diff options
Diffstat (limited to 'include/linux/signal.h')
-rw-r--r-- | include/linux/signal.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/signal.h b/include/linux/signal.h index 89428953974c..5fbefd23c3ce 100644 --- a/include/linux/signal.h +++ b/include/linux/signal.h @@ -389,4 +389,12 @@ void signals_init(void); int restore_altstack(const stack_t __user *); int __save_altstack(stack_t __user *, unsigned long); +#define save_altstack_ex(uss, sp) do { \ + stack_t __user *__uss = uss; \ + struct task_struct *t = current; \ + put_user_ex((void __user *)t->sas_ss_sp, &__uss->ss_sp); \ + put_user_ex(sas_ss_flags(sp), &__uss->ss_flags); \ + put_user_ex(t->sas_ss_size, &__uss->ss_size); \ +} while (0); + #endif /* _LINUX_SIGNAL_H */ |