Mail Archives: cygwin/2004/09/01/11:53:11
On Wed, 1 Sep 2004, Igor Pechtchanski wrote:
> [snip]
>
> > > > > What happens if you run xlintims from the command line?
> > > > >
> > > > > ./xlintims < stime.in
> > > >
> > > > I've gone through the entire library-build process again an everything
> > > > seems to be working as it should except when it comes to TIMING the
> > > > Linear Equations Routines.
> > >
> > > > Running the command "xlintims < stime.in" gives no output.
> > >
> > > What is the return code of that command? Try "echo $?" after running it.
> >
> > > > The Eigensystem Routines are working fine though.
> >
> > The return code is 128
>
> Well, then, "make" behaves as expected -- if the command returns a
> non-zero return code, it's an error as far as "make" is concerned. Is
> returning 128 the expected behavior for "xlintims"? If so, the Makefile
> is buggy -- it should ignore the return code. If not, then you have to
> debug "xlintims" -- figure out *why* it returns 128.
>
> FWIW, here's something of interest (from
> <http://scv.bu.edu/SCV/FAQ/batchcode.txt>, heavily snipped):
>
> When a program finishes executing it returns an exit code to the
> system. The batch system reports this exit code. There are three
> general ways for the exit code of a program to be set.
>
> 1) The program can explicitly call exit() (or return from main(),
> which eventually calls exit()). In this case the exit code is
> the argument to exit() and its meaning depends on the program.
> The call to exit() may actually occur in a library routine that
> your program uses. The only known example of this is the FORTRAN
> io library. The FORTRAN io routines set an exit code in the range
> 100 - 185 when an error occurs. The specific meaning of these codes
> can be found in the appendix to the Fortran 77 Programmer's Guide
> (available online as an insight book).
> 2) The program executes the last instruction in main(), (not
> calling exit() or return). In this case the system sets the
> exit code to 0.
> 3) The program can terminate due to the receipt of a signal. In
> this case the system sets the exit code to 128 + <signal number>.
> [snip]
>
> Here case 1 probably applies, since there's no signal 0. However,
> <http://www.ac3.edu.au/SGI_Developer/books/F77_PG/sgi_html/apa.html#id63629>,
> which is one place that lists the error codes, doesn't have an entry for
> 128. You're going to have to debug this yourself...
Ah, here's something:
<http://google.com/search?q=g77+run-time+error+messages+128> =>
128: "'new' file exists"
Isn't Google wonderful? Also available in "info g77" -> "Debugging and
Interfacing" -> "Run-time Library Errors" on your own machine.
Igor
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