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annotate src/core/ngx_thread_pool.h @ 7674:7731c710796f

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Memcached: protect from too long responses. If a memcached response was followed by a correct trailer, and then the NUL character followed by some extra data - this was accepted by the trailer checking code. This in turn resulted in ctx->rest underflow and caused negative size buffer on the next reading from the upstream, followed by the "negative size buf in writer" alert. Fix is to always check for too long responses, so a correct trailer cannot be followed by extra data.
author Maxim Dounin <mdounin@mdounin.ru>
date Mon, 06 Jul 2020 18:36:17 +0300
parents 466bd63b63d1
children
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1
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2 /*
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3 * Copyright (C) Nginx, Inc.
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4 * Copyright (C) Valentin V. Bartenev
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5 */
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8 #ifndef _NGX_THREAD_POOL_H_INCLUDED_
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9 #define _NGX_THREAD_POOL_H_INCLUDED_
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12 #include <ngx_config.h>
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13 #include <ngx_core.h>
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14 #include <ngx_event.h>
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16
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17 struct ngx_thread_task_s {
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18 ngx_thread_task_t *next;
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19 ngx_uint_t id;
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20 void *ctx;
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21 void (*handler)(void *data, ngx_log_t *log);
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22 ngx_event_t event;
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23 };
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26 typedef struct ngx_thread_pool_s ngx_thread_pool_t;
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29 ngx_thread_pool_t *ngx_thread_pool_add(ngx_conf_t *cf, ngx_str_t *name);
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30 ngx_thread_pool_t *ngx_thread_pool_get(ngx_cycle_t *cycle, ngx_str_t *name);
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31
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32 ngx_thread_task_t *ngx_thread_task_alloc(ngx_pool_t *pool, size_t size);
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33 ngx_int_t ngx_thread_task_post(ngx_thread_pool_t *tp, ngx_thread_task_t *task);
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36 #endif /* _NGX_THREAD_POOL_H_INCLUDED_ */