Module: xenomai-forge
Branch: next
Commit: 1562a3f9811a22a9d7ea7d16c658a10e13d7e781
URL:
http://git.xenomai.org/?p=xenomai-forge.git;a=commit;h=1562a3f9811a22a9d7ea7d16c658a10e13d7e781
Author: Philippe Gerum <r...@xenomai.org>
Date: Thu Apr 24 17:21:35 2014 +0200
include/rtdm: fix rt_dev API wrappers
---
include/rtdm/rtdm.h | 26 +++++++++++++++++---------
1 file changed, 17 insertions(+), 9 deletions(-)
diff --git a/include/rtdm/rtdm.h b/include/rtdm/rtdm.h
index 92b228f..88deee6 100644
--- a/include/rtdm/rtdm.h
+++ b/include/rtdm/rtdm.h
@@ -41,6 +41,7 @@
#include <fcntl.h>
#include <stddef.h>
#include <stdint.h>
+#include <errno.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
@@ -51,15 +52,22 @@
*/
#ifndef RTDM_NO_DEFAULT_USER_API
-#define rt_dev_open __RT(open)
-#define rt_dev_socket __RT(socket)
-#define rt_dev_close __RT(close)
-#define rt_dev_ioctl __RT(ioctl)
-#define rt_dev_read __RT(read)
-#define rt_dev_write __RT(write)
-#define rt_dev_recvmsg __RT(recvmsg)
-#define rt_dev_sendmsg __RT(sendmsg)
-#define rt_dev_recvfrom __RT(recvfrom)
+#define rt_dev_call(__call, __args...) \
+({ \
+ int __ret; \
+ __ret = __RT(__call(__args)); \
+ __ret < 0 ? -errno : __ret; \
+})
+
+#define rt_dev_open(__args...) rt_dev_call(open, __args)
+#define rt_dev_socket(__args...) rt_dev_call(socket, __args)
+#define rt_dev_close(__args...) rt_dev_call(close, __args)
+#define rt_dev_ioctl(__args...) rt_dev_call(ioctl, __args)
+#define rt_dev_read(__args...) rt_dev_call(read, __args)
+#define rt_dev_write(__args...) rt_dev_call(write, __args)
+#define rt_dev_recvmsg(__args...) rt_dev_call(recvmsg, __args)
+#define rt_dev_sendmsg(__args...) rt_dev_call(sendmsg, __args)
+#define rt_dev_recvfrom(__args...) rt_dev_call(recvfrom, __args)
#endif /* !RTDM_NO_DEFAULT_USER_API */
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