<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 14 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri","sans-serif";
mso-fareast-language:EN-US;}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:purple;
text-decoration:underline;}
pre
{mso-style-priority:99;
mso-style-link:"Pr\00E9format\00E9 HTML Car";
margin:0cm;
margin-bottom:.0001pt;
font-size:10.0pt;
font-family:"Courier New";}
span.EmailStyle17
{mso-style-type:personal-compose;
font-family:"Arial","sans-serif";
color:windowtext;}
span.PrformatHTMLCar
{mso-style-name:"Pr\00E9format\00E9 HTML Car";
mso-style-priority:99;
mso-style-link:"Pr\00E9format\00E9 HTML";
font-family:"Courier New";
mso-fareast-language:FR;}
.MsoChpDefault
{mso-style-type:export-only;
font-family:"Calibri","sans-serif";
mso-fareast-language:EN-US;}
@page WordSection1
{size:612.0pt 792.0pt;
margin:70.85pt 70.85pt 70.85pt 70.85pt;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></head><body lang=FR link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-family:"Arial","sans-serif"'> Hi Ross,<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Arial","sans-serif"'>I am connecting quite a lot of RTSP client to live555MediaServer.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Arial","sans-serif"'>But when the filedescriptor number is over 1024 (which is the FD_SETSIZE of the operating system), the process abort in the well know internalError abort.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal style='margin-left:35.4pt'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";background:silver;mso-highlight:silver;mso-fareast-language:FR'>BasicTaskScheduler::SingleStep(): select() fails: Bad file descriptor<o:p></o:p></span></p><p class=MsoNormal style='margin-left:35.4pt'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";background:silver;mso-highlight:silver;mso-fareast-language:FR'>socket numbers used in the select() call: …… 1113(e) 1115(e) 1119(e) 1121(e) 1123(e) 1125(e) 1129(e) 1131(e) …</span><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR'><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Arial","sans-serif"'>As each RTSP client needs about 4 filedescriptors (RTSP,RTP,RTCP, file), the 1024 limits is reached with about 250 clients.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Arial","sans-serif"'>I guess this occurs because BasicTaskScheduler::SingleStep read after the end of the fd_set structures.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Arial","sans-serif"'>In order to avoid to reach the abort, I try an extra sanity check inside BasicTaskScheduler::setBackgroundHandling<o:p></o:p></span></p><p class=MsoNormal style='margin-left:35.4pt'><span lang=EN-US style='font-family:"Arial","sans-serif";background:silver;mso-highlight:silver'>void BasicTaskScheduler::setBackgroundHandling(int socketNum, int conditionSet, BackgroundHandlerProc* handlerrProc, void * clientData) {<o:p></o:p></span></p><p class=MsoNormal style='margin-left:35.4pt;text-indent:35.4pt'><span lang=EN-US style='font-family:"Arial","sans-serif";background:silver;mso-highlight:silver'>if ( (socketNum <0) || (socketNum >= FD_SETSIZE) ) return;<o:p></o:p></span></p><p class=MsoNormal style='margin-left:35.4pt;text-indent:35.4pt'><span lang=EN-US style='font-family:"Arial","sans-serif";background:silver;mso-highlight:silver'>…</span><span lang=EN-US style='font-family:"Arial","sans-serif"'><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Arial","sans-serif"'>Doing like this, avoid abort, but it doesnot inform the RTSPClient that its socket was refused. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Arial","sans-serif"'>Such a thing need a feedback from setBackgroundHandling.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Arial","sans-serif"'>Thanks again for your support,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Arial","sans-serif"'> Michel.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Arial","sans-serif";mso-fareast-language:FR'>[@@ THALES GROUP INTERNAL @@]<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>