| 1 |
/* Copyright (c) 1993 Regents of the University of California */ |
| 2 |
|
| 3 |
#ifndef lint |
| 4 |
static char SCCSid[] = "$SunId$ LBL"; |
| 5 |
#endif |
| 6 |
|
| 7 |
/* |
| 8 |
* Return system page size for non-BSD machine. |
| 9 |
*/ |
| 10 |
|
| 11 |
#ifndef BSD |
| 12 |
|
| 13 |
#if defined(_AUX_SOURCE) /* Apple's A/UX */ |
| 14 |
|
| 15 |
#include <sys/var.h> |
| 16 |
int |
| 17 |
getpagesize() /* use var structure to get page size */ |
| 18 |
{ |
| 19 |
struct var v; |
| 20 |
uvar(&v); |
| 21 |
return(1 << v.v_pageshift); |
| 22 |
} |
| 23 |
|
| 24 |
#else |
| 25 |
#if defined(hpux) /* Hewlett Packard's HPUX */ |
| 26 |
|
| 27 |
#include <machine/param.h> |
| 28 |
int |
| 29 |
getpagesize() |
| 30 |
{ |
| 31 |
return(NBPG_PA83); /* This is supposed to be ok for PA-RISC 1.0, but |
| 32 |
I don't know about 1.1 (i.e. Snakes) */ |
| 33 |
} |
| 34 |
|
| 35 |
#else |
| 36 |
#if defined(sparc) |
| 37 |
|
| 38 |
#include <unistd.h> |
| 39 |
int getpagesize() |
| 40 |
{ |
| 41 |
return (int)sysconf(_SC_PAGESIZE); |
| 42 |
} |
| 43 |
#else /* Unknown version of UNIX */ |
| 44 |
#ifndef PAGESIZE |
| 45 |
#define PAGESIZE 8192 /* Guess on the high side */ |
| 46 |
#endif |
| 47 |
int |
| 48 |
getpagesize() |
| 49 |
{ |
| 50 |
return(PAGESIZE); |
| 51 |
} |
| 52 |
|
| 53 |
#endif |
| 54 |
#endif |
| 55 |
#endif |
| 56 |
|
| 57 |
#endif /* !BSD */ |
