X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=fd.c;h=46be22891e93f2f094f3118daef5780c067b4cea;hp=0fb796025945b2c33e59c6c8508d370626ac0c02;hb=45b4e8b0ba410fd929a341a9bf84b1ac3995d734;hpb=395aeb9da9c9cc2febe91b5a906c72e59e217594

diff --git a/fd.c b/fd.c
index 0fb79602..46be2289 100644
--- a/fd.c
+++ b/fd.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006-2009 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2006-2010 Andre Noll <maan@systemlinux.org>
  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
@@ -12,6 +12,7 @@
 #include <sys/mman.h>
 #include <fcntl.h>
 #include <sys/select.h>
+#include <sys/uio.h>
 
 #include "para.h"
 #include "error.h"
@@ -81,6 +82,27 @@ int write_nonblock(int fd, const char *buf, size_t len,
 	return written;
 }
 
+/**
+ * Simple wrapper for readv().
+ *
+ * \param fd The file descriptor to read from.
+ * \param iov Scatter/gather array used in readv().
+ * \param iovcnt Number of elements in \a iov.
+ *
+ * \return A negative error code on errors, the return value of the underlying
+ * call to readv() otherwise.
+ *
+ * \sa readv(2).
+ */
+int para_readv(int fd, struct iovec *iov, int iovcnt)
+{
+	int ret = readv(fd, iov, iovcnt);
+
+	if (ret < 0)
+		return -ERRNO_TO_PARA_ERROR(errno);
+	return ret;
+}
+
 /**
  * Check whether a file exists.
  *