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</o:shapelayout></xml><![endif]--></head><body lang=KO link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Dear Sir,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'>I need O_DIRECT option for calling open() function for handling file I/O.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'>As I check from posix-users.pdf document, there is not O_DIRECT option for calling open() function.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'>There is supporting options from RTEMS POSIX document in below;<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:28.0pt;mso-para-margin-left:0gd;text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'>          </span></span></span><![endif]><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'>O_RDONLY, O_WRONLY, O_RDWR<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:28.0pt;mso-para-margin-left:0gd;text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'>          </span></span></span><![endif]><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'>O_APPEND, O_CREAT, O_EXCL, O_NOCTTY, O_NONBLOCK, O_TRUNC<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'>If O_DIRECT option is not supported by RTEMS, I should find alternative method.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Please advise me.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Calibri",sans-serif'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Best Regards,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri",sans-serif'>JunBeom Kim<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri",sans-serif'>~~~~~~~~~~~~~~~~~~~~~~<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri",sans-serif'>President / EmbedCoreTech<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Phone: +82-31-396-5584<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Fax: +82-504-065-5720<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Mobile:+82-10-6425-5720<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Email: <a href="mailto:jbkim@e-coretech.kr"><span style='color:blue'>jbkim@e-coretech.kr</span></a> <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Web: <a href="http://www.e-coretech.kr"><span style='color:blue'>www.e-coretech.kr</span></a> <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri",sans-serif'>~~~~~~~~~~~~~~~~~~~~~~</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div></body></html>