[BusyBox] Re: syslogd sometimes dies writing to remote logger

[Larry Doolittle]

> BTW, looking through the code, I noticed that the MARK message is
> written from inside a signal handler. I think, but can't be sure, the
> crash happened at the time a MARK was expected. I've restarted syslogd
> without MARK writing to see what happens.
> Is the code kosher? I was taught way back in the early days of Unix that
> one should not do anything more in a signal handler than setting a flag.

That's old-style paranoia.  The SUS2 sigaction page
   http://www.opengroup.org/onlinepubs/007908799/xsh/sigaction.html
lists 76 base functions that are permitted inside signal handlers.
write() is on the list.

       - Larry