2013/5/31 Nala Ginrut <[email protected]> > On Fri, 2013-05-31 at 14:24 +0800, Xin Wang wrote: > > > > > > > Thank you for pointing out this. > > > > > > After some more search, I found that pthread has function pthread_kill > > [1], which can be used to send signal to specific thread. > > > > > > No sure if it can be used to implement similar behaviour. > > > > > > [1] > > > http://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_kill.html > > > At least in Linux, pthread_kill may effect the whole process: > ----------------------------cut---------------------------------- > Signal dispositions are process-wide: if a signal handler is > installed, the handler will be invoked in the thread thread, > but if the disposition of the signal is "stop", "continue", or > "terminate", this action will affect the whole process. > ----------------------------end---------------------------------- > > The real solution for your purpose is green-thread IMO. > > I see.
But I think it is still doable, although not elegant. We can establish a signal handler to exit specific thread instead of a global terminate disposition, and then in thread pthread_sigmask() can be used to block that signal temporarily, before calling out-guard part of dynamic-wind. Some sample C code: https://gist.github.com/dram/5683646 > > > > > > > Regards, > > > Xin Wang > > > > > > > > > > >
