/*

 * Copyright (C) Igor Sysoev

 * Copyright (C) Nginx, Inc.

 */

#include <ngx_config.h>

#include <ngx_core.h>

ngx_uint_t  ngx_pagesize;

ngx_uint_t  ngx_pagesize_shift;

ngx_uint_t  ngx_cacheline_size;

void *

ngx_alloc(size_t size, ngx_log_t *log)

{

    void  *p;

    p = malloc(size);

    if (p == NULL) {

        ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,

                      "malloc(%uz) failed", size);

    }

    ngx_log_debug2(NGX_LOG_DEBUG_ALLOC, log, 0, "malloc: %p:%uz", p, size);

    return p;

}

void *

ngx_calloc(size_t size, ngx_log_t *log)

{

    void  *p;

    p = ngx_alloc(size, log);

    if (p) {

        ngx_memzero(p, size);

    }

    return p;

}

#if (NGX_HAVE_POSIX_MEMALIGN)

void *

ngx_memalign(size_t alignment, size_t size, ngx_log_t *log)

{

    void  *p;

    int    err;

    err = posix_memalign(&p, alignment, size);

    if (err) {

        ngx_log_error(NGX_LOG_EMERG, log, err,

                      "posix_memalign(%uz, %uz) failed", alignment, size);

        p = NULL;

    }

    ngx_log_debug3(NGX_LOG_DEBUG_ALLOC, log, 0,

                   "posix_memalign: %p:%uz @%uz", p, size, alignment);

    return p;

}

#elif (NGX_HAVE_MEMALIGN)

void *

ngx_memalign(size_t alignment, size_t size, ngx_log_t *log)

{

    void  *p;

    p = memalign(alignment, size);

    if (p == NULL) {

        ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,

                      "memalign(%uz, %uz) failed", alignment, size);

    }

    ngx_log_debug3(NGX_LOG_DEBUG_ALLOC, log, 0,

                   "memalign: %p:%uz @%uz", p, size, alignment);

    return p;

}

#endif