it unbuffered.
//
tcgetattr (STDIN_FILENO, &tty);
+ if (!mEmulatorStdInConfigured) {
+ //
+ // Save the original state of the TTY so it can be restored on exit
+ //
+ CopyMem (&mOldTty, &tty, sizeof (struct termios));
+ }
+
tty.c_lflag &= ~(ICANON | ECHO);
tcsetattr (STDIN_FILENO, TCSANOW, &tty);
+ mEmulatorStdInConfigured = TRUE;
// setvbuf (STDIN_FILENO, NULL, _IONBF, 0);
@@ -338,6 +349,11 @@ SecExit ( UINTN Status
)
{
+ // Reset the TTY back to its original state
+ if (mEmulatorStdInConfigured) {
+ tcsetattr (STDIN_FILENO, TCSANOW, &mOldTty);
+ }
+
exit (Status);
}
|