diff options
author | 2016-02-21 11:48:45 +0100 | |
---|---|---|
committer | 2016-02-21 11:48:45 +0100 | |
commit | cc24a339d8c0517259084b5c178d784626ba965c (patch) | |
tree | 9868e9687b5802ae0a3733712a3bbeb3bc75c953 /3rdparty/luv/src/async.c | |
parent | b5daabda5495dea5c50e17961ecfed2ea8619d76 (diff) |
Merge remote-tracking branch 'refs/remotes/mamedev/master'
Second attempt
Diffstat (limited to '3rdparty/luv/src/async.c')
-rw-r--r-- | 3rdparty/luv/src/async.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/3rdparty/luv/src/async.c b/3rdparty/luv/src/async.c new file mode 100644 index 00000000000..87ae0cc0460 --- /dev/null +++ b/3rdparty/luv/src/async.c @@ -0,0 +1,63 @@ +/* + * Copyright 2014 The Luvit Authors. All Rights Reserved. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ +#include "luv.h" +#include "lthreadpool.h" + +static uv_async_t* luv_check_async(lua_State* L, int index) { + uv_async_t* handle = luv_checkudata(L, index, "uv_async"); + luaL_argcheck(L, handle->type == UV_ASYNC && handle->data, index, "Expected uv_async_t"); + return handle; +} + +static void luv_async_cb(uv_async_t* handle) { + lua_State* L = luv_state(handle->loop); + luv_handle_t* data = handle->data; + int n = luv_thread_arg_push(L, data->extra); + luv_call_callback(L, data, LUV_ASYNC, n); + luv_thread_arg_clear(data->extra); +} + +static int luv_new_async(lua_State* L) { + uv_async_t* handle; + luv_handle_t* data; + int ret; + luaL_checktype(L, 1, LUA_TFUNCTION); + handle = luv_newuserdata(L, sizeof(*handle)); + ret = uv_async_init(luv_loop(L), handle, luv_async_cb); + if (ret < 0) { + lua_pop(L, 1); + return luv_error(L, ret); + } + data = luv_setup_handle(L); + data->extra = malloc(sizeof(luv_thread_arg_t)); + memset(data->extra, 0, sizeof(luv_thread_arg_t)); + handle->data = data; + luv_check_callback(L, handle->data, LUV_ASYNC, 1); + return 1; +} + +static int luv_async_send(lua_State* L) { + int ret; + uv_async_t* handle = luv_check_async(L, 1); + luv_thread_arg_t* arg = ((luv_handle_t*) handle->data)->extra; + + luv_thread_arg_set(L, arg, 2, lua_gettop(L), 0); + ret = uv_async_send(handle); + if (ret < 0) return luv_error(L, ret); + lua_pushinteger(L, ret); + return 1; +} |