diff options
Diffstat (limited to 'i386/i386/copy_user.h')
| -rw-r--r-- | i386/i386/copy_user.h | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/i386/i386/copy_user.h b/i386/i386/copy_user.h index 5cdbfa80..3d1c7278 100644 --- a/i386/i386/copy_user.h +++ b/i386/i386/copy_user.h @@ -87,16 +87,14 @@ static inline int copyout_port(const mach_port_t *kaddr, mach_port_name_t *uaddr #endif /* __x86_64__ */ } -// XXX we could add another field to kmsg to store the user-side size, but then we -// should check if we can obtain it for rpc and notifications originating from -// the kernel -#ifndef __x86_64__ +#if defined(__x86_64__) && defined(USER32) +/* For 32 bit userland, kernel and user land messages are not the same size. */ +size_t msg_usize(const mach_msg_header_t *kmsg); +#else static inline size_t msg_usize(const mach_msg_header_t *kmsg) { return kmsg->msgh_size; } -#else /* __x86_64__ */ -size_t msg_usize(const mach_msg_header_t *kmsg); -#endif /* __x86_64__ */ +#endif /* __x86_64__ && USER32 */ #endif /* COPY_USER_H */ |