[PATCH] remove dead code and exports from signal.c

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

include/linux/sched.h

@@ -838,7 +838,6 @@ extern int force_sigsegv(int, struct task_struct *);
 extern int force_sig_info(int, struct siginfo *, struct task_struct *);
 extern int __kill_pg_info(int sig, struct siginfo *info, pid_t pgrp);
 extern int kill_pg_info(int, struct siginfo *, pid_t);
-extern int kill_sl_info(int, struct siginfo *, pid_t);
 extern int kill_proc_info(int, struct siginfo *, pid_t);
 extern void do_notify_parent(struct task_struct *, int);
 extern void force_sig(int, struct task_struct *);

kernel/signal.c

@@ -1143,36 +1143,6 @@ kill_pg_info(int sig, struct siginfo *info, pid_t pgrp)
 	return retval;
 }
 
-/*
- * kill_sl_info() sends a signal to the session leader: this is used
- * to send SIGHUP to the controlling process of a terminal when
- * the connection is lost.
- */
-
-
-int
-kill_sl_info(int sig, struct siginfo *info, pid_t sid)
-{
-	int err, retval = -EINVAL;
-	struct task_struct *p;
-
-	if (sid <= 0)
-		goto out;
-
-	retval = -ESRCH;
-	read_lock(&tasklist_lock);
-	do_each_task_pid(sid, PIDTYPE_SID, p) {
-		if (!p->signal->leader)
-			continue;
-		err = group_send_sig_info(sig, info, p);
-		if (retval)
-			retval = err;
-	} while_each_task_pid(sid, PIDTYPE_SID, p);
-	read_unlock(&tasklist_lock);
-out:
-	return retval;
-}
-
 int
 kill_proc_info(int sig, struct siginfo *info, pid_t pid)
 {
@@ -1308,12 +1278,6 @@ kill_pg(pid_t pgrp, int sig, int priv)
 	return kill_pg_info(sig, (void *)(long)(priv != 0), pgrp);
 }
 
-int
-kill_sl(pid_t sess, int sig, int priv)
-{
-	return kill_sl_info(sig, (void *)(long)(priv != 0), sess);
-}
-
 int
 kill_proc(pid_t pid, int sig, int priv)
 {
@@ -1978,22 +1942,11 @@ int get_signal_to_deliver(siginfo_t *info, struct k_sigaction *return_ka,
 EXPORT_SYMBOL(recalc_sigpending);
 EXPORT_SYMBOL_GPL(dequeue_signal);
 EXPORT_SYMBOL(flush_signals);
-EXPORT_SYMBOL(force_sig);
-EXPORT_SYMBOL(force_sig_info);
 EXPORT_SYMBOL(kill_pg);
-EXPORT_SYMBOL(kill_pg_info);
 EXPORT_SYMBOL(kill_proc);
-EXPORT_SYMBOL(kill_proc_info);
-EXPORT_SYMBOL(kill_sl);
-EXPORT_SYMBOL(kill_sl_info);
 EXPORT_SYMBOL(ptrace_notify);
 EXPORT_SYMBOL(send_sig);
 EXPORT_SYMBOL(send_sig_info);
-EXPORT_SYMBOL(send_group_sig_info);
-EXPORT_SYMBOL(sigqueue_alloc);
-EXPORT_SYMBOL(sigqueue_free);
-EXPORT_SYMBOL(send_sigqueue);
-EXPORT_SYMBOL(send_group_sigqueue);
 EXPORT_SYMBOL(sigprocmask);
 EXPORT_SYMBOL(block_all_signals);
 EXPORT_SYMBOL(unblock_all_signals);