Revert "fix console stdin,stdout,stderr fds"

src/lxc/console.c

@@ -506,7 +506,7 @@ static void lxc_console_peer_default(struct lxc_console *console)
 	DEBUG("using '%s' as console", path);
 
 	if (!isatty(console->peer))
-		goto err1;
+		return;
 
 	ts = lxc_console_sigwinch_init(console->peer, console->master);
 	if (!ts)
@@ -611,23 +611,7 @@ err:
 	return -1;
 }
 
-int lxc_console_set_stdfds(struct lxc_handler *handler)
-{
-	struct lxc_conf *conf = handler->conf;
-	struct lxc_console *console = &conf->console;
 
-	if (console->slave < 0)
-		return 0;
-
-	if (dup2(console->slave, 0) < 0 ||
-	    dup2(console->slave, 1) < 0 ||
-	    dup2(console->slave, 2) < 0)
-	{
-		SYSERROR("failed to dup console");
-		return -1;
-	}
-	return 0;
-}
 
 static int lxc_console_cb_tty_stdin(int fd, uint32_t events, void *cbdata,
 				    struct lxc_epoll_descr *descr)

src/lxc/console.h

@@ -36,4 +36,3 @@ extern int  lxc_console(struct lxc_container *c, int ttynum,
 		        int escape);
 extern int  lxc_console_getfd(struct lxc_container *c, int *ttynum,
 			      int *masterfd);
-extern int  lxc_console_set_stdfds(struct lxc_handler *);

src/lxc/lxc_console.c

@@ -28,6 +28,7 @@
 #include <errno.h>
 #include <string.h>
 #include <fcntl.h>
+#include <termios.h>
 #include <unistd.h>
 #include <signal.h>
 #include <libgen.h>

src/lxc/lxc_start.c

@@ -27,6 +27,7 @@
 #include <stdlib.h>
 #include <unistd.h>
 #include <string.h>
+#include <termios.h>
 #include <errno.h>
 #include <fcntl.h>
 #include <signal.h>

src/lxc/start.c

@@ -31,6 +31,7 @@
 #include <unistd.h>
 #include <signal.h>
 #include <fcntl.h>
+#include <termios.h>
 #include <grp.h>
 #include <poll.h>
 #include <sys/param.h>
@@ -725,15 +726,6 @@ static int do_start(void *data)
 		goto out_warn_father;
 	}
 
-	/* Some init's such as busybox will set sane tty settings on stdin,
-	 * stdout, stderr which it thinks is the console. We already set them
-	 * the way we wanted on the real terminal, and we want init to do its
-	 * setup on its console ie. the pty allocated in lxc_console_create()
-	 * so make sure that that pty is stdin,stdout,stderr.
-	 */
-	if (lxc_console_set_stdfds(handler) < 0)
-		goto out_warn_father;
-
 	close(handler->sigfd);
 
 	/* after this call, we are in error because this