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author ImJezze <jezze@gmx.net>2016-02-21 11:48:45 +0100
committer ImJezze <jezze@gmx.net>2016-02-21 11:48:45 +0100
commitcc24a339d8c0517259084b5c178d784626ba965c (patch)
tree9868e9687b5802ae0a3733712a3bbeb3bc75c953 /3rdparty/luv/src/async.c
parentb5daabda5495dea5c50e17961ecfed2ea8619d76 (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.c63
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;
+}