1 /* full-write.c -- an interface to write that retries after interrupts
2 Copyright (C) 1993, 1994 Free Software Foundation, Inc.
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2, or (at your option)
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18 Copied largely from GNU C's cccp.c.
25 #include <sys/types.h>
36 /* Write LEN bytes at PTR to descriptor DESC, retrying if interrupted.
37 Return LEN upon success, write's (negative) error code otherwise.
38 As the name implies, this function writes all LEN bytes and returns
39 LEN or it fails and returns the negative value returned by the (final)
43 full_write (desc, ptr, len)
53 int written = write (desc, ptr, len);
62 total_written += written;