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Move reading termios settings to before tty_open alters them, and expand the

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comment.
This commit is contained in:
Nicholas Marriott 2009-08-21 11:36:08 +00:00
parent 65ac8e9f0c
commit 915a1913e1
1 changed files with 21 additions and 16 deletions
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37
cmd-new-session.c
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@ -149,6 +149,27 @@ cmd_new_session_exec(struct cmd *self, struct cmd_ctx *ctx)
if (ctx->cmdclient == NULL && ctx->curclient == NULL)
detached = 1;
/*
* Fill in the termios settings used for new windows in this session;
* if there is a command client, use the control characters from it.
*
* This is read again with tcgetattr() rather than using tty.tio as if
* detached, tty_open won't be called. Because of this, it must be done
* before opening the terminal as that calls tcsetattr() to prepare for
* tmux taking over.
*/
if (ctx->cmdclient != NULL && ctx->cmdclient->tty.fd != -1) {
if (tcgetattr(ctx->cmdclient->tty.fd, &tio) != 0)
fatal("tcgetattr failed");
} else
memcpy(tio.c_cc, ttydefchars, sizeof tio.c_cc);
tio.c_iflag = TTYDEF_IFLAG;
tio.c_oflag = TTYDEF_OFLAG;
tio.c_lflag = TTYDEF_LFLAG;
tio.c_cflag = TTYDEF_CFLAG;
cfsetispeed(&tio, TTYDEF_SPEED);
cfsetospeed(&tio, TTYDEF_SPEED);
/* Open the terminal if necessary. */
if (!detached && ctx->cmdclient != NULL) {
if (!(ctx->cmdclient->flags & CLIENT_TERMINAL)) {
@ -199,22 +220,6 @@ cmd_new_session_exec(struct cmd *self, struct cmd_ctx *ctx)
if (ctx->cmdclient != NULL)
environ_update(update, &ctx->cmdclient->environ, &env);
/*
* Fill in the termios settings used for new windows in this session;
* if there is a command client, use the control characters from it.
*/
if (ctx->cmdclient != NULL && ctx->cmdclient->tty.fd != -1) {
if (tcgetattr(ctx->cmdclient->tty.fd, &tio) != 0)
fatal("tcgetattr failed");
} else
memcpy(tio.c_cc, ttydefchars, sizeof tio.c_cc);
tio.c_iflag = TTYDEF_IFLAG;
tio.c_oflag = TTYDEF_OFLAG;
tio.c_lflag = TTYDEF_LFLAG;
tio.c_cflag = TTYDEF_CFLAG;
cfsetispeed(&tio, TTYDEF_SPEED);
cfsetospeed(&tio, TTYDEF_SPEED);
/* Create the new session. */
idx = -1 - options_get_number(&global_s_options, "base-index");
s = session_create(