Messages in this thread |  | | Date | Fri, 5 Oct 2001 19:30:49 -0400 | From | Alex Pennace <> | Subject | Re: Desperately missing a working "pselect()" or similar... |
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On Sat, Oct 06, 2001 at 09:21:38AM +1000, Neil Brown wrote: > On Friday October 5, alex@pennace.org wrote: > > The select system call doesn't return EINTR when the signal is caught > > prior to entry into select. > > A technique I used in a similar situation once went something like: > > tv.tv_sec=bignum; > tv.tv_usec = 0; > enable_signals(); > select(nfds, &readfds,&writefds,0,&tv); > > and have the signal handlers set tv.tv_sec to 0. (tv is a global > variable).
I've thought about that, but I haven't been able to find any guarantee that there will be no user space futzing around with &tv, like a library wrapper that copies tv to another spot in memory and invokes the syscall with that address. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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