diff options
| -rw-r--r-- | sys/alpha/include/param.h | 54 | ||||
| -rw-r--r-- | sys/i386/include/param.h | 38 | ||||
| -rw-r--r-- | sys/sys/socket.h | 20 |
3 files changed, 76 insertions, 36 deletions
diff --git a/sys/alpha/include/param.h b/sys/alpha/include/param.h index ae641f6..7c0f1af 100644 --- a/sys/alpha/include/param.h +++ b/sys/alpha/include/param.h @@ -46,15 +46,43 @@ /* * Machine dependent constants for the Alpha. */ + +/* + * Round p (pointer or byte index) up to a correctly-aligned value for all + * data types (int, long, ...). The result is u_long and must be cast to + * any desired pointer type. + * + * ALIGNED_POINTER is a boolean macro that checks whether an address + * is valid to fetch data elements of type t from on this architecture. + * This does not reflect the optimal alignment, just the possibility + * (within reasonable limits). + * + */ +#ifndef _ALIGNBYTES +#define _ALIGNBYTES 7 +#endif +#ifndef _ALIGN +#define _ALIGN(p) (((u_long)(p) + _ALIGNBYTES) &~ _ALIGNBYTES) +#endif +#ifndef _ALIGNED_POINTER +#define _ALIGNED_POINTER(p,t) ((((u_long)(p)) & (sizeof(t)-1)) == 0) +#endif + #ifndef _MACHINE #define _MACHINE alpha #endif -#ifndef MACHINE -#define MACHINE "alpha" -#endif #ifndef _MACHINE_ARCH #define _MACHINE_ARCH alpha #endif + +#ifndef _NO_NAMESPACE_POLLUTION + +#ifndef _MACHINE_PARAM_H_ +#define _MACHINE_PARAM_H_ + +#ifndef MACHINE +#define MACHINE "alpha" +#endif #ifndef MACHINE_ARCH #define MACHINE_ARCH "alpha" #endif @@ -76,20 +104,9 @@ #define MAXCPU 1 #endif -/* - * Round p (pointer or byte index) up to a correctly-aligned value for all - * data types (int, long, ...). The result is u_long and must be cast to - * any desired pointer type. - * - * ALIGNED_POINTER is a boolean macro that checks whether an address - * is valid to fetch data elements of type t from on this architecture. - * This does not reflect the optimal alignment, just the possibility - * (within reasonable limits). - * - */ -#define ALIGNBYTES 7 -#define ALIGN(p) (((u_long)(p) + ALIGNBYTES) &~ ALIGNBYTES) -#define ALIGNED_POINTER(p,t) ((((u_long)(p)) & (sizeof(t)-1)) == 0) +#define ALIGNBYTES _ALIGNBYTES +#define ALIGN(p) _ALIGN(p) +#define ALIGNED_POINTER(p,t) _ALIGNED_POINTER(p,t) #define PAGE_SIZE (1 << ALPHA_PGSHIFT) /* bytes/page */ #define PAGE_SHIFT ALPHA_PGSHIFT @@ -157,3 +174,6 @@ #define alpha_ptob(x) ((unsigned long)(x) << PAGE_SHIFT) #define pgtok(x) ((x) * (PAGE_SIZE / 1024)) + +#endif /* !_MACHINE_PARAM_H_ */ +#endif /* !_NO_NAMESPACE_POLLUTION */ diff --git a/sys/i386/include/param.h b/sys/i386/include/param.h index 0d17297..dffc648 100644 --- a/sys/i386/include/param.h +++ b/sys/i386/include/param.h @@ -37,21 +37,37 @@ * $FreeBSD$ */ -#ifndef _MACHINE_PARAM_H_ -#define _MACHINE_PARAM_H_ - /* * Machine dependent constants for Intel 386. */ + +/* + * Round p (pointer or byte index) up to a correctly-aligned value + * for all data types (int, long, ...). The result is unsigned int + * and must be cast to any desired pointer type. + */ +#ifndef _ALIGNBYTES +#define _ALIGNBYTES (sizeof(int) - 1) +#endif +#ifndef _ALIGN +#define _ALIGN(p) (((unsigned)(p) + _ALIGNBYTES) & ~_ALIGNBYTES) +#endif + #ifndef _MACHINE #define _MACHINE i386 #endif -#ifndef MACHINE -#define MACHINE "i386" -#endif #ifndef _MACHINE_ARCH #define _MACHINE_ARCH i386 #endif + +#ifndef _NO_NAMESPACE_POLLUTION + +#ifndef _MACHINE_PARAM_H_ +#define _MACHINE_PARAM_H_ + +#ifndef MACHINE +#define MACHINE "i386" +#endif #ifndef MACHINE_ARCH #define MACHINE_ARCH "i386" #endif @@ -70,13 +86,8 @@ #define MAXCPU 1 #endif /* SMP */ -/* - * Round p (pointer or byte index) up to a correctly-aligned value - * for all data types (int, long, ...). The result is unsigned int - * and must be cast to any desired pointer type. - */ -#define ALIGNBYTES (sizeof(int) - 1) -#define ALIGN(p) (((unsigned)(p) + ALIGNBYTES) & ~ALIGNBYTES) +#define ALIGNBYTES _ALIGNBYTES +#define ALIGN(p) _ALIGN(p) #define PAGE_SHIFT 12 /* LOG2(PAGE_SIZE) */ #define PAGE_SIZE (1<<PAGE_SHIFT) /* bytes/page */ @@ -155,3 +166,4 @@ #define pgtok(x) ((x) * (PAGE_SIZE / 1024)) #endif /* !_MACHINE_PARAM_H_ */ +#endif /* !_NO_NAMESPACE_POLLUTION */ diff --git a/sys/sys/socket.h b/sys/sys/socket.h index 548f4f0..2d76eeb 100644 --- a/sys/sys/socket.h +++ b/sys/sys/socket.h @@ -37,6 +37,14 @@ #ifndef _SYS_SOCKET_H_ #define _SYS_SOCKET_H_ +#ifdef _NO_NAMESPACE_POLLUTION +#include <machine/param.h> +#else +#define _NO_NAMESPACE_POLLUTION +#include <machine/param.h> +#undef _NO_NAMESPACE_POLLUTION +#endif + /* * Definitions related to sockets: types, address families, options. */ @@ -358,22 +366,22 @@ struct cmsgcred { /* given pointer to struct cmsghdr, return pointer to data */ #define CMSG_DATA(cmsg) ((u_char *)(cmsg) + \ - ALIGN(sizeof(struct cmsghdr))) + _ALIGN(sizeof(struct cmsghdr))) /* given pointer to struct cmsghdr, return pointer to next cmsghdr */ #define CMSG_NXTHDR(mhdr, cmsg) \ - (((caddr_t)(cmsg) + ALIGN((cmsg)->cmsg_len) + \ - ALIGN(sizeof(struct cmsghdr)) > \ + (((caddr_t)(cmsg) + _ALIGN((cmsg)->cmsg_len) + \ + _ALIGN(sizeof(struct cmsghdr)) > \ (caddr_t)(mhdr)->msg_control + (mhdr)->msg_controllen) ? \ (struct cmsghdr *)NULL : \ - (struct cmsghdr *)((caddr_t)(cmsg) + ALIGN((cmsg)->cmsg_len))) + (struct cmsghdr *)((caddr_t)(cmsg) + _ALIGN((cmsg)->cmsg_len))) #define CMSG_FIRSTHDR(mhdr) ((struct cmsghdr *)(mhdr)->msg_control) /* RFC 2292 additions */ -#define CMSG_SPACE(l) (ALIGN(sizeof(struct cmsghdr)) + ALIGN(l)) -#define CMSG_LEN(l) (ALIGN(sizeof(struct cmsghdr)) + (l)) +#define CMSG_SPACE(l) (_ALIGN(sizeof(struct cmsghdr)) + _ALIGN(l)) +#define CMSG_LEN(l) (_ALIGN(sizeof(struct cmsghdr)) + (l)) /* "Socket"-level control message types: */ #define SCM_RIGHTS 0x01 /* access rights (array of int) */ |
