mirrors/emacs
1
Fork 0
mirror of git://git.sv.gnu.org/emacs.git synced 2025-12-26 07:11:34 -08:00
Code Issues Projects Releases Wiki Activity

(old_tty_valid): New variable.

Browse source 
(init_sys_modes): Set old_tty_valid if we set old_tty.
(reset_sys_modes): Restore tty settings only if old_tty_valid.
This commit is contained in:
Karl Heuer 1995-06-05 12:35:03 +00:00
parent 866f60fd75
commit 7e32a4fbae
1 changed files with 10 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

13
src/sysdep.c
View file

@ -1130,7 +1130,11 @@ emacs_set_tty (fd, settings, waitp)
/* The initial tty mode bits */
struct emacs_tty old_tty;
int term_initted; /* 1 if outer tty status has been recorded */
/* 1 if we have been through init_sys_modes. */
int term_initted;
/* 1 if outer tty status has been recorded. */
int old_tty_valid;
#ifdef BSD4_1
/* BSD 4.1 needs to keep track of the lmode bits in order to start
@ -1220,6 +1224,8 @@ init_sys_modes ()
{
EMACS_GET_TTY (input_fd, &old_tty);
old_tty_valid = 1;
tty = old_tty;
#if defined (HAVE_TERMIO) || defined (HAVE_TERMIOS)
@ -1650,8 +1656,9 @@ reset_sys_modes ()
reset_sigio ();
#endif /* BSD4_1 */
while (EMACS_SET_TTY (input_fd, &old_tty, 0) < 0 && errno == EINTR)
;
if (old_tty_valid)
while (EMACS_SET_TTY (input_fd, &old_tty, 0) < 0 && errno == EINTR)
;
#ifdef MSDOS /* Demacs 1.1.2 91/10/20 Manabu Higashida */
dos_ttcooked ();