diff options
Diffstat (limited to 'src/pool.c')
| -rw-r--r-- | src/pool.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/src/pool.c b/src/pool.c index 3cbb2b163..612bbe647 100644 --- a/src/pool.c +++ b/src/pool.c @@ -8,6 +8,18 @@ #include <stddef.h> #include <string.h> +/* configuration section */ +/* allcated memory address should be multiple of POOL_ALLOC_ALIGN */ +/* or undef it if alignment does not matter */ +#ifndef POOL_ALIGNMENT +#define POOL_ALIGNMENT 4 +#endif +/* page size of memory pool */ +#ifndef POOL_PAGE_SIZE +#define POOL_PAGE_SIZE 16000 +#endif +/* end of configuration section */ + struct mrb_pool_page { struct mrb_pool_page *next; size_t offset; @@ -29,10 +41,8 @@ struct mrb_pool { #define mrb_free(m,p) free(p) #endif -#define POOL_PAGE_SIZE 16000 - -#ifdef ALLOC_ALIGN -# define ALIGN_PADDING(x) ((x % ALLOC_ALIGN) ? ALLOC_ALIGN - (x % ALLOC_ALIGN) : 0) +#ifdef POOL_ALIGNMENT +# define ALIGN_PADDING(x) ((-x) & (POOL_ALIGNMENT - 1)) #else # define ALIGN_PADDING(x) (0) #endif |