|  | 
 | /* | 
 |  * Copyright (C) Igor Sysoev | 
 |  */ | 
 |  | 
 |  | 
 | #ifndef _NGX_ALLOC_H_INCLUDED_ | 
 | #define _NGX_ALLOC_H_INCLUDED_ | 
 |  | 
 |  | 
 | #include <ngx_config.h> | 
 | #include <ngx_core.h> | 
 |  | 
 |  | 
 | void *ngx_alloc(size_t size, ngx_log_t *log); | 
 | void *ngx_calloc(size_t size, ngx_log_t *log); | 
 |  | 
 | #define ngx_free          free | 
 |  | 
 |  | 
 | /* | 
 |  * Linux has memalign() or posix_memalign() | 
 |  * Solaris has memalign() | 
 |  * FreeBSD 7.0 has posix_memalign(), besides, early version's malloc() | 
 |  * aligns allocations bigger than page size at the page boundary | 
 |  */ | 
 |  | 
 | #if (NGX_HAVE_POSIX_MEMALIGN || NGX_HAVE_MEMALIGN) | 
 |  | 
 | void *ngx_memalign(size_t alignment, size_t size, ngx_log_t *log); | 
 |  | 
 | #else | 
 |  | 
 | #define ngx_memalign(alignment, size, log)  ngx_alloc(size, log) | 
 |  | 
 | #endif | 
 |  | 
 |  | 
 | extern ngx_uint_t  ngx_pagesize; | 
 | extern ngx_uint_t  ngx_pagesize_shift; | 
 | extern ngx_uint_t  ngx_cacheline_size; | 
 |  | 
 |  | 
 | #endif /* _NGX_ALLOC_H_INCLUDED_ */ |