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Viewing changes to src/core/ngx_palloc.h

  • Committer: Package Import Robot
  • Author(s): Kartik Mistry
  • Date: 2013-04-25 12:51:45 UTC
  • mfrom: (1.3.28)
  • mto: (1.3.29) (15.1.2 experimental)
  • mto: This revision was merged to the branch mainline in revision 64.
  • Revision ID: package-import@ubuntu.com-20130425125145-ugl0wor6bq0u5eae
Tags: upstream-1.4.0
Import upstream version 1.4.0

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src/core/ngx_palloc.h
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/*
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 * Copyright (C) Igor Sysoev
 
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 * Copyright (C) Nginx, Inc.
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 */
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/*
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 * NGX_MAX_ALLOC_FROM_POOL should be (ngx_pagesize - 1), i.e. 4095 on x86.
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 * On FreeBSD 5.x it allows to use the zero copy sending.
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 * On Windows NT it decreases a number of locked pages in a kernel.
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 */
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#define NGX_MAX_ALLOC_FROM_POOL  (ngx_pagesize - 1)
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#define NGX_DEFAULT_POOL_SIZE    (16 * 1024)
 
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#define NGX_POOL_ALIGNMENT       16
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#define NGX_MIN_POOL_SIZE                                                     \
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    (sizeof(ngx_pool_t) + 2 * sizeof(ngx_pool_large_t))
 
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    ngx_align((sizeof(ngx_pool_t) + 2 * sizeof(ngx_pool_large_t)),            \
 
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              NGX_POOL_ALIGNMENT)
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typedef void (*ngx_pool_cleanup_pt)(void *data);
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};
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struct ngx_pool_s {
 
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typedef struct {
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    u_char               *last;
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    u_char               *end;
 
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    ngx_pool_t           *next;
 
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    ngx_uint_t            failed;
 
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} ngx_pool_data_t;
 
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struct ngx_pool_s {
 
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    ngx_pool_data_t       d;
 
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    size_t                max;
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    ngx_pool_t           *current;
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    ngx_chain_t          *chain;
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    ngx_pool_t           *next;
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    ngx_pool_large_t     *large;
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    ngx_pool_cleanup_t   *cleanup;
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    ngx_log_t            *log;
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ngx_pool_t *ngx_create_pool(size_t size, ngx_log_t *log);
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void ngx_destroy_pool(ngx_pool_t *pool);
 
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void ngx_reset_pool(ngx_pool_t *pool);
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void *ngx_palloc(ngx_pool_t *pool, size_t size);
 
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void *ngx_pnalloc(ngx_pool_t *pool, size_t size);
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void *ngx_pcalloc(ngx_pool_t *pool, size_t size);
 
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void *ngx_pmemalign(ngx_pool_t *pool, size_t size, size_t alignment);
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ngx_int_t ngx_pfree(ngx_pool_t *pool, void *p);
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ngx_pool_cleanup_t *ngx_pool_cleanup_add(ngx_pool_t *p, size_t size);
 
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void ngx_pool_run_cleanup_file(ngx_pool_t *p, ngx_fd_t fd);
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void ngx_pool_cleanup_file(void *data);
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void ngx_pool_delete_file(void *data);
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