[cadcdev-svn-commits] [SCM] branch master updated. v2.0.0-234-ga0c96f3

[Lawrence S. <ljs...@us...>]

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- Log -----------------------------------------------------------------
commit a0c96f374d6afe0afd1487d1cf88b6b8c138e310
Author: Lawrence Sebald <ljs...@us...>
Date:   Mon Jan 2 15:50:08 2017 -0500

    Include <sys/uio.h> from <sys/socket.h>.
    
    Per POSIX:
    "The <sys/socket.h> header shall define the iovec structure as described in <sys/uio.h>."

commit f61025745b30a1d5cc6f7b38e6ef8863b493dee6
Author: Lawrence Sebald <ljs...@us...>
Date:   Mon Jan 2 15:16:20 2017 -0500

    Move <kos/iovec.h> to <sys/uio.h>, as specified by POSIX.

-----------------------------------------------------------------------

Summary of changes:
 include/kos/iovec.h  |   24 ++++--------------------
 include/sys/_types.h |    5 +++++
 include/sys/socket.h |    3 ++-
 include/sys/uio.h    |   39 +++++++++++++++++++++++++++++++++++++++
 4 files changed, 50 insertions(+), 21 deletions(-)
 create mode 100644 include/sys/uio.h

diff --git a/include/kos/iovec.h b/include/kos/iovec.h
index cd0b54b..b835b38 100644
--- a/include/kos/iovec.h
+++ b/include/kos/iovec.h
@@ -1,35 +1,19 @@
 /* KallistiOS ##version##
 
    kos/iovec.h
-   Copyright (C)2001 Dan Potter
+   Copyright (C) 2001 Dan Potter
 
 */
 
 /** \file   kos/iovec.h
-    \brief  Scatter/Gather arrays.
+    \brief  Deprecated header file for I/O scatter/gather arrays.
 
-    This file contains the definition of a scatter/gather array.
-
-    \author Dan Potter
+    See <sys/uio.h> for what used to be here.
 */
 
 #ifndef __KOS_IOVEC_H
 #define __KOS_IOVEC_H
 
-#include <sys/cdefs.h>
-__BEGIN_DECLS
-
-#include <stddef.h>
-
-/** \brief  Scatter/Gather array.
-    \headerfile kos/iovec.h
-*/
-typedef struct iovec {
-    char    *iov_base;  /**< \brief Base address */
-    size_t  iov_len;    /**< \brief Length */
-} iovec_t;
-
-__END_DECLS
+#include <sys/uio.h>
 
 #endif  /* __KOS_IOVEC_H */
-
diff --git a/include/sys/_types.h b/include/sys/_types.h
index db252d9..69cb8d0 100644
--- a/include/sys/_types.h
+++ b/include/sys/_types.h
@@ -122,6 +122,11 @@ typedef void *_iconv_t;
 #define AT_REMOVEDIR            8
 #endif
 
+#ifndef IOV_MAX
+/** \brief  Maximum length of an iovec, in elements. */
+#define IOV_MAX                 1024
+#endif
+
 // And this is for old KOS source compatability.
 #include <arch/types.h>
 
diff --git a/include/sys/socket.h b/include/sys/socket.h
index 04fdfa7..fba088f 100644
--- a/include/sys/socket.h
+++ b/include/sys/socket.h
@@ -1,7 +1,7 @@
 /* KallistiOS ##version##
 
    sys/socket.h
-   Copyright (C)2006, 2010, 2012 Lawrence Sebald
+   Copyright (C) 2006, 2010, 2012, 2017 Lawrence Sebald
 
 */
 
@@ -23,6 +23,7 @@
 
 #include <sys/cdefs.h>
 #include <sys/types.h>
+#include <sys/uio.h>
 
 __BEGIN_DECLS
 
diff --git a/include/sys/uio.h b/include/sys/uio.h
new file mode 100644
index 0000000..1086559
--- /dev/null
+++ b/include/sys/uio.h
@@ -0,0 +1,39 @@
+/* KallistiOS ##version##
+
+   sys/uio.h
+   Copyright (C) 2017 Lawrence Sebald
+
+*/
+
+/** \file   sys/uio.h
+    \brief  Header for vector I/O.
+
+    This file contains definitions for vector I/O operations, as specified by
+    the POSIX 2008 specification. Full vector-based I/O is not supported for
+    file operations, but the stuff in here is still useful elsewhere.
+
+    \author Lawrence Sebald
+*/
+
+#ifndef __SYS_UIO_H
+#define __SYS_UIO_H
+
+#include <sys/cdefs.h>
+#include <sys/types.h>
+
+__BEGIN_DECLS
+
+/** \brief  I/O vector structure
+    \headerfile sys/iovec.h
+*/
+struct iovec {
+    /** \brief  Base address of memory for I/O. */
+    void * iov_base;
+    /** \brief  Size of memory pointed to by iov_base. */
+    size_t iov_len;
+};
+
+/** \brief  Old alias for the maximum length of an iovec. */
+#define UIO_MAXIOV IOV_MAX
+
+#endif /* __SYS_UIO_H */


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