1#ifndef _SYS_UIO_H
 2#define _SYS_UIO_H
 3
 4#ifdef __cplusplus
 5extern "C" {
 6#endif
 7
 8#include <features.h>
 9
10#define __NEED_size_t
11#define __NEED_ssize_t
12#define __NEED_struct_iovec
13
14#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
15#define __NEED_off_t
16#endif
17
18#ifdef _GNU_SOURCE
19#define __NEED_pid_t
20#endif
21
22#include <bits/alltypes.h>
23
24#define UIO_MAXIOV 1024
25
26ssize_t readv (int, const struct iovec *, int);
27ssize_t writev (int, const struct iovec *, int);
28
29#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
30ssize_t preadv (int, const struct iovec *, int, off_t);
31ssize_t pwritev (int, const struct iovec *, int, off_t);
32#if defined(_LARGEFILE64_SOURCE) || defined(_GNU_SOURCE)
33#define preadv64 preadv
34#define pwritev64 pwritev
35#define off64_t off_t
36#endif
37#endif
38
39#ifdef __wasilibc_unmodified_upstream // Wasm doesn't have these Linux-specific functions
40#ifdef _GNU_SOURCE
41ssize_t process_vm_writev(pid_t, const struct iovec *, unsigned long, const struct iovec *, unsigned long, unsigned long);
42ssize_t process_vm_readv(pid_t, const struct iovec *, unsigned long, const struct iovec *, unsigned long, unsigned long);
43ssize_t preadv2 (int, const struct iovec *, int, off_t, int);
44ssize_t pwritev2 (int, const struct iovec *, int, off_t, int);
45#define RWF_HIPRI 0x00000001
46#define RWF_DSYNC 0x00000002
47#define RWF_SYNC 0x00000004
48#define RWF_NOWAIT 0x00000008
49#define RWF_APPEND 0x00000010
50#endif
51#endif
52
53#ifdef __cplusplus
54}
55#endif
56
57#endif