add subprocess

1 files changed, 78 insertions, 2 deletions

diff --git a/core/src/xmake/process/prefix.h b/core/src/xmake/process/prefix.h
index becbb93e6..2b0fec706 100644
--- a/core/src/xmake/process/prefix.h
+++ b/core/src/xmake/process/prefix.h
@@ -1,7 +1,7 @@
 /*!A cross-platform build utility based on Lua
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
+ * you may not use this subprocess except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
@@ -15,7 +15,7 @@
  * Copyright (C) 2015 - 2019, TBOOX Open Source Group.
  *
  * @author      ruki
- * @file        prefix.h
+ * @subprocess        prefix.h
  *
  */
 #ifndef XM_PROCESS_PREFIX_H
@@ -26,6 +26,82 @@
  */
 #include "../prefix.h"
 
+/* //////////////////////////////////////////////////////////////////////////////////////
+ * macross
+ */
+
+// the subprocess udata type
+#define xm_subprocess_udata    "process._subprocess*"
+
+// return lock success
+#define xm_subprocess_return_success()       do { return 1; } while (0)
+
+// return lock error with reason
+#define xm_subprocess_return_error(lua, subprocess, reason)                                                           \
+    do                                                                                                                \
+    {                                                                                                                 \
+        lua_pushnil(lua);                                                                                             \
+        lua_pushfstring(lua, "error: %s (%s)", reason, subprocess->name);                                             \
+        return 2;                                                                                                     \
+    } while (0)
+
+// return closed error
+#define xm_subprocess_return_error_closed(lua)                                                                        \
+    do                                                                                                                \
+    {                                                                                                                 \
+        lua_pushnil(lua);                                                                                             \
+        lua_pushliteral(lua, "error: subprocess has been closed");                                                    \
+        return 2;                                                                                                     \
+    } while (0)
+
+/* //////////////////////////////////////////////////////////////////////////////////////
+ * types
+ */
+
+// the subprocess type
+typedef struct __xm_subprocess_t
+{
+    // the process reference
+    tb_process_ref_t    process;
+
+    // is opened?
+    tb_bool_t           is_opened;
+
+    // the process name
+    tb_char_t           name[32];
+
+} xm_subprocess_t;
+
+/* //////////////////////////////////////////////////////////////////////////////////////
+ * interfaces
+ */
+static __tb_inline__ xm_subprocess_t* xm_subprocess_new(lua_State* lua)
+{
+    // check
+    tb_assert_and_check_return_val(lua, tb_null);
+
+    // new subprocess
+    xm_subprocess_t* subprocess = (xm_subprocess_t*)lua_newuserdata(lua, sizeof(xm_subprocess_t));
+    tb_assert_and_check_return_val(subprocess, tb_null);
+
+    // init subprocess
+    luaL_getmetatable(lua, xm_subprocess_udata);
+    lua_setmetatable(lua, -2);
+    tb_memset(subprocess, 0, sizeof(xm_subprocess_t));
+    return subprocess;
+}
+
+static __tb_inline__ xm_subprocess_t* xm_subprocess_get(lua_State* lua)
+{
+    // check
+    tb_assert_and_check_return_val(lua, tb_null);
+
+    // get subprocess
+    xm_subprocess_t* subprocess = (xm_subprocess_t*)luaL_checkudata(lua, 1, xm_subprocess_udata);
+    tb_assert(subprocess);
+    return subprocess;
+}
+
 
 #endif