<html><body><div style="color:#000; background-color:#fff; font-family:tahoma, new york, times, serif;font-size:10pt"><div><span style="font-size: 10pt; ">in RTEMS POSIX API User’s Guide says rtems support 4 policy .my question is: assume I want to use FIFO for thread </span><span style="font-size: 10pt; font-family: Tahoma; "> scheduling in rtems</span><span style="font-size: 10pt; "> .when and how I should make change during config.</span><br></div><div style="font-family: tahoma, 'new york', times, serif; font-size: 10pt; "><div style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt; "><div id="yiv97713990">rtems supports multithread and should have a policy to <span style="font-family: Tahoma; font-size: 10pt; "> scheduling.is it right?</span><div style="font-family: tahoma, 'new york', times, serif; font-size: 10pt; "> <div style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt; ">
<div dir="ltr"> <font size="2" face="Arial"> <hr size="1"> <b><span style="font-weight:bold;">From:</span></b> Joel Sherrill <joel.sherrill@oarcorp.com><br> <b><span style="font-weight:bold;">To:</span></b> z f <zahra.faaaa@ymail.com> <br><b><span style="font-weight:bold;">Cc:</span></b> "rtems-users@rtems.org" <rtems-users@rtems.org> <br> <b><span style="font-weight:bold;">Sent:</span></b> Saturday, 21 July 2012, 22:05<br> <b><span style="
font-weight:bold;">Subject:</span></b> Re: Scheduling<br> </font> </div> <br>On 07/21/2012 12:27 PM, z f wrote:<br>> hi<br>> as I know rtems has 4 scheduling policies.how can we select one of them during configuration?<br>> thanks<br>In 4.10 and older, there is one scheduling algorithm which<br>can be impacted by use of task/thread priority, preemption settings<br>and timeslice settings.<br><br>In the git head, you can select alternative scheduling algorithms<br>as documented here:<br><br><a rel="nofollow" target="_blank" href="http://rtems.org/onlinedocs/doc-current/share/rtems/html/c_user/c_user_423.html#Configuring-a-System-Scheduler-Algorithm-Configuration">http://rtems.org/onlinedocs/doc-current/share/rtems/html/c_user/c_user_423.html#Configuring-a-System-Scheduler-Algorithm-Configuration</a><br><br>--joel<br><br><br> </div> </div> </div><br><br> </div> </div> </div></body></html>