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terminal-util: add debug logging for when TTY ioctls fail

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This commit is contained in:
Lennart Poettering
2021-05-12 13:45:01 +02:00
parent 871a3a33bb
commit 7eaee90286
1 changed files with 6 additions and 3 deletions
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9
src/basic/terminal-util.c
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@@ -245,17 +245,20 @@ int reset_terminal_fd(int fd, bool switch_to_text) {
* interfere with that. */
/* Disable exclusive mode, just in case */
(void) ioctl(fd, TIOCNXCL);
if (ioctl(fd, TIOCNXCL) < 0)
log_debug_errno(errno, "TIOCNXCL ioctl failed on TTY, ignoring: %m");
/* Switch to text mode */
if (switch_to_text)
(void) ioctl(fd, KDSETMODE, KD_TEXT);
if (ioctl(fd, KDSETMODE, KD_TEXT) < 0)
log_debug_errno(errno, "KDSETMODE ioctl for switching to text mode failed on TTY, ignoring: %m");
/* Set default keyboard mode */
(void) vt_reset_keyboard(fd);
if (tcgetattr(fd, &termios) < 0) {
r = -errno;
r = log_debug_errno(errno, "Failed to get terminal parameters: %m");
goto finish;
}