Hi Michael
Michael Kerrisk wrote, On 07/02/12 18:25:
Hi Jon,
On Sun, Jan 22, 2012 at 10:48 AM, Jon Grant<jg@xxxxxxxx> wrote:
Hello
http://www.kernel.org/doc/man-pages/online/pages/man3/aio_error.3.html
Is this really positive?
Do you have some counter-evidence?
aio_return returns an int. POSIX and ISO C specifies errno as an int.
Neither say that it is a positive number.
http://pubs.opengroup.org/onlinepubs/009604599/functions/xsh_chap02_03.html
http://www.cl.cam.ac.uk/cgi-bin/manpage?3+errno
errno is an int, and the values I think are not
guaranteed to be positive (like with glibc). I work on a system where they
are all negative.
Error numbers are all positive. I don't understand your last sentence above.
This may be the case in glibc/linux, but in my experience it is not a
standard. "errno" is an int:
http://pubs.opengroup.org/onlinepubs/009604599/functions/xsh_chap02_03.html
I work on systems where the EFAULT, EINVAL etc are negative values. So
it depends if the man page documents linux/glibc specific
implementation, or the standards.
Do correct me if I have missed something.
Best regards, Jon
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