Function lua_post_config

modules/lua/mod_lua.c:2024–2062

}

static int lua_post_config(apr_pool_t *pconf, apr_pool_t *plog,
                             apr_pool_t *ptemp, server_rec *s)
{
    apr_pool_t **pool;
    apr_status_t rs;

    if (ap_state_query(AP_SQ_MAIN_STATE) == AP_SQ_MS_CREATE_PRE_CONFIG)
        return OK;

    /* Create ivm mutex */
    rs = ap_global_mutex_create(&lua_ivm_mutex, NULL, "lua-ivm-shm", NULL,
                            s, pconf, 0);
    if (APR_SUCCESS != rs) {
        return HTTP_INTERNAL_SERVER_ERROR;
    }

    /* Create shared memory space, anonymous first if possible. */
    rs = apr_shm_create(&lua_ivm_shm, sizeof pool, NULL, pconf);
    if (APR_STATUS_IS_ENOTIMPL(rs)) {
        /* Fall back to filename-based; nuke any left-over first. */
        lua_ivm_shmfile = ap_runtime_dir_relative(pconf, DEFAULT_LUA_SHMFILE);

        apr_shm_remove(lua_ivm_shmfile, pconf);
        
        rs = apr_shm_create(&lua_ivm_shm, sizeof pool, lua_ivm_shmfile, pconf);
    }
    if (rs != APR_SUCCESS) {
        ap_log_error(APLOG_MARK, APLOG_ERR, rs, s, APLOGNO(02665)
            "mod_lua: Failed to create shared memory segment on file %s",
                     lua_ivm_shmfile ? lua_ivm_shmfile : "(anonymous)");
        return HTTP_INTERNAL_SERVER_ERROR;
    }
    pool = (apr_pool_t **)apr_shm_baseaddr_get(lua_ivm_shm);
    apr_pool_create(pool, pconf);
    apr_pool_tag(*pool, "mod_lua-shared");
    apr_pool_cleanup_register(pconf, NULL, shm_cleanup_wrapper,
                          apr_pool_cleanup_null);
    return OK;
}
static void *overlay_hook_specs(apr_pool_t *p,
                                        const void *key,
                                        apr_ssize_t klen,