1 #ifndef __ASM_COMPAT_SIGNAL_H
2 #define __ASM_COMPAT_SIGNAL_H
5 #include <linux/compat.h>
6 #include <linux/compiler.h>
8 static inline int __copy_conv_sigset_to_user(compat_sigset_t __user *d,
13 BUG_ON(sizeof(*d) != sizeof(*s));
14 BUG_ON(_NSIG_WORDS != 2);
16 err = __put_user(s->sig[0], &d->sig[0]);
17 err |= __put_user(s->sig[0] >> 32, &d->sig[1]);
18 err |= __put_user(s->sig[1], &d->sig[2]);
19 err |= __put_user(s->sig[1] >> 32, &d->sig[3]);
24 static inline int __copy_conv_sigset_from_user(sigset_t *d,
25 const compat_sigset_t __user *s)
31 } *u = (union sigset_u *) d;
33 BUG_ON(sizeof(*d) != sizeof(*s));
34 BUG_ON(_NSIG_WORDS != 2);
36 if (unlikely(!access_ok(VERIFY_READ, d, sizeof(*d))))
39 #ifdef CONFIG_CPU_BIG_ENDIAN
40 err = __get_user(u->c.sig[1], &s->sig[0]);
41 err |= __get_user(u->c.sig[0], &s->sig[1]);
42 err |= __get_user(u->c.sig[3], &s->sig[2]);
43 err |= __get_user(u->c.sig[2], &s->sig[3]);
45 #ifdef CONFIG_CPU_LITTLE_ENDIAN
46 err = __get_user(u->c.sig[0], &s->sig[0]);
47 err |= __get_user(u->c.sig[1], &s->sig[1]);
48 err |= __get_user(u->c.sig[2], &s->sig[2]);
49 err |= __get_user(u->c.sig[3], &s->sig[3]);
55 #endif /* __ASM_COMPAT_SIGNAL_H */