From: Vladislav Shpilevoy via Tarantool-patches <tarantool-patches@dev.tarantool.org> To: Cyrill Gorcunov <gorcunov@gmail.com>, tml <tarantool-patches@dev.tarantool.org> Subject: Re: [Tarantool-patches] [PATCH v12 2/8] module_cache: move module handling into own subsystem Date: Sun, 24 Jan 2021 17:26:48 +0100 [thread overview] Message-ID: <136716fc-7e19-6515-d18c-c0d3d0576a96@tarantool.org> (raw) In-Reply-To: <20210118203556.281700-3-gorcunov@gmail.com> Thanks for the patch! See 4 comments below. On 18.01.2021 21:35, Cyrill Gorcunov wrote: > The module handling should not be bound to particular > function implementation (we will have two users: already > existing functions for "_func" space, and a new upcoming > one which will be serving cbox submodule in next patch). 1. It is now cmod, not cbox. > For this sake all module related code is moved to > module_cache file where we do symbol resolving, calling > and tracking of symbol usage. > > Part-of #4642 > > Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com> > --- > diff --git a/src/box/module_cache.c b/src/box/module_cache.c > new file mode 100644 > index 000000000..9fe316807 > --- /dev/null > +++ b/src/box/module_cache.c > @@ -0,0 +1,513 @@ > +/* > + * SPDX-License-Identifier: BSD-2-Clause > + * > + * Copyright 2010-2021, Tarantool AUTHORS, please see AUTHORS file. > + */ > + > +#include <dlfcn.h> > +#include <fcntl.h> > +#include <stdlib.h> > +#include <string.h> > + > +#include "assoc.h" > +#include "diag.h" > +#include "error.h" > +#include "errinj.h" > +#include "fiber.h" > +#include "port.h" > + > +#include "box/error.h" 2. #include "error.h" and #include "box/error.h" are the same files. Because you are in box/ folder. > +#include "lua/utils.h" > +#include "libeio/eio.h" > + > +#include "module_cache.h" > + > +/** Modules name to descriptor hash. */ > +static struct mh_strnptr_t *mod_hash = NULL; > + > +int > +module_sym_load(struct module_sym *mod_sym) > +{ > + assert(mod_sym->addr == NULL); > + > + struct func_name name; > + func_split_name(mod_sym->name, &name); > + > + struct module *module = module_cache_find(name.package, name.package_end); > + if (module == NULL) { > + module = module_load(name.package, name.package_end); > + if (module == NULL) > + return -1; > + if (module_cache_add(module) != 0) { > + module_delete(module); > + return -1; > + } > + } > + > + mod_sym->addr = module_sym(module, name.sym); > + if (mod_sym->addr == NULL) > + return -1; 3. Is it correct, that you second time has deleted the bugfix which you did about module not being unloaded when first symbol load fails? > + > + mod_sym->module = module; > + rlist_add(&module->funcs_list, &mod_sym->item); > + return 0; > +} > diff --git a/src/box/module_cache.h b/src/box/module_cache.h > new file mode 100644 > index 000000000..fd789f603 > --- /dev/null > +++ b/src/box/module_cache.h > @@ -0,0 +1,139 @@ > +/* > + * SPDX-License-Identifier: BSD-2-Clause > + * > + * Copyright 2010-2021, Tarantool AUTHORS, please see AUTHORS file. > + */ > + > +#pragma once > + > +#include <small/rlist.h> 4. Please, use "" instead of <> for non-system headers.
next prev parent reply other threads:[~2021-01-24 16:27 UTC|newest] Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-01-18 20:35 [Tarantool-patches] [PATCH v12 0/8] box: implement cmod Lua module Cyrill Gorcunov via Tarantool-patches 2021-01-18 20:35 ` [Tarantool-patches] [PATCH v12 1/8] box/func: factor out c function entry structure Cyrill Gorcunov via Tarantool-patches 2021-01-18 20:35 ` [Tarantool-patches] [PATCH v12 2/8] module_cache: move module handling into own subsystem Cyrill Gorcunov via Tarantool-patches 2021-01-24 16:26 ` Vladislav Shpilevoy via Tarantool-patches [this message] 2021-01-25 8:52 ` Cyrill Gorcunov via Tarantool-patches 2021-01-18 20:35 ` [Tarantool-patches] [PATCH v12 3/8] module_cache: improve naming Cyrill Gorcunov via Tarantool-patches 2021-01-24 16:27 ` Vladislav Shpilevoy via Tarantool-patches 2021-01-24 22:32 ` Cyrill Gorcunov via Tarantool-patches 2021-01-30 18:53 ` Vladislav Shpilevoy via Tarantool-patches 2021-02-01 11:41 ` Cyrill Gorcunov via Tarantool-patches 2021-01-18 20:35 ` [Tarantool-patches] [PATCH v12 4/8] module_cache: direct update a cache value on reload Cyrill Gorcunov via Tarantool-patches 2021-01-19 12:46 ` Cyrill Gorcunov via Tarantool-patches 2021-01-24 16:27 ` Vladislav Shpilevoy via Tarantool-patches 2021-01-24 22:26 ` Cyrill Gorcunov via Tarantool-patches 2021-01-18 20:35 ` [Tarantool-patches] [PATCH v12 5/8] module_cache: rename calls to ref in module structure Cyrill Gorcunov via Tarantool-patches 2021-01-24 16:27 ` Vladislav Shpilevoy via Tarantool-patches 2021-01-25 10:29 ` Cyrill Gorcunov via Tarantool-patches 2021-01-18 20:35 ` [Tarantool-patches] [PATCH v12 6/8] module_cache: provide helpers to load and unload modules Cyrill Gorcunov via Tarantool-patches 2021-01-24 16:28 ` Vladislav Shpilevoy via Tarantool-patches 2021-01-18 20:35 ` [Tarantool-patches] [PATCH v12 7/8] box/cmod: implement cmod Lua module Cyrill Gorcunov via Tarantool-patches 2021-01-24 16:28 ` Vladislav Shpilevoy via Tarantool-patches 2021-01-25 16:50 ` Cyrill Gorcunov via Tarantool-patches 2021-01-30 18:53 ` Vladislav Shpilevoy via Tarantool-patches 2021-01-18 20:35 ` [Tarantool-patches] [PATCH v12 8/8] test: box/cfunc -- add cmod test Cyrill Gorcunov via Tarantool-patches 2021-01-24 16:28 ` Vladislav Shpilevoy via Tarantool-patches 2021-01-24 16:26 ` [Tarantool-patches] [PATCH v12 0/8] box: implement cmod Lua module Vladislav Shpilevoy via Tarantool-patches
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