diff --git a/src/kernel/libroot/posix/sys/Jamfile b/src/kernel/libroot/posix/sys/Jamfile
index d9f6cd7492..5c3ec8cb11 100644
--- a/src/kernel/libroot/posix/sys/Jamfile
+++ b/src/kernel/libroot/posix/sys/Jamfile
@@ -11,6 +11,8 @@ KernelMergeObject posix_sys.o :
  	select.c
 	stat.c
  	sysctl.c
+ 	times.c
+ 	uio.c
  	umask.c
  	wait.c
 	: -fPIC -DPIC
diff --git a/src/kernel/libroot/posix/sys/times.c b/src/kernel/libroot/posix/sys/times.c
new file mode 100644
index 0000000000..e43d0ac758
--- /dev/null
+++ b/src/kernel/libroot/posix/sys/times.c
@@ -0,0 +1,24 @@
+/*
+** Copyright 2004, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
+** Distributed under the terms of the Haiku License.
+*/
+
+
+#include <OS.h>
+
+#include <sys/times.h>
+#include <time.h>
+
+
+clock_t
+times(struct tms *buffer)
+{
+	// ToDo: get some real values here!
+	buffer->tms_utime = 0;
+	buffer->tms_stime = 0;
+	buffer->tms_cutime = 0;
+	buffer->tms_cstime = 0;
+
+	return real_time_clock() * CLK_TCK;
+}
+
diff --git a/src/kernel/libroot/posix/sys/uio.c b/src/kernel/libroot/posix/sys/uio.c
new file mode 100644
index 0000000000..77eb2e1d7f
--- /dev/null
+++ b/src/kernel/libroot/posix/sys/uio.c
@@ -0,0 +1,55 @@
+/*
+** Copyright 2004, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
+** Distributed under the terms of the Haiku License.
+*/
+
+
+#include <syscalls.h>
+
+#include <sys/uio.h>
+#include <errno.h>
+
+
+#define RETURN_AND_SET_ERRNO(err) \
+	if (err < 0) { \
+		errno = err; \
+		return -1; \
+	} \
+	return err;
+
+
+ssize_t
+readv(int fd, const struct iovec *vecs, size_t count)
+{
+	ssize_t bytes = _kern_readv(fd, -1, vecs, count);
+
+	RETURN_AND_SET_ERRNO(bytes);
+}
+
+
+ssize_t
+readv_pos(int fd, off_t pos, const struct iovec *vecs, size_t count)
+{
+	ssize_t bytes = _kern_readv(fd, pos, vecs, count);
+
+	RETURN_AND_SET_ERRNO(bytes);
+}
+
+
+ssize_t
+writev(int fd, const struct iovec *vecs, size_t count)
+{
+	ssize_t bytes = _kern_writev(fd, -1, vecs, count);
+
+	RETURN_AND_SET_ERRNO(bytes);
+}
+
+
+ssize_t
+writev_pos(int fd, off_t pos, const struct iovec *vecs, size_t count)
+{
+	ssize_t bytes = _kern_writev(fd, pos, vecs, count);
+
+	RETURN_AND_SET_ERRNO(bytes);
+}
+