new helper: restore_altstack()

to be used by rt_sigreturn instances Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-11-18 15:29:16 -05:00
parent 031b656698
commit 5c49574ffd
2 changed files with 9 additions and 0 deletions
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -385,4 +385,6 @@ int unhandled_signal(struct task_struct *tsk, int sig);

 void signals_init(void);

+int restore_altstack(const stack_t __user *);
+
 #endif /* _LINUX_SIGNAL_H */