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-rw-r--r--shell/cttyhack.c22
1 files changed, 13 insertions, 9 deletions
diff --git a/shell/cttyhack.c b/shell/cttyhack.c
index cdd0ed1..915ab51 100644
--- a/shell/cttyhack.c
+++ b/shell/cttyhack.c
@@ -1,16 +1,18 @@
-/* This code is adapted from busybox project
- *
+/* vi: set sw=4 ts=4: */
+/*
* Licensed under GPLv2
+ *
+ * Copyright (c) 2007 Denys Vlasenko <vda.linux@googlemail.com>
*/
#include "libbb.h"
/* From <linux/vt.h> */
struct vt_stat {
- unsigned short v_active; /* active vt */
- unsigned short v_signal; /* signal to send */
- unsigned short v_state; /* vt bitmask */
+ unsigned short v_active; /* active vt */
+ unsigned short v_signal; /* signal to send */
+ unsigned short v_state; /* vt bitmask */
};
-enum { VT_GETSTATE = 0x5603 }; /* get global vt state info */
+enum { VT_GETSTATE = 0x5603 }; /* get global vt state info */
/* From <linux/serial.h> */
struct serial_struct {
@@ -26,8 +28,8 @@ struct serial_struct {
char io_type;
char reserved_char[1];
int hub6;
- unsigned short closing_wait; /* time to wait before closing */
- unsigned short closing_wait2; /* no longer used... */
+ unsigned short closing_wait; /* time to wait before closing */
+ unsigned short closing_wait2; /* no longer used... */
unsigned char *iomem_base;
unsigned short iomem_reg_shift;
unsigned int port_high;
@@ -66,8 +68,10 @@ int cttyhack_main(int argc, char **argv)
dup2(fd, 1);
dup2(fd, 2);
while (fd > 2) close(fd--);
+ /* Some other session may have it as ctty. Steal it from them */
+ ioctl(0, TIOCSCTTY, 1)
}
- execvp(argv[0], argv);
+ BB_EXECVP(argv[0], argv);
bb_perror_msg_and_die("cannot exec '%s'", argv[0]);
}