Print

Print


It is possible  XrdSysCondVar::WaitMS() burns all CPU if abstime is invalid. The pthread_cond_timedwait exit with EINVAL in this case.

To reproduce the bug change line https://github.com/xrootd/xrootd/blob/master/src/XrdSys/XrdSysPthread.cc#L141 to:
tval.tv_sec  = tnow.tv_sec  +  sec -1;



You can merge this Pull Request by running:

  git pull https://github.com/alja/xrootd waitMS_bugfix

Or you can view, comment on it, or merge it online at:

  https://github.com/xrootd/xrootd/pull/111

-- Commit Summary --

  * Fix 100% CPU usage in XrdSysCondVar::WaitMS when abstime in pthread_cond_timedwait is invalid.

-- File Changes --

    M src/XrdSys/XrdSysPthread.cc (3)

-- Patch Links --

https://github.com/xrootd/xrootd/pull/111.patch
https://github.com/xrootd/xrootd/pull/111.diff

---
Reply to this email directly or view it on GitHub:
https://github.com/xrootd/xrootd/pull/111

########################################################################
Use REPLY-ALL to reply to list

To unsubscribe from the XROOTD-DEV list, click the following link:
https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=XROOTD-DEV&A=1