--- libaitio/src/aio.c 2010/09/10 12:39:41 1.2 +++ libaitio/src/aio.c 2012/08/01 09:37:20 1.5.14.2 @@ -1,8 +1,58 @@ +/************************************************************************* +* (C) 2010 AITNET ltd - Sofia/Bulgaria - +* by Michael Pounov +* +* $Author: misho $ +* $Id: aio.c,v 1.5.14.2 2012/08/01 09:37:20 misho Exp $ +* +************************************************************************** +The ELWIX and AITNET software is distributed under the following +terms: + +All of the documentation and software included in the ELWIX and AITNET +Releases is copyrighted by ELWIX - Sofia/Bulgaria + +Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 + by Michael Pounov . All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions +are met: +1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. +2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. +3. All advertising materials mentioning features or use of this software + must display the following acknowledgement: +This product includes software developed by Michael Pounov +ELWIX - Embedded LightWeight unIX and its contributors. +4. Neither the name of AITNET nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND +ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +SUCH DAMAGE. +*/ #include "global.h" +/* default AIO completion request timeout */ +struct timespec aiots = { 10, 0 }; + + /* - * io_rread() Raw VFS read function + * io_rread() - Raw VFS read function + * * @fd = File handle * @buf = Read buffer * @nbytes = Read buffer size @@ -16,11 +66,11 @@ io_rread(int fd, void * __restrict buf, size_t nbytes, int ret; #ifdef AIO_OPS off_t old = 0; - struct aiocb acb; + struct aiocb acb, *racb; #endif if (!buf) { - io_SetErr(EINVAL, "Error:: invalid arguments ...\n"); + io_SetErr(EINVAL, "Invalid arguments"); return -1; } if (!nbytes) @@ -56,13 +106,15 @@ io_rread(int fd, void * __restrict buf, size_t nbytes, return -1; } +#if 0 while (aio_error(&acb) == EINPROGRESS); ret = aio_return(&acb); +#endif + ret = aio_waitcomplete(&racb, &aiots); if (ret == -1) { LOGERR; return -1; - } else - ret = acb.aio_nbytes; + } #else ret = pread(fd, buf, nbytes, offset); if (ret == -1) { @@ -78,7 +130,8 @@ io_rread(int fd, void * __restrict buf, size_t nbytes, } /* - * io_rwrite() Raw VFS write function + * io_rwrite() - Raw VFS write function + * * @fd = File handle * @buf = Write buffer * @nbytes = Write bytes from buffer @@ -91,11 +144,11 @@ io_rwrite(int fd, void * __restrict buf, size_t nbytes { int ret; #ifdef AIO_OPS - struct aiocb acb; + struct aiocb acb, *racb; #endif if (!buf) { - io_SetErr(EINVAL, "Error:: invalid arguments ...\n"); + io_SetErr(EINVAL, "Invalid arguments"); return -1; } if (!nbytes) @@ -120,13 +173,15 @@ io_rwrite(int fd, void * __restrict buf, size_t nbytes return -1; } +#if 0 while (aio_error(&acb) == EINPROGRESS); ret = aio_return(&acb); +#endif + ret = aio_waitcomplete(&racb, &aiots); if (ret == -1) { LOGERR; return -1; - } else - ret = acb.aio_nbytes; + } #else ret = pwrite(fd, buf, nbytes, offset); if (ret == -1) {