11-26-2009
Logins command exit status is 236 not 0
I have noticed that on version 11.23 I get exit status 236 from the
following command:
logins -oxl root ; echo $?
> 236
However on 11.31 I get the expected code 0
logins -oxl root ; echo $?
> 0
The output is correct for both versions and contains no error data.
Can anyone explain this ? Its causing problems with some automation
we are using which calls the logins command and check the exit status.
---------- Post updated 26-11-09 at 12:01 PM ---------- Previous update was 25-11-09 at 03:47 PM ----------
Update:
Further investigation as revealed this is hardware dependent.
IA64 with 11.23 OK exit code 0
IA64 with 11.31 OK exit code 0
RISC with 11.23 FAIL exit code 236 ******
IA64 with 11.31 OK exit code 0
RISC with 11.23 OK exit code 0
We still do not know why this is happening, still would love some
feedback if you can explain this..
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explain_ferror_or_die
explain_ferror_or_die(3) Library Functions Manual explain_ferror_or_die(3)
NAME
explain_ferror_or_die - check stream status and report errors
SYNOPSIS
#include <libexplain/ferror.h>
void explain_ferror_or_die(FILE *fp);
DESCRIPTION
The explain_ferror_or_die function is used to call the ferror(3) system call. On failure an explanation will be printed to stderr,
obtained from explain_ferror(3), and then the process terminates by calling exit(EXIT_FAILURE).
This function is intended to be used in a fashion similar to the following example:
explain_ferror_or_die(fp);
It is essential that this function cal be placed as close as possible to the I/O code that has caused the problem, otherwise intervening
code could have altered the errno global variable.
fp The fp, exactly as to be passed to the ferror(3) system call.
Returns:
This function only returns on success. On failure, prints an explanation and exits.
SEE ALSO
ferror(3)
check stream status
explain_ferror(3)
explain ferror(3) errors
exit(2) terminate the calling process
COPYRIGHT
libexplain version 0.52
Copyright (C) 2008 Peter Miller
explain_ferror_or_die(3)