4d0ccc8353
than vendor importing the virgin 2.0 sources, we have to manually put this on the HEAD branch.
44 lines
1023 B
C
44 lines
1023 B
C
/* Emulate getpagesize on systems that lack it. */
|
|
|
|
/* $FreeBSD$ */
|
|
|
|
#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 /* no _SC_PAGESIZE */
|
|
# ifdef HAVE_SYS_PARAM_H
|
|
# include <sys/param.h>
|
|
# ifdef EXEC_PAGESIZE
|
|
# define getpagesize() EXEC_PAGESIZE
|
|
# else /* no EXEC_PAGESIZE */
|
|
# ifdef NBPG
|
|
# define getpagesize() NBPG * CLSIZE
|
|
# ifndef CLSIZE
|
|
# define CLSIZE 1
|
|
# endif /* no CLSIZE */
|
|
# else /* no NBPG */
|
|
# ifdef NBPC
|
|
# define getpagesize() NBPC
|
|
# else /* no NBPC */
|
|
# ifdef PAGESIZE
|
|
# define getpagesize() PAGESIZE
|
|
# endif /* PAGESIZE */
|
|
# endif /* no NBPC */
|
|
# endif /* no NBPG */
|
|
# endif /* no EXEC_PAGESIZE */
|
|
# else /* no HAVE_SYS_PARAM_H */
|
|
# define getpagesize() 8192 /* punt totally */
|
|
# endif /* no HAVE_SYS_PARAM_H */
|
|
# endif /* no _SC_PAGESIZE */
|
|
|
|
#endif /* no HAVE_GETPAGESIZE */
|