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/* An interface to write() that retries after interrupts.
Copyright (C) 2002 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include <stddef.h>
#define SAFE_WRITE_ERROR ((size_t) -1)
/* Write up to COUNT bytes at BUF to descriptor FD, retrying if interrupted.
Return the actual number of bytes written, zero for EOF, or SAFE_WRITE_ERROR
upon error. */
extern size_t safe_write (int fd, const void *buf, size_t count);
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