Added getfd method to io objects

brimworks · Nov 30, 2010 · e5bb88d · e5bb88d
1 parent be4b11c
commit e5bb88d
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Showing 2 changed files with 17 additions and 0 deletions.
diff --git a/io_lua_ev.c b/io_lua_ev.c
@@ -25,6 +25,7 @@ static int create_io_mt(lua_State *L) {
     static luaL_reg fns[] = {
         { "stop",          io_stop },
         { "start",         io_start },
+        { "getfd" ,        io_getfd },
         { NULL, NULL }
     };
     luaL_newmetatable(L, IO_MT);
@@ -99,3 +100,18 @@ static int io_start(lua_State *L) {
 
     return 0;
 }
+
+/**
+ * Returns the original file descriptor
+ * Usage:
+ * io:getfd ( )
+ *
+ * [+1, -0, e]
+ */
+static int io_getfd(lua_State *L) {
+    ev_io*       io  = check_io(L, 1);
+
+    lua_pushinteger ( L , io->fd );
+
+    return 1;
+}
diff --git a/lua_ev.h b/lua_ev.h
@@ -151,6 +151,7 @@ static int               io_new(lua_State* L);
 static void              io_cb(struct ev_loop* loop, ev_io* io, int revents);
 static int               io_stop(lua_State *L);
 static int               io_start(lua_State *L);
+static int               io_getfd(lua_State *L);
 
 /**
  * Signal functions: