Messages in this thread | | | Date | Thu, 7 Jun 2007 11:06:23 +0100 | From | Alan Cox <> | Subject | Re: [patch 7/8] fdmap v2 - implement sys_socket2 |
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> I don't think it's a matter of versioning. Many userspace libraries > expects their fds to be compact (for many reasons - they use select, they > use them to index 0-based arrays, etc...), and if the kernel suddendly > starts returning values in the 1<<28 up arena, they sure won't be happy. > So I believe that the correct way is that the caller specifically selects > the feature, leaving the legacy fd allocation as default.
I don't understand the connection between this paragraph (with which I agree) and the urge to add a ton of ugly syscall hacks. "Caller specifically selects feature" - > prctl(). Libraries get unhappy -> linker issue. - 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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