musl/include/sys/uio.h
Rich Felker 25e6fee27f remove LFS64 programming interfaces (macro-only) from _GNU_SOURCE
these badly pollute the namespace with macros whenever _GNU_SOURCE is
defined, which is always the case with g++, and especially tends to
interfere with C++ constructs.

as our implementation of these was macro-only, their removal cannot
affect any existing binaries. at the source level, portable software
should be prepared for them not to exist.

for now, they are left in place with explicit _LARGEFILE64_SOURCE.
this provides an easy temporary path for integrators/distributions to
get packages building again right away if they break while working on
a proper, upstreamable fix. the intent is that this be a very
short-term measure and that the macros be removed entirely in the next
release cycle.
2022-10-19 14:01:31 -04:00

49 lines
1.0 KiB
C

#ifndef _SYS_UIO_H
#define _SYS_UIO_H
#ifdef __cplusplus
extern "C" {
#endif
#include <features.h>
#define __NEED_size_t
#define __NEED_ssize_t
#define __NEED_struct_iovec
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
#define __NEED_off_t
#endif
#ifdef _GNU_SOURCE
#define __NEED_pid_t
#endif
#include <bits/alltypes.h>
#define UIO_MAXIOV 1024
ssize_t readv (int, const struct iovec *, int);
ssize_t writev (int, const struct iovec *, int);
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
ssize_t preadv (int, const struct iovec *, int, off_t);
ssize_t pwritev (int, const struct iovec *, int, off_t);
#if defined(_LARGEFILE64_SOURCE)
#define preadv64 preadv
#define pwritev64 pwritev
#define off64_t off_t
#endif
#endif
#ifdef _GNU_SOURCE
ssize_t process_vm_writev(pid_t, const struct iovec *, unsigned long, const struct iovec *, unsigned long, unsigned long);
ssize_t process_vm_readv(pid_t, const struct iovec *, unsigned long, const struct iovec *, unsigned long, unsigned long);
#endif
#ifdef __cplusplus
}
#endif
#endif