src/server/daemon/threadpools.c

Wed, 26 Oct 2016 15:53:56 +0200

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Wed, 26 Oct 2016 15:53:56 +0200
changeset 118
38bf6dd8f4e7
parent 92
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child 187
4384bfbb7e26
permissions
-rw-r--r--

adds minimal cgi implementation

some env vars still missing
request body not supported yet

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1 /*
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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3 *
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4 * Copyright 2013 Olaf Wintermann. All rights reserved.
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5 *
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6 * Redistribution and use in source and binary forms, with or without
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7 * modification, are permitted provided that the following conditions are met:
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8 *
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9 * 1. Redistributions of source code must retain the above copyright
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10 * notice, this list of conditions and the following disclaimer.
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11 *
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12 * 2. Redistributions in binary form must reproduce the above copyright
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13 * notice, this list of conditions and the following disclaimer in the
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14 * documentation and/or other materials provided with the distribution.
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15 *
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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26 * POSSIBILITY OF SUCH DAMAGE.
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27 */
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29 #include <stdio.h>
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30 #include <stdlib.h>
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31
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32 #include <ucx/map.h>
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34 #include "threadpools.h"
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37 UcxMap *thread_pool_map = NULL;
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38 int numthrpools = 0;
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40 threadpool_t *default_thread_pool = NULL;
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42 threadpool_t *last_thrpool_c = NULL;
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44 int create_threadpool(sstr_t name, ThreadPoolConfig *cfg) {
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45 if(thread_pool_map == NULL) {
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46 thread_pool_map = ucx_map_new(16);
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47 }
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49 threadpool_t *pool = ucx_map_sstr_get(thread_pool_map, name);
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50 if(pool) {
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51 if(pool->min_threads > cfg->max_threads) {
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52 pool->min_threads = cfg->min_threads;
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53 pool->max_threads = cfg->max_threads;
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54 } else {
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55 pool->max_threads = cfg->max_threads;
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56 pool->min_threads = cfg->min_threads;
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57 }
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58 return 0;
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59 } else {
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60 threadpool_t *tp = threadpool_new(cfg->min_threads, cfg->max_threads);
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62 int ret = ucx_map_sstr_put(thread_pool_map, name, tp);
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64 if(ret == 0) {
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65 numthrpools++;
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66 last_thrpool_c = tp;
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67 }
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69 return ret;
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70 }
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71 }
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73 int check_thread_pool_cfg() {
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74 if(numthrpools > 0 ) {
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75 if(default_thread_pool) {
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76 return 0;
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77 } else {
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78 default_thread_pool = last_thrpool_c;
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79 return 0;
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80 }
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81 }
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83 ThreadPoolConfig cfg;
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84 cfg.min_threads = 4;
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85 cfg.max_threads = 8;
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86 cfg.queue_size = 64;
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87 cfg.stack_size = 262144;
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88
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89 return create_threadpool(sstr("default"), &cfg);
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90 }
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91
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92 threadpool_t* get_default_threadpool() {
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93 return default_thread_pool;
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94 }
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96 threadpool_t* get_threadpool(sstr_t name) {
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97 return ucx_map_sstr_get(thread_pool_map, name);
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98 }

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