Scott Lamb wrote:
> Scott Lamb wrote:
> > You could just do a pthread_sigmask() before and after the 
> > pthread_setspecific() to guarantee that no SIGPIPE will arrive on that 
> > thread in that time. I think it's pretty safe to assume that as long as 
> > you're not doing a pthread_[gs]etspecific() on that same pthread_key_t, 
> > it's safe.
> 
> Actually, thinking about this a bit more, that might not even be 
> necessary. Is SIGPIPE-via-(read|write) synchronous or asynchronous? 
> (I.e., is the SIGPIPE guaranteed to arrive during the offending system 
> call?) I was thinking not, but maybe yes. I can't seem to find a 
> straight answer. A lot of documents seem to confuse thread-directed and 
> synchronous, when they're not quite the same thing. SIGALRM-via-alarm() 
> is thread-directed but obviously asynchronous.

SIGPIPE is a sychronous signal that is called during the read() in
libpq.  I am not sure what thread-directed is.

-- 
  Bruce Momjian                        |  http://candle.pha.pa.us
  [EMAIL PROTECTED]               |  (610) 359-1001
  +  If your life is a hard drive,     |  13 Roberts Road
  +  Christ can be your backup.        |  Newtown Square, Pennsylvania 19073

---------------------------(end of broadcast)---------------------------
TIP 4: Don't 'kill -9' the postmaster

Reply via email to