freebsd-dev/gnu/lib/libmalloc/getpagesize.h
Rodney W. Grimes 936298e2bd This is gnu lib malloc from NetBSD verbatium, here is the version info
that Chris created:
this version of GNU malloc was obtained from prep.ai.mit.edu on
9/22/1993.  There was no version noted.
1993-09-24 13:03:39 +00:00

39 lines
610 B
C

#ifdef BSD
#ifndef BSD4_1
#define HAVE_GETPAGESIZE
#endif
#endif
#ifndef HAVE_GETPAGESIZE
#ifdef VMS
#define getpagesize() 512
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef _SC_PAGESIZE
#define getpagesize() sysconf(_SC_PAGESIZE)
#else
#include <sys/param.h>
#ifdef EXEC_PAGESIZE
#define getpagesize() EXEC_PAGESIZE
#else
#ifdef NBPG
#define getpagesize() NBPG * CLSIZE
#ifndef CLSIZE
#define CLSIZE 1
#endif /* no CLSIZE */
#else /* no NBPG */
#define getpagesize() NBPC
#endif /* no NBPG */
#endif /* no EXEC_PAGESIZE */
#endif /* no _SC_PAGESIZE */
#endif /* not HAVE_GETPAGESIZE */