Messages in this thread | | | Date | Thu, 9 Feb 2006 10:02:44 +0100 (CET) | From | Bodo Eggert <> | Subject | Re: Question regarding /proc/<pid>/fd and pipes |
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On Wed, 8 Feb 2006, John Schmerge wrote:
> Thanks for the answer... I've got one more question: will the symlinks > to the pipe be the same for both the read and write ends in all > processes sharing the pipe?
It seems like yes. You can find it out by sinply trying it out.
> I've got some sort of funky race condition occurring between the read > from the pipe and the exiting of the process on the write-end of the pipe... > The read-process is supposed to exit after the write-process finishes > (and does in about 1/2 the time), but I think I'm seeing the read-process > blocked by something even after the write-process completes... Both top > and ps give no indication that the read-process is blocked on a read(2). > I've got some digging to do, but I'm thinking that this might actually be > a kernel bug.
Do you close() the writing end in the process that's supposed to read? -- Top 100 things you don't want the sysadmin to say: 98. What the hell!? - 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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