X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=drivers%2Fchar%2Fvt_ioctl.c;h=ac5d60edbafaadda7d58dd13601fb70e9ac70a82;hb=a77b8950019289611f836c8fc19f91592822efcd;hp=a5628a8b66207a4420c99f91565a6746495b14ee;hpb=78cc3b78c4208d28e7f4ecded82e238224ed4d1c;p=~andy%2Flinux

diff --git a/drivers/char/vt_ioctl.c b/drivers/char/vt_ioctl.c
index a5628a8b662..ac5d60edbaf 100644
--- a/drivers/char/vt_ioctl.c
+++ b/drivers/char/vt_ioctl.c
@@ -96,7 +96,7 @@ do_kdsk_ioctl(int cmd, struct kbentry __user *user_kbe, int perm, struct kbd_str
 		if (!perm)
 			return -EPERM;
 		if (!i && v == K_NOSUCHMAP) {
-			/* disallocate map */
+			/* deallocate map */
 			key_map = key_maps[s];
 			if (s && key_map) {
 			    key_maps[s] = NULL;
@@ -645,13 +645,16 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
 	 */
 	case KDSIGACCEPT:
 	{
-		extern int spawnpid, spawnsig;
 		if (!perm || !capable(CAP_KILL))
 		  return -EPERM;
 		if (!valid_signal(arg) || arg < 1 || arg == SIGKILL)
 		  return -EINVAL;
-		spawnpid = current->pid;
-		spawnsig = arg;
+
+		spin_lock_irq(&vt_spawn_con.lock);
+		put_pid(vt_spawn_con.pid);
+		vt_spawn_con.pid = get_pid(task_pid(current));
+		vt_spawn_con.sig = arg;
+		spin_unlock_irq(&vt_spawn_con.lock);
 		return 0;
 	}
 
@@ -669,7 +672,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
 		vc->vt_mode = tmp;
 		/* the frsig is ignored, so we set it to 0 */
 		vc->vt_mode.frsig = 0;
-		vc->vt_pid = current->pid;
+		put_pid(xchg(&vc->vt_pid, get_pid(task_pid(current))));
 		/* no switch is required -- saw@shade.msu.ru */
 		vc->vt_newvt = -1;
 		release_console_sem();
@@ -819,20 +822,20 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
 		if (arg > MAX_NR_CONSOLES)
 			return -ENXIO;
 		if (arg == 0) {
-		    /* disallocate all unused consoles, but leave 0 */
+		    /* deallocate all unused consoles, but leave 0 */
 			acquire_console_sem();
 			for (i=1; i<MAX_NR_CONSOLES; i++)
 				if (! VT_BUSY(i))
-					vc_disallocate(i);
+					vc_deallocate(i);
 			release_console_sem();
 		} else {
-			/* disallocate a single console, if possible */
+			/* deallocate a single console, if possible */
 			arg--;
 			if (VT_BUSY(arg))
 				return -EBUSY;
 			if (arg) {			      /* leave 0 */
 				acquire_console_sem();
-				vc_disallocate(arg);
+				vc_deallocate(arg);
 				release_console_sem();
 			}
 		}
@@ -847,11 +850,8 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
 		if (get_user(ll, &vtsizes->v_rows) ||
 		    get_user(cc, &vtsizes->v_cols))
 			return -EFAULT;
-		for (i = 0; i < MAX_NR_CONSOLES; i++) {
-			acquire_console_sem();
-			vc_resize(vc_cons[i].d, cc, ll);
-			release_console_sem();
-		}
+		for (i = 0; i < MAX_NR_CONSOLES; i++)
+			vc_lock_resize(vc_cons[i].d, cc, ll);
 		return 0;
 	}
 
@@ -1063,7 +1063,7 @@ void reset_vc(struct vc_data *vc)
 	vc->vt_mode.relsig = 0;
 	vc->vt_mode.acqsig = 0;
 	vc->vt_mode.frsig = 0;
-	vc->vt_pid = -1;
+	put_pid(xchg(&vc->vt_pid, NULL));
 	vc->vt_newvt = -1;
 	if (!in_interrupt())    /* Via keyboard.c:SAK() - akpm */
 		reset_palette(vc);
@@ -1114,7 +1114,7 @@ static void complete_change_console(struct vc_data *vc)
 		 * tell us if the process has gone or something else
 		 * is awry
 		 */
-		if (kill_proc(vc->vt_pid, vc->vt_mode.acqsig, 1) != 0) {
+		if (kill_pid(vc->vt_pid, vc->vt_mode.acqsig, 1) != 0) {
 		/*
 		 * The controlling process has died, so we revert back to
 		 * normal operation. In this case, we'll also change back
@@ -1174,7 +1174,7 @@ void change_console(struct vc_data *new_vc)
 		 * tell us if the process has gone or something else
 		 * is awry
 		 */
-		if (kill_proc(vc->vt_pid, vc->vt_mode.relsig, 1) == 0) {
+		if (kill_pid(vc->vt_pid, vc->vt_mode.relsig, 1) == 0) {
 			/*
 			 * It worked. Mark the vt to switch to and
 			 * return. The process needs to send us a