Dňa Thursday 25 September 2008 14:23:09 Stefan Hundhammer ste napísal:
> On Donnerstag, 25. September 2008, Stanislav Visnovsky wrote:
> > Exit codes:
> > 0 - everything fine
> > 1 - too few arguments
> > 5 - error in arguments
> > 16 - generic client error
> > 16 + x - client returned 'x' as exit code
>
> By lucky coincidence, the UI uses exit codes that are consistent with this:
>
> YUIComponent::setServerOptions(...)
> {
> ...
> else if ( strcmp( argv[i], "--macro" ) == 0 )
> {
> if ( i+1 >= argc )
> {
> y2error( "Missing arg for '--macro'" );
> fprintf( stderr, "y2base: Missing argument for --macro\n" );
> exit( 1 );
> }
> }
>
> void YUI::topmostConstructorHasFinished()
> {
> ...
> if ( _withThreads )
> {
> if ( pipe( pipe_from_ui ) == 0 &&
> pipe( pipe_to_ui ) == 0 )
> {
> ...
> }
> else
> {
> yuiError() << "pipe() failed: errno: " << errno << " " << strerror(
> errno ) << endl;
> exit(2);
> }
> }
>
>
> But we should remain aware that there might be more reasons for some part
> of that complex framework to prematurely call exit(). Most of them are very
> pathological cases, but they might still happen, and we should be careful
> to avoid reporting them in misleading ways -- e.g., as "bad parameters"
> when some syscall early in the start-up process failed.
Yes. Sounds like having the enum with standard ones in genericfrontend.cc is
not a good idea - we need header file and require all exit() calls to use
values from the enum there.
Stano
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