diff options
| author | Roland McGrath <roland@gnu.org> | 1999-06-22 23:56:08 +0000 |
|---|---|---|
| committer | Roland McGrath <roland@gnu.org> | 1999-06-22 23:56:08 +0000 |
| commit | 8b2134db5eb503216886522e11db88d74446c64d (patch) | |
| tree | 1caa1ac50bf57fa8d2079aaa2f75a06b376fcb9c /hurd/hurd | |
| parent | 725af56f3adb3ea40cc4e58d1c9e0215e71186ba (diff) | |
1999-06-23 Roland McGrath <roland@baalperazim.frob.com>
* sysdeps/mach/hurd/read.c (__libc_read): Just call __pread with
OFFSET argument of (off_t) -1.
* sysdeps/mach/hurd/write.c (__libc_write): Just call __pwrite with
OFFSET argument of (off_t) -1.
* sysdeps/mach/hurd/pwrite.c: New file.
* sysdeps/mach/hurd/pread.c: New file.
* hurd/fd-read.c (_hurd_fd_read): Take new parameter OFFSET and
pass it in the RPC instead of always -1.
* hurd/fd-write.c (_hurd_fd_write): Likewise.
* hurd/hurd/fd.h: Update decls.
Diffstat (limited to 'hurd/hurd')
| -rw-r--r-- | hurd/hurd/fd.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/hurd/hurd/fd.h b/hurd/hurd/fd.h index aa48f21acf..7e5a9781e0 100644 --- a/hurd/hurd/fd.h +++ b/hurd/hurd/fd.h @@ -1,5 +1,5 @@ /* File descriptors. - Copyright (C) 1993,94,95,96,97,98 Free Software Foundation, Inc. + Copyright (C) 1993,94,95,96,97,98, 99 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -208,12 +208,14 @@ extern struct hurd_fd *_hurd_new_fd (io_t port, io_t ctty); extern error_t _hurd_fd_close (struct hurd_fd *fd); -/* Read and write data from a file descriptor; just like `read' and `write'. +/* Read and write data from a file descriptor; just like `read' and `write' + if OFFSET is -1, or like `pread' and `pwrite' if OFFSET is not -1. If successful, stores the amount actually read or written in *NBYTES. */ -extern error_t _hurd_fd_read (struct hurd_fd *fd, void *buf, size_t *nbytes); +extern error_t _hurd_fd_read (struct hurd_fd *fd, + void *buf, size_t *nbytes, off_t offset); extern error_t _hurd_fd_write (struct hurd_fd *fd, - const void *buf, size_t *nbytes); + const void *buf, size_t *nbytes, off_t offset); /* Call *RPC on PORT and/or CTTY; if a call on CTTY returns EBACKGROUND, |