/* An interface to read() that retries after interrupts. Copyright (C) 2002, 2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include <stddef.h> #ifdef __cplusplus extern "C" { #endif #define SAFE_READ_ERROR ((size_t) -1) /* Read up to COUNT bytes at BUF from descriptor FD, retrying if interrupted. Return the actual number of bytes read, zero for EOF, or SAFE_READ_ERROR upon error. */ extern size_t safe_read (int fd, void *buf, size_t count); #ifdef __cplusplus } #endif