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Re: [Bug-gnulib] addition: wait-process.h, wait-process.c
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From: |
Paul Eggert |
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Subject: |
Re: [Bug-gnulib] addition: wait-process.h, wait-process.c |
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Date: |
23 Apr 2003 13:53:28 -0700 |
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User-agent: |
Gnus/5.09 (Gnus v5.9.0) Emacs/21.3 |
Bruno Haible <address@hidden> writes:
> The main points of this code are:
> - to provide reasonable error messages,
> - to handle the return code 127 correctly (a convention specified
> in POSIX).
There is also a convention that the return code is 126 if exec failed
due to errno == ENOEXEC.
Also, some programs need to run code if waitpid fails with errno == EINTR.
Please look in diffutils-2.8.4 for some examples of both of these issues.