+
−/* 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);