Re: Summary: Compatibility of old binaries with Solaris 2.1

From: Guy Harris (guy@Auspex.COM)
Date: Sun May 09 1993 - 15:20:01 CDT

>Moreover, it seems that some system calls are not supported
>under the compatibility mode, including pipe() and kill().

Interesting claim, but, if it's true, how then did the SunOS 4.1.3
version of "bc", which opens a pipe to "/usr/bin/dc", work on a SunOS
5.1 machine here?

(I.e., it works to some extent - it may be that it blows up in some
circumstances, but it's definitely not true that it *never* works.)

Similarly, the SunOS 4.1.3 "/usr/bin/kill" seemed to work OK on that
SunOS 5.1 machine - I ran that binary with the arguments "-ABRT <pid>",
and the process in question did, indeed, die with SIGABRT.

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