1 /* 2 * Copyright (c) 1989 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 */ 7 8 #if defined(LIBC_SCCS) && !defined(lint) 9 static char sccsid[] = "@(#)getpagesize.c 5.1 (Berkeley) 04/04/93"; 10 #endif /* LIBC_SCCS and not lint */ 11 12 #include <sys/param.h> 13 #include <sys/sysctl.h> 14 15 #if __STDC__ 16 int 17 getpagesize(void) 18 #else 19 int 20 getpagesize() 21 #endif 22 { 23 int mib[2], size, value; 24 25 mib[0] = CTL_HW; 26 mib[1] = HW_PAGESIZE; 27 size = sizeof value; 28 if (sysctl(mib, 2, &value, &size, NULL, 0) == -1) 29 return (-1); 30 return (value); 31 } 32