Declare new internal APIs: sock_sendmsg_t/sock_sendmsg, sock_recvmsg_t/sock_recvmsg.

src/include/sockio.h

@@ -11,35 +11,35 @@
 //
 //////////////////////////////////////////////////////////////////////////////
 /*
- *   This file is part of MiniGUI, a mature cross-platform windowing 
+ *   This file is part of MiniGUI, a mature cross-platform windowing
  *   and Graphics User Interface (GUI) support system for embedded systems
  *   and smart IoT devices.
- * 
+ *
  *   Copyright (C) 2002~2018, Beijing FMSoft Technologies Co., Ltd.
  *   Copyright (C) 1998~2002, WEI Yongming
- * 
+ *
  *   This program is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
  *   the Free Software Foundation, either version 3 of the License, or
  *   (at your option) any later version.
- * 
+ *
  *   This program is distributed in the hope that it will be useful,
  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *   GNU General Public License for more details.
- * 
+ *
  *   You should have received a copy of the GNU General Public License
  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
- * 
+ *
  *   Or,
- * 
+ *
  *   As this program is a library, any link to this program must follow
  *   GNU General Public License version 3 (GPLv3). If you cannot accept
  *   GPLv3, you need to be licensed from FMSoft.
- * 
+ *
  *   If you have got a commercial license of this program, please use it
  *   under the terms and conditions of the commercial license.
- * 
+ *
  *   For more information about the commercial license, please refer to
  *   <http://www.minigui.com/blog/minigui-licensing-policy/>.
  */
@@ -52,6 +52,13 @@
 #ifndef GUI_SOCKIO_H
     #define GUI_SOCKIO_H
 
+#include <sys/types.h>
+#include <sys/socket.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif  /* __cplusplus */
+
 #ifndef MINIGUI_H
 
 #define SOCKERR_IO          -1
@@ -60,21 +67,23 @@
 #define SOCKERR_TIMEOUT     -4
 #define SOCKERR_OK          0
 
-#ifdef __cplusplus
-extern "C" {
-#endif  /* __cplusplus */
-
-int sock_write_t (int fd, const void* buff, int count, unsigned int timeout);
-int sock_read_t (int fd, void* buff, int count, unsigned int timeout);
+ssize_t sock_write_t (int fd, const void* buff, size_t count, DWORD timeout);
+ssize_t sock_read_t (int fd, void* buff, size_t count, DWORD timeout);
 
 #define sock_write(fd, buff, count) sock_write_t(fd, buff, count, 0)
 #define sock_read(fd, buff, count) sock_read_t(fd, buff, count, 0)
 
+#endif // MINIGUI_H
+
+ssize_t sock_sendmsg_t (int fd, const struct msghdr *msg, int flags, DWORD timeout);
+ssize_t sock_recvmsg_t (int fd, struct msghdr *msg, int flags, DWORD timeout);
+
+#define sock_sendmsg(fd, msg, flags) sock_sendmsg_t(fd, msg, flags, 0)
+#define sock_recvmsg(fd, msg, flags) sock_recvmsg_t(fd, msg, flags, 0)
+
 #ifdef __cplusplus
 }
 #endif  /* __cplusplus */
 
-#endif // MINIGUI_H
-
 #endif // GUI_SOCKIO_H