Mercurial > hg > nginx
diff src/http/ngx_http_core_module.c @ 6022:1fdba317ee6d
Added support for offloading read() in thread pools.
author | Valentin Bartenev <vbart@nginx.com> |
---|---|
date | Sat, 14 Mar 2015 17:37:25 +0300 |
parents | 942283a53c28 |
children | 42d9beeb22db |
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--- a/src/http/ngx_http_core_module.c +++ b/src/http/ngx_http_core_module.c @@ -3624,6 +3624,10 @@ ngx_http_core_create_loc_conf(ngx_conf_t clcf->sendfile = NGX_CONF_UNSET; clcf->sendfile_max_chunk = NGX_CONF_UNSET_SIZE; clcf->aio = NGX_CONF_UNSET; +#if (NGX_THREADS) + clcf->thread_pool = NGX_CONF_UNSET_PTR; + clcf->thread_pool_value = NGX_CONF_UNSET_PTR; +#endif clcf->read_ahead = NGX_CONF_UNSET_SIZE; clcf->directio = NGX_CONF_UNSET; clcf->directio_alignment = NGX_CONF_UNSET; @@ -3839,7 +3843,14 @@ ngx_http_core_merge_loc_conf(ngx_conf_t ngx_conf_merge_value(conf->sendfile, prev->sendfile, 0); ngx_conf_merge_size_value(conf->sendfile_max_chunk, prev->sendfile_max_chunk, 0); +#if (NGX_HAVE_FILE_AIO || NGX_THREADS) ngx_conf_merge_value(conf->aio, prev->aio, NGX_HTTP_AIO_OFF); +#endif +#if (NGX_THREADS) + ngx_conf_merge_ptr_value(conf->thread_pool, prev->thread_pool, NULL); + ngx_conf_merge_ptr_value(conf->thread_pool_value, prev->thread_pool_value, + NULL); +#endif ngx_conf_merge_size_value(conf->read_ahead, prev->read_ahead, 0); ngx_conf_merge_off_value(conf->directio, prev->directio, NGX_OPEN_FILE_DIRECTIO_OFF); @@ -4644,6 +4655,11 @@ ngx_http_core_set_aio(ngx_conf_t *cf, ng return "is duplicate"; } +#if (NGX_THREADS) + clcf->thread_pool = NULL; + clcf->thread_pool_value = NULL; +#endif + value = cf->args->elts; if (ngx_strcmp(value[1].data, "off") == 0) { @@ -4676,6 +4692,64 @@ ngx_http_core_set_aio(ngx_conf_t *cf, ng #endif + if (ngx_strncmp(value[1].data, "threads", 7) == 0 + && (value[1].len == 7 || value[1].data[7] == '=')) + { +#if (NGX_THREADS) + ngx_str_t name; + ngx_thread_pool_t *tp; + ngx_http_complex_value_t cv; + ngx_http_compile_complex_value_t ccv; + + clcf->aio = NGX_HTTP_AIO_THREADS; + + if (value[1].len >= 8) { + name.len = value[1].len - 8; + name.data = value[1].data + 8; + + ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); + + ccv.cf = cf; + ccv.value = &name; + ccv.complex_value = &cv; + + if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { + return NGX_CONF_ERROR; + } + + if (cv.lengths != NULL) { + clcf->thread_pool_value = ngx_palloc(cf->pool, + sizeof(ngx_http_complex_value_t)); + if (clcf->thread_pool_value == NULL) { + return NGX_CONF_ERROR; + } + + *clcf->thread_pool_value = cv; + + return NGX_CONF_OK; + } + + tp = ngx_thread_pool_add(cf, &name); + + } else { + tp = ngx_thread_pool_add(cf, NULL); + } + + if (tp == NULL) { + return NGX_CONF_ERROR; + } + + clcf->thread_pool = tp; + + return NGX_CONF_OK; +#else + ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, + "\"aio threads\" " + "is unsupported on this platform"); + return NGX_CONF_ERROR; +#endif + } + return "invalid value"; }