xref: /csrg-svn/lib/libc/gen/getpagesize.c (revision 60350)
158950Smckusick /*
258950Smckusick  * Copyright (c) 1989 The Regents of the University of California.
358950Smckusick  * All rights reserved.
458950Smckusick  *
558950Smckusick  * %sccs.include.redist.c%
658950Smckusick  */
758950Smckusick 
858950Smckusick #if defined(LIBC_SCCS) && !defined(lint)
9*60350Storek static char sccsid[] = "@(#)getpagesize.c	5.2 (Berkeley) 05/25/93";
1058950Smckusick #endif /* LIBC_SCCS and not lint */
1158950Smckusick 
1258950Smckusick #include <sys/param.h>
1358950Smckusick #include <sys/sysctl.h>
1458950Smckusick 
1558950Smckusick int
1658950Smckusick getpagesize()
1758950Smckusick {
18*60350Storek 	int mib[2], value;
19*60350Storek 	size_t size;
2058950Smckusick 
2158950Smckusick 	mib[0] = CTL_HW;
2258950Smckusick 	mib[1] = HW_PAGESIZE;
2358950Smckusick 	size = sizeof value;
2458950Smckusick 	if (sysctl(mib, 2, &value, &size, NULL, 0) == -1)
2558950Smckusick 		return (-1);
2658950Smckusick 	return (value);
2758950Smckusick }
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