src/os/unix/ngx_alloc.h - nginx-1.7.10

Macros defined

_NGX_ALLOC_H_INCLUDED_
ngx_free
ngx_memalign

Source code



/*

 * Copyright (C) Igor Sysoev

 * Copyright (C) Nginx, Inc.

 */





#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_ */