xref: /original-bsd/lib/libc/gen/getpagesize.c (revision c3e32dec)
1 /*
2  * Copyright (c) 1989, 1993
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * %sccs.include.redist.c%
6  */
7 
8 #if defined(LIBC_SCCS) && !defined(lint)
9 static char sccsid[] = "@(#)getpagesize.c	8.1 (Berkeley) 06/04/93";
10 #endif /* LIBC_SCCS and not lint */
11 
12 #include <sys/param.h>
13 #include <sys/sysctl.h>
14 
15 int
16 getpagesize()
17 {
18 	int mib[2], value;
19 	size_t size;
20 
21 	mib[0] = CTL_HW;
22 	mib[1] = HW_PAGESIZE;
23 	size = sizeof value;
24 	if (sysctl(mib, 2, &value, &size, NULL, 0) == -1)
25 		return (-1);
26 	return (value);
27 }
28