diff options
| author | Rodney W. Grimes <rgrimes@FreeBSD.org> | 1993-09-24 13:03:39 +0000 |
|---|---|---|
| committer | Rodney W. Grimes <rgrimes@FreeBSD.org> | 1993-09-24 13:03:39 +0000 |
| commit | 936298e2bddb792a19a9e26392c8b0a509fe9097 (patch) | |
| tree | e2352bd37359240f85f3c95ab6952f4cb9cbe94d /gnu/lib/libmalloc/getpagesize.h | |
| parent | bbc2a680879b208dfdb76d81924255501b29a430 (diff) | |
Notes
Diffstat (limited to 'gnu/lib/libmalloc/getpagesize.h')
| -rw-r--r-- | gnu/lib/libmalloc/getpagesize.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/gnu/lib/libmalloc/getpagesize.h b/gnu/lib/libmalloc/getpagesize.h new file mode 100644 index 000000000000..2d43f262c79d --- /dev/null +++ b/gnu/lib/libmalloc/getpagesize.h @@ -0,0 +1,38 @@ +#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 */ + |