diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/libbb.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/libbb.h b/include/libbb.h index a74b3119f..db5bf7a51 100644 --- a/include/libbb.h +++ b/include/libbb.h @@ -391,6 +391,24 @@ void *mmap_read(int fd, size_t size) FAST_FUNC; void *mmap_anon(size_t size) FAST_FUNC; void *xmmap_anon(size_t size) FAST_FUNC; +#if defined(__x86_64__) || defined(i386) +# define BB_ARCH_FIXED_PAGESIZE 4096 +#else /* if defined(ARCH) */ +/* add you favorite arch today! */ +#endif + +#if defined BB_ARCH_FIXED_PAGESIZE +# define IF_VARIABLE_ARCH_PAGESIZE(...) /*nothing*/ +# define bb_getpagesize() BB_ARCH_FIXED_PAGESIZE +# define INIT_PAGESIZE(var) ((void)0) +# define cached_pagesize(var) BB_ARCH_FIXED_PAGESIZE +#else +# define IF_VARIABLE_ARCH_PAGESIZE(...) __VA_ARGS__ +# define bb_getpagesize() getpagesize() +# define INIT_PAGESIZE(var) ((var) = getpagesize()) +# define cached_pagesize(var) (var) +#endif + //TODO: supply a pointer to char[11] buffer (avoid statics)? extern const char *bb_mode_string(mode_t mode) FAST_FUNC; |