mirror of
https://github.com/tuxbox-neutrino/neutrino.git
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154 lines
5.1 KiB
C++
154 lines
5.1 KiB
C++
/******************************************************************************
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* Copyright (c) 2011 by Robert G. Jakabosky <bobby@sharedrealm.com>
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* Copyright (c) 2015 M. Liebmann (micha-bbg)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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******************************************************************************/
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#ifndef _LLTHREAD_H_
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#define _LLTHREAD_H_
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extern "C"
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{
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#include <lua.h>
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#include <lauxlib.h>
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#include <lualib.h>
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}
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#include <pthread.h>
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/* wrap strerror_r(). */
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#ifndef strerror_r
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#define strerror_r __strerror_r
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#endif
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#define OS_THREAD_RETURN void *
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#define INFINITE_JOIN_TIMEOUT -1
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#define JOIN_OK 0
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#define JOIN_ETIMEDOUT ETIMEDOUT
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typedef int join_timeout_t;
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typedef pthread_t os_thread_t;
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#define ERROR_LEN 1024
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#define flags_t unsigned char
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#define FLAG_NONE (flags_t)0
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#define FLAG_STARTED (flags_t)1<<0
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#define FLAG_DETACHED (flags_t)1<<1
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#define FLAG_JOINED (flags_t)1<<2
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#define FLAG_JOINABLE (flags_t)1<<3
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/*At least one flag*/
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#define FLAG_IS_SET(O, F) (O->flags & (flags_t)(F))
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#define FLAG_SET(O, F) O->flags |= (flags_t)(F)
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#define FLAG_UNSET(O, F) O->flags &= ~((flags_t)(F))
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#define IS(O, F) FLAG_IS_SET(O, FLAG_##F)
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#define SET(O, F) FLAG_SET(O, FLAG_##F)
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#define ALLOC_STRUCT(S) (S*)calloc(1, sizeof(S))
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#define FREE_STRUCT(O) free(O)
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#define LLTHREAD_NAME "threads"
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#define LLTHREAD_TAG LLTHREAD_NAME
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#define LLTHREAD_LOGGER_HOLDER LLTHREAD_NAME " logger holder"
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typedef struct llthread_child_t {
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lua_State* L;
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int status;
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flags_t flags;
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} llthread_child_t;
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typedef struct llthread_t {
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llthread_child_t* child;
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os_thread_t thread;
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flags_t flags;
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} llthread_t;
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typedef struct {
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lua_State* from_L;
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lua_State* to_L;
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int has_cache;
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int cache_idx;
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int is_arg;
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} llthread_copy_state;
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#if LUA_VERSION_NUM >= 503 /* Lua 5.3 */
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#ifndef luaL_optint
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# define luaL_optint luaL_optinteger
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#endif
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#ifndef luaL_checkint
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# define luaL_checkint luaL_checkinteger
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#endif
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#endif /* Lua 5.3 */
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int __strerror_r(int err, char* buf, size_t len);
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class CLLThread
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{
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public:
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CLLThread() {};
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// ~CLLThread() {};
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static CLLThread* getInstance();
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static void LuaThreadsRegister(lua_State *L);
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private:
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static void llthread_log(lua_State *L, const char *hdr, const char *msg);
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static int fail(lua_State *L, const char *msg);
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static int traceback (lua_State *L);
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static void open_thread_libs(lua_State *L);
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static llthread_child_t *llthread_child_new();
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static llthread_t *llthread_new();
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static int llthread_push_args(lua_State *L, llthread_child_t *child, int idx, int top);
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static int llthread_push_results(lua_State *L, llthread_child_t *child, int idx, int top);
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static void llthread_validate(llthread_t *_this);
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static llthread_t *llthread_create(lua_State *L, const char *code, size_t code_len);
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static llthread_t *l_llthread_at (lua_State *L, int i);
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static void llthread_child_destroy(llthread_child_t *_this);
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static void llthread_cleanup_child(llthread_t *_this);
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static int llthread_detach(llthread_t *_this);
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static void* llthread_child_thread_run(void *arg);
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static int llthread_start(llthread_t *_this, int start_detached, int joinable);
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static int llthread_cancel(llthread_t *_this);
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static int llthread_join(llthread_t *_this, join_timeout_t timeout);
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static void llthread_destroy(llthread_t *_this);
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static int llthread_alive(llthread_t *_this);
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/* copy.cpp */
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static int llthread_copy_table_from_cache(llthread_copy_state *state, int idx);
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static int llthread_copy_value(llthread_copy_state *state, int depth, int idx);
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static int llthread_copy_values(lua_State *from_L, lua_State *to_L, int idx, int top, int is_arg);
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/* lua_functions.cpp */
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static int l_llthread_new(lua_State *L);
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static int l_llthread_start(lua_State *L);
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static int l_llthread_cancel(lua_State *L);
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static int l_llthread_join(lua_State *L);
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static int l_llthread_alive(lua_State *L);
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static int l_llthread_set_logger(lua_State *L);
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static int l_llthread_started(lua_State *L);
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static int l_llthread_detached(lua_State *L);
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static int l_llthread_joinable(lua_State *L);
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static int l_llthread_delete(lua_State *L);
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};
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#endif // _LLTHREAD_H_
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