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Add __restrict qualifiers to copyinfrom, copyinstrfrom, copystr, copyinstr,

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copyin and copyout.
This commit is contained in:
Alfred Perlstein 2003-12-26 05:54:35 +00:00
parent 4609c9a528
commit 4abb4ff34d
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=123852
3 changed files with 18 additions and 11 deletions
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6
sys/kern/kern_subr.c
View file

@ -448,7 +448,8 @@ uio_yield(void)
}
int
copyinfrom(const void *src, void *dst, size_t len, int seg)
copyinfrom(const void * __restrict src, void * __restrict dst, size_t len,
int seg)
{
int error = 0;
@ -466,7 +467,8 @@ copyinfrom(const void *src, void *dst, size_t len, int seg)
}
int
copyinstrfrom(const void *src, void *dst, size_t len, size_t *copied, int seg)
copyinstrfrom(const void * __restrict src, void * __restrict dst, size_t len,
size_t * __restrict copied, int seg)
{
int error = 0;

16
sys/sys/systm.h
View file

@ -185,12 +185,16 @@ void bzero(void *buf, size_t len) __nonnull(1);
void *memcpy(void *to, const void *from, size_t len) __nonnull(1) __nonnull(2);
int copystr(const void *kfaddr, void *kdaddr, size_t len,
size_t *lencopied) __nonnull(1) __nonnull(2);
int copyinstr(const void *udaddr, void *kaddr, size_t len,
size_t *lencopied) __nonnull(1) __nonnull(2);
int copyin(const void *udaddr, void *kaddr, size_t len) __nonnull(1) __nonnull(2);
int copyout(const void *kaddr, void *udaddr, size_t len) __nonnull(1) __nonnull(2);
int copystr(const void * __restrict kfaddr, void * __restrict kdaddr,
size_t len, size_t * __restrict lencopied)
__nonnull(1) __nonnull(2);
int copyinstr(const void * __restrict udaddr, void * __restrict kaddr,
size_t len, size_t * __restrict lencopied)
__nonnull(1) __nonnull(2);
int copyin(const void * __restrict udaddr, void * __restrict kaddr,
size_t len) __nonnull(1) __nonnull(2);
int copyout(const void * __restrict kaddr, void * __restrict udaddr,
size_t len) __nonnull(1) __nonnull(2);
int fubyte(const void *base);
long fuword(const void *base);

7
sys/sys/uio.h
View file

@ -89,9 +89,10 @@ void uio_yield(void);
int uiomove(void *, int, struct uio *);
int uiomove_frombuf(void *buf, int buflen, struct uio *uio);
int uiomoveco(void *, int, struct uio *, struct vm_object *, int);
int copyinfrom(const void *src, void *dst, size_t len, int seg);
int copyinstrfrom(const void *src, void *dst, size_t len,
size_t *copied, int seg);
int copyinfrom(const void * __restrict src, void * __restrict dst,
size_t len, int seg);
int copyinstrfrom(const void * __restrict src, void * __restrict dst,
size_t len, size_t * __restrict copied, int seg);
#else /* !_KERNEL */