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authorNicholas Marriott <nicm@openbsd.org>2009-09-23 12:03:30 +0000
committerNicholas Marriott <nicm@openbsd.org>2009-09-23 12:03:30 +0000
commit9200a0be7a515cd04c1a05d120002c73932cbf98 (patch)
tree6e82962815963a9962c1029d7d97898fb0dae98b /tty.c
parent18ea820cb0f1e7d9936c89abf15130e40efc956b (diff)
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Support -c like sh(1) to execute a command, useful when tmux is a login
shell. Suggested by halex@. This includes another protocol version increase (the last for now) so again restart the tmux server before upgrading.
Diffstat (limited to 'tty.c')
-rw-r--r--tty.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/tty.c b/tty.c
index 2129747d..774808db 100644
--- a/tty.c
+++ b/tty.c
@@ -44,7 +44,6 @@ void tty_cell(struct tty *,
void
tty_init(struct tty *tty, int fd, char *term)
{
- int mode;
char *path;
memset(tty, 0, sizeof *tty);
@@ -55,10 +54,6 @@ tty_init(struct tty *tty, int fd, char *term)
else
tty->termname = xstrdup(term);
- if ((mode = fcntl(fd, F_GETFL)) == -1)
- fatal("fcntl failed");
- if (fcntl(fd, F_SETFL, mode|O_NONBLOCK) == -1)
- fatal("fcntl failed");
if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1)
fatal("fcntl failed");
tty->fd = fd;
@@ -129,11 +124,16 @@ void
tty_start_tty(struct tty *tty)
{
struct termios tio;
- int what;
+ int what, mode;
if (tty->fd == -1)
return;
+ if ((mode = fcntl(tty->fd, F_GETFL)) == -1)
+ fatal("fcntl failed");
+ if (fcntl(tty->fd, F_SETFL, mode|O_NONBLOCK) == -1)
+ fatal("fcntl failed");
+
#if 0
tty_detect_utf8(tty);
#endif
@@ -183,6 +183,7 @@ void
tty_stop_tty(struct tty *tty)
{
struct winsize ws;
+ int mode;
if (!(tty->flags & TTY_STARTED))
return;
@@ -193,6 +194,10 @@ tty_stop_tty(struct tty *tty)
* because the fd is invalid. Things like ssh -t can easily leave us
* with a dead tty.
*/
+ if ((mode = fcntl(tty->fd, F_GETFL)) == -1)
+ return;
+ if (fcntl(tty->fd, F_SETFL, mode & ~O_NONBLOCK) == -1)
+ return;
if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
return;
if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)