annotate src/core/ngx_thread_pool.h @ 6272:b6a665bf858a

HTTP/2: fix indirect reprioritization. Previously, streams that were indirectly reprioritized (either because of a new exclusive dependency on their parent or because of removal of their parent from the dependency tree), didn't have their pointer to the parent node updated. This broke detection of circular dependencies and, as a result, nginx worker would crash due to stack overflow whenever such dependency was introduced. Found with afl-fuzz. Signed-off-by: Piotr Sikora <piotrsikora@google.com>
author Piotr Sikora <piotrsikora@google.com>
date Thu, 01 Oct 2015 20:25:55 -0700
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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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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_ */