2010-08-10 03:11:02 +00:00
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
< html > < head > < meta http-equiv = "Content-Type" content = "text/html;charset=UTF-8" >
< title > ChibiOS/RT: syscalls.c Source File< / title >
< link href = "custom.css" rel = "stylesheet" type = "text/css" >
< link href = "tabs.css" rel = "stylesheet" type = "text/css" >
< / head > < body >
< table style = "text-align: center; width: 100%;" border = "0"
cellpadding="2" cellspacing="2">
< tbody >
< tr >
< td style = "width: 80px;" > < img alt = "ChibiOS/RT Logo" src = "logo_small.png" > < / td >
< td > < big > < big > ChibiOS/RT< / big > < / big > < br > < br > Architecture - Reference Manual - Guides< / td >
< td style = "width: 80px;" > < / td >
< / tr >
< / tbody >
< / table >
< hr size = "1" >
2010-11-22 05:53:37 +00:00
<!-- Generated by Doxygen 1.7.1 -->
2010-08-10 03:11:02 +00:00
< div class = "navigation" id = "top" >
< div class = "tabs" >
2010-11-22 05:53:37 +00:00
< ul class = "tablist" >
2010-08-10 03:11:02 +00:00
< li > < a href = "main.html" > < span > Main Page< / span > < / a > < / li >
< li > < a href = "modules.html" > < span > Modules< / span > < / a > < / li >
< li > < a href = "annotated.html" > < span > Data Structures< / span > < / a > < / li >
< li class = "current" > < a href = "files.html" > < span > Files< / span > < / a > < / li >
< / ul >
< / div >
2010-11-22 05:53:37 +00:00
< div class = "tabs2" >
< ul class = "tablist" >
2010-08-10 03:11:02 +00:00
< li > < a href = "files.html" > < span > File List< / span > < / a > < / li >
< li > < a href = "globals.html" > < span > Globals< / span > < / a > < / li >
< / ul >
< / div >
2010-11-22 05:53:37 +00:00
< div class = "header" >
< div class = "headertitle" >
< h1 > syscalls.c< / h1 > < / div >
< / div >
< div class = "contents" >
< div class = "fragment" > < pre class = "fragment" > < a name = "l00001" > < / a > 00001 < span class = "comment" > /*< / span >
2010-08-10 03:11:02 +00:00
< a name = "l00002" > < / a > 00002 < span class = "comment" > ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.< / span >
< a name = "l00003" > < / a > 00003 < span class = "comment" > < / span >
< a name = "l00004" > < / a > 00004 < span class = "comment" > This file is part of ChibiOS/RT.< / span >
< a name = "l00005" > < / a > 00005 < span class = "comment" > < / span >
< a name = "l00006" > < / a > 00006 < span class = "comment" > ChibiOS/RT is free software; you can redistribute it and/or modify< / span >
< a name = "l00007" > < / a > 00007 < span class = "comment" > it under the terms of the GNU General Public License as published by< / span >
< a name = "l00008" > < / a > 00008 < span class = "comment" > the Free Software Foundation; either version 3 of the License, or< / span >
< a name = "l00009" > < / a > 00009 < span class = "comment" > (at your option) any later version.< / span >
< a name = "l00010" > < / a > 00010 < span class = "comment" > < / span >
< a name = "l00011" > < / a > 00011 < span class = "comment" > ChibiOS/RT is distributed in the hope that it will be useful,< / span >
< a name = "l00012" > < / a > 00012 < span class = "comment" > but WITHOUT ANY WARRANTY; without even the implied warranty of< / span >
< a name = "l00013" > < / a > 00013 < span class = "comment" > MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the< / span >
< a name = "l00014" > < / a > 00014 < span class = "comment" > GNU General Public License for more details.< / span >
< a name = "l00015" > < / a > 00015 < span class = "comment" > < / span >
< a name = "l00016" > < / a > 00016 < span class = "comment" > You should have received a copy of the GNU General Public License< / span >
< a name = "l00017" > < / a > 00017 < span class = "comment" > along with this program. If not, see < http://www.gnu.org/licenses/> .< / span >
< a name = "l00018" > < / a > 00018 < span class = "comment" > < / span >
< a name = "l00019" > < / a > 00019 < span class = "comment" > ---< / span >
< a name = "l00020" > < / a > 00020 < span class = "comment" > < / span >
< a name = "l00021" > < / a > 00021 < span class = "comment" > A special exception to the GPL can be applied should you wish to distribute< / span >
< a name = "l00022" > < / a > 00022 < span class = "comment" > a combined work that includes ChibiOS/RT, without being obliged to provide< / span >
< a name = "l00023" > < / a > 00023 < span class = "comment" > the source code for any proprietary components. See the file exception.txt< / span >
< a name = "l00024" > < / a > 00024 < span class = "comment" > for full details of how and when the exception can be applied.< / span >
< a name = "l00025" > < / a > 00025 < span class = "comment" > */< / span >
< a name = "l00026" > < / a > 00026 < span class = "comment" > /*< / span >
< a name = "l00027" > < / a > 00027 < span class = "comment" > * **** This file incorporates work covered by the following copyright and ****< / span >
< a name = "l00028" > < / a > 00028 < span class = "comment" > * **** permission notice: ****< / span >
< a name = "l00029" > < / a > 00029 < span class = "comment" > *< / span >
< a name = "l00030" > < / a > 00030 < span class = "comment" > * Copyright (c) 2009 by Michael Fischer. All rights reserved.< / span >
< a name = "l00031" > < / a > 00031 < span class = "comment" > *< / span >
< a name = "l00032" > < / a > 00032 < span class = "comment" > * Redistribution and use in source and binary forms, with or without< / span >
< a name = "l00033" > < / a > 00033 < span class = "comment" > * modification, are permitted provided that the following conditions< / span >
< a name = "l00034" > < / a > 00034 < span class = "comment" > * are met:< / span >
< a name = "l00035" > < / a > 00035 < span class = "comment" > *< / span >
< a name = "l00036" > < / a > 00036 < span class = "comment" > * 1. Redistributions of source code must retain the above copyright< / span >
< a name = "l00037" > < / a > 00037 < span class = "comment" > * notice, this list of conditions and the following disclaimer.< / span >
< a name = "l00038" > < / a > 00038 < span class = "comment" > * 2. Redistributions in binary form must reproduce the above copyright< / span >
< a name = "l00039" > < / a > 00039 < span class = "comment" > * notice, this list of conditions and the following disclaimer in the< / span >
< a name = "l00040" > < / a > 00040 < span class = "comment" > * documentation and/or other materials provided with the distribution.< / span >
< a name = "l00041" > < / a > 00041 < span class = "comment" > * 3. Neither the name of the author nor the names of its contributors may< / span >
< a name = "l00042" > < / a > 00042 < span class = "comment" > * be used to endorse or promote products derived from this software< / span >
< a name = "l00043" > < / a > 00043 < span class = "comment" > * without specific prior written permission.< / span >
< a name = "l00044" > < / a > 00044 < span class = "comment" > *< / span >
< a name = "l00045" > < / a > 00045 < span class = "comment" > * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS< / span >
< a name = "l00046" > < / a > 00046 < span class = "comment" > * " AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT< / span >
< a name = "l00047" > < / a > 00047 < span class = "comment" > * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS< / span >
< a name = "l00048" > < / a > 00048 < span class = "comment" > * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL< / span >
< a name = "l00049" > < / a > 00049 < span class = "comment" > * THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,< / span >
< a name = "l00050" > < / a > 00050 < span class = "comment" > * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,< / span >
< a name = "l00051" > < / a > 00051 < span class = "comment" > * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS< / span >
< a name = "l00052" > < / a > 00052 < span class = "comment" > * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED< / span >
< a name = "l00053" > < / a > 00053 < span class = "comment" > * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,< / span >
< a name = "l00054" > < / a > 00054 < span class = "comment" > * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF< / span >
< a name = "l00055" > < / a > 00055 < span class = "comment" > * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF< / span >
< a name = "l00056" > < / a > 00056 < span class = "comment" > * SUCH DAMAGE.< / span >
< a name = "l00057" > < / a > 00057 < span class = "comment" > *< / span >
< a name = "l00058" > < / a > 00058 < span class = "comment" > ****************************************************************************< / span >
< a name = "l00059" > < / a > 00059 < span class = "comment" > * History:< / span >
< a name = "l00060" > < / a > 00060 < span class = "comment" > *< / span >
< a name = "l00061" > < / a > 00061 < span class = "comment" > * 28.03.09 mifi First Version, based on the original syscall.c from< / span >
< a name = "l00062" > < / a > 00062 < span class = "comment" > * newlib version 1.17.0< / span >
< a name = "l00063" > < / a > 00063 < span class = "comment" > * 17.08.09 gdisirio Modified the file for use under ChibiOS/RT< / span >
< a name = "l00064" > < / a > 00064 < span class = "comment" > * 15.11.09 gdisirio Added read and write handling< / span >
< a name = "l00065" > < / a > 00065 < span class = "comment" > ****************************************************************************/< / span >
< a name = "l00066" > < / a > 00066
< a name = "l00067" > < / a > 00067 < span class = "preprocessor" > #include < stdlib.h> < / span >
< a name = "l00068" > < / a > 00068 < span class = "preprocessor" > #include < errno.h> < / span >
< a name = "l00069" > < / a > 00069 < span class = "preprocessor" > #include < string.h> < / span >
< a name = "l00070" > < / a > 00070 < span class = "preprocessor" > #include < sys/stat.h> < / span >
< a name = "l00071" > < / a > 00071 < span class = "preprocessor" > #include < sys/types.h> < / span >
< a name = "l00072" > < / a > 00072
< a name = "l00073" > < / a > 00073 < span class = "preprocessor" > #include " < a class = "code" href = "ch_8h.html" title = "ChibiOS/RT main include file." > ch.h< / a > " < / span >
< a name = "l00074" > < / a > 00074 < span class = "preprocessor" > #if defined(STDOUT_SD) || defined(STDIN_SD)< / span >
< a name = "l00075" > < / a > 00075 < span class = "preprocessor" > < / span > < span class = "preprocessor" > #include " < a class = "code" href = "hal_8h.html" title = "HAL subsystem header." > hal.h< / a > " < / span >
< a name = "l00076" > < / a > 00076 < span class = "preprocessor" > #endif< / span >
< a name = "l00077" > < / a > 00077 < span class = "preprocessor" > < / span >
< a name = "l00078" > < / a > 00078 < span class = "comment" > /***************************************************************************/< / span >
< a name = "l00079" > < / a > 00079
< a name = "l00080" > < / a > 00080 < span class = "keywordtype" > int< / span > _read_r(< span class = "keyword" > struct< / span > _reent *r, < span class = "keywordtype" > int< / span > file, < span class = "keywordtype" > char< / span > * ptr, < span class = "keywordtype" > int< / span > len)
< a name = "l00081" > < / a > 00081 {
< a name = "l00082" > < / a > 00082 (void)r;
< a name = "l00083" > < / a > 00083 < span class = "preprocessor" > #if defined(STDIN_SD)< / span >
< a name = "l00084" > < / a > 00084 < span class = "preprocessor" > < / span > < span class = "keywordflow" > if< / span > (!len || (file != 0)) {
< a name = "l00085" > < / a > 00085 __errno_r(r) = EINVAL;
< a name = "l00086" > < / a > 00086 < span class = "keywordflow" > return< / span > -1;
< a name = "l00087" > < / a > 00087 }
< a name = "l00088" > < / a > 00088 len = < a class = "code" href = "group___s_e_r_i_a_l.html#gaea89c5fcd751ae186568961846dcb906" title = "Direct blocking read from a SerialDriver." > sdRead< / a > (& STDIN_SD, (< a class = "code" href = "group___s_t_m8___c_o_r_e.html#gaba7bc1797add20fe3efdf37ced1182c5" > uint8_t< / a > *)ptr, (< span class = "keywordtype" > size_t< / span > )len);
< a name = "l00089" > < / a > 00089 < span class = "keywordflow" > return< / span > len;
< a name = "l00090" > < / a > 00090 < span class = "preprocessor" > #else< / span >
< a name = "l00091" > < / a > 00091 < span class = "preprocessor" > < / span > (void)file;
< a name = "l00092" > < / a > 00092 (void)ptr;
< a name = "l00093" > < / a > 00093 (void)len;
< a name = "l00094" > < / a > 00094 __errno_r(r) = EINVAL;
< a name = "l00095" > < / a > 00095 < span class = "keywordflow" > return< / span > -1;
< a name = "l00096" > < / a > 00096 < span class = "preprocessor" > #endif< / span >
< a name = "l00097" > < / a > 00097 < span class = "preprocessor" > < / span > }
< a name = "l00098" > < / a > 00098
< a name = "l00099" > < / a > 00099 < span class = "comment" > /***************************************************************************/< / span >
< a name = "l00100" > < / a > 00100
< a name = "l00101" > < / a > 00101 < span class = "keywordtype" > int< / span > _lseek_r(< span class = "keyword" > struct< / span > _reent *r, < span class = "keywordtype" > int< / span > file, < span class = "keywordtype" > int< / span > ptr, < span class = "keywordtype" > int< / span > dir)
< a name = "l00102" > < / a > 00102 {
< a name = "l00103" > < / a > 00103 (void)r;
< a name = "l00104" > < / a > 00104 (void)file;
< a name = "l00105" > < / a > 00105 (void)ptr;
< a name = "l00106" > < / a > 00106 (void)dir;
< a name = "l00107" > < / a > 00107
< a name = "l00108" > < / a > 00108 < span class = "keywordflow" > return< / span > 0;
< a name = "l00109" > < / a > 00109 }
< a name = "l00110" > < / a > 00110
< a name = "l00111" > < / a > 00111 < span class = "comment" > /***************************************************************************/< / span >
< a name = "l00112" > < / a > 00112
< a name = "l00113" > < / a > 00113 < span class = "keywordtype" > int< / span > _write_r(< span class = "keyword" > struct< / span > _reent *r, < span class = "keywordtype" > int< / span > file, < span class = "keywordtype" > char< / span > * ptr, < span class = "keywordtype" > int< / span > len)
< a name = "l00114" > < / a > 00114 {
< a name = "l00115" > < / a > 00115 (void)r;
< a name = "l00116" > < / a > 00116 (void)file;
< a name = "l00117" > < / a > 00117 (void)ptr;
< a name = "l00118" > < / a > 00118 < span class = "preprocessor" > #if defined(STDOUT_SD)< / span >
< a name = "l00119" > < / a > 00119 < span class = "preprocessor" > < / span > < span class = "keywordflow" > if< / span > (file != 1) {
< a name = "l00120" > < / a > 00120 __errno_r(r) = EINVAL;
< a name = "l00121" > < / a > 00121 < span class = "keywordflow" > return< / span > -1;
< a name = "l00122" > < / a > 00122 }
< a name = "l00123" > < / a > 00123 < a class = "code" href = "group___s_e_r_i_a_l.html#ga9b3aa2898a88d18fc148a60b9a5c3bc5" title = "Direct blocking write to a SerialDriver." > sdWrite< / a > (& STDOUT_SD, (< a class = "code" href = "group___s_t_m8___c_o_r_e.html#gaba7bc1797add20fe3efdf37ced1182c5" > uint8_t< / a > *)ptr, (< span class = "keywordtype" > size_t< / span > )len);
< a name = "l00124" > < / a > 00124 < span class = "preprocessor" > #endif< / span >
< a name = "l00125" > < / a > 00125 < span class = "preprocessor" > < / span > < span class = "keywordflow" > return< / span > len;
< a name = "l00126" > < / a > 00126 }
< a name = "l00127" > < / a > 00127
< a name = "l00128" > < / a > 00128 < span class = "comment" > /***************************************************************************/< / span >
< a name = "l00129" > < / a > 00129
< a name = "l00130" > < / a > 00130 < span class = "keywordtype" > int< / span > _close_r(< span class = "keyword" > struct< / span > _reent *r, < span class = "keywordtype" > int< / span > file)
< a name = "l00131" > < / a > 00131 {
< a name = "l00132" > < / a > 00132 (void)r;
< a name = "l00133" > < / a > 00133 (void)file;
< a name = "l00134" > < / a > 00134
< a name = "l00135" > < / a > 00135 < span class = "keywordflow" > return< / span > 0;
< a name = "l00136" > < / a > 00136 }
< a name = "l00137" > < / a > 00137
< a name = "l00138" > < / a > 00138 < span class = "comment" > /***************************************************************************/< / span >
< a name = "l00139" > < / a > 00139
< a name = "l00140" > < / a > 00140 caddr_t _sbrk_r(< span class = "keyword" > struct< / span > _reent *r, < span class = "keywordtype" > int< / span > incr)
< a name = "l00141" > < / a > 00141 {
< a name = "l00142" > < / a > 00142 < span class = "keywordtype" > void< / span > *p;
< a name = "l00143" > < / a > 00143
< a name = "l00144" > < / a > 00144 < a class = "code" href = "group__debug.html#ga6bb6c0f97caab3a66332c8bfbf7a3844" title = "Function parameter check." > chDbgCheck< / a > (incr > 0, < span class = "stringliteral" > " _sbrk_r" < / span > );
< a name = "l00145" > < / a > 00145
< a name = "l00146" > < / a > 00146 (void)r;
< a name = "l00147" > < / a > 00147 p = < a class = "code" href = "group__memcore.html#ga5394bda5b809ecf6b80b041b6b9ebaf4" title = "Allocates a memory block." > chCoreAlloc< / a > ((< span class = "keywordtype" > size_t< / span > )incr);
< a name = "l00148" > < / a > 00148 < span class = "keywordflow" > if< / span > (p == NULL) {
< a name = "l00149" > < / a > 00149 __errno_r(r) = ENOMEM;
< a name = "l00150" > < / a > 00150 < span class = "keywordflow" > return< / span > (caddr_t)-1;
< a name = "l00151" > < / a > 00151 }
< a name = "l00152" > < / a > 00152 < span class = "keywordflow" > return< / span > (caddr_t)p;
< a name = "l00153" > < / a > 00153 }
< a name = "l00154" > < / a > 00154
< a name = "l00155" > < / a > 00155 < span class = "comment" > /***************************************************************************/< / span >
< a name = "l00156" > < / a > 00156
< a name = "l00157" > < / a > 00157 < span class = "keywordtype" > int< / span > _fstat_r(< span class = "keyword" > struct< / span > _reent *r, < span class = "keywordtype" > int< / span > file, < span class = "keyword" > struct< / span > stat * st)
< a name = "l00158" > < / a > 00158 {
< a name = "l00159" > < / a > 00159 (void)r;
< a name = "l00160" > < / a > 00160 (void)file;
< a name = "l00161" > < / a > 00161
< a name = "l00162" > < / a > 00162 memset(st, 0, < span class = "keyword" > sizeof< / span > (*st));
< a name = "l00163" > < / a > 00163 st-> st_mode = S_IFCHR;
< a name = "l00164" > < / a > 00164 < span class = "keywordflow" > return< / span > 0;
< a name = "l00165" > < / a > 00165 }
< a name = "l00166" > < / a > 00166
< a name = "l00167" > < / a > 00167 < span class = "comment" > /***************************************************************************/< / span >
< a name = "l00168" > < / a > 00168
< a name = "l00169" > < / a > 00169 < span class = "keywordtype" > int< / span > _isatty_r(< span class = "keyword" > struct< / span > _reent *r, < span class = "keywordtype" > int< / span > fd)
< a name = "l00170" > < / a > 00170 {
< a name = "l00171" > < / a > 00171 (void)r;
< a name = "l00172" > < / a > 00172 (void)fd;
< a name = "l00173" > < / a > 00173
< a name = "l00174" > < / a > 00174 < span class = "keywordflow" > return< / span > 1;
< a name = "l00175" > < / a > 00175 }
< a name = "l00176" > < / a > 00176
< a name = "l00177" > < / a > 00177 < span class = "comment" > /*** EOF ***/< / span >
< / pre > < / div > < / div >
2010-11-22 05:53:37 +00:00
< / div >
2010-08-10 03:11:02 +00:00
< hr size = "1" > < address style = "text-align: right;" > < small >
2010-11-22 05:53:37 +00:00
Generated on Sun Oct 24 2010 09:40:37 for ChibiOS/RT by < a href = "http://www.doxygen.org/index.html" > < img src = "doxygen.png" alt = "doxygen" align = "middle" border = "0" > < / a > 1.7.1< / small > < / address >
2010-08-10 03:11:02 +00:00
< / body >
< / html >