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Hi Matevz, All of xrootd avoids signals like the plague . The only exceptions is server-side async I/O where it's required for portability. Then again, of late, everyone turns that capability off. Anyway, signals aren't really needed any more and just produce a lot of obtuse difficult to maintain code. So, I don't see any way you can do this using signals but Lukasz may have a way of doing this otherwise, However why are you using sync reads anyway? If this is a problem you should be using async reads. Andy -----Original Message----- From: Matevz Tadel Sent: Monday, March 17, 2014 2:19 PM To: xrootd-dev Subject: XrdCl interrupting sync read Hi, I tried to figure out how sigs are masked and handled in xrootd -- but they don't seem to be used at all (or they are wrapped very well :) ) -- so maybe the whole thing below is a nono. Is it safe to signal a thread doing a synchronous XrdClFile::Read() to make it come back with the equivalent of EINTR? What signal should I use for that? The thread is owned by me ... so I can install signal handlers if it's needed. Cheers, Matevz ######################################################################## 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 ######################################################################## 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