jcs.org
Serenity Operating System
1/*
2 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
3 *
4 * SPDX-License-Identifier: BSD-2-Clause
5 */
6
7#include <bits/pthread_cancel.h>
8#include <errno.h>
9#include <sys/uio.h>
10#include <syscall.h>
11
12extern "C" {
13
14ssize_t writev(int fd, const struct iovec* iov, int iov_count)
15{
16 return pwritev(fd, iov, iov_count, -1);
17}
18
19ssize_t readv(int fd, const struct iovec* iov, int iov_count)
20{
21 __pthread_maybe_cancel();
22
23 int rc = syscall(SC_readv, fd, iov, iov_count);
24 __RETURN_WITH_ERRNO(rc, rc, -1);
25}
26
27ssize_t pwritev(int fd, struct iovec const* iov, int iov_count, off_t offset)
28{
29 __pthread_maybe_cancel();
30
31 int rc = syscall(SC_pwritev, fd, iov, iov_count, &offset);
32 __RETURN_WITH_ERRNO(rc, rc, -1);
33}
34}