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Hello,
I've recently stumbled upon following problem in SDL 1.2 trunk (I'm,
using Vincent's latest cross GCC under Linux).
Someone altered code for Quit routine in SDL and it looks like this
(here is snippet):
#ifdef HAVE_SIGNAL_H
#include <signal.h>
#endif
ifdef HAVE_SIGACTION
struct sigaction action;
sigaction(SIGINT, NULL, &action);
if ( action.sa_handler == SIG_DFL && action.sa_sigaction ==
(void*)SIG_DFL ) {
action.sa_handler = SDL_HandleSIG;
sigaction(SIGINT, &action, NULL);
}
sigaction(SIGTERM, NULL, &action);
if ( action.sa_handler == SIG_DFL && action.sa_sigaction ==
(void*)SIG_DFL ) {
action.sa_handler = SDL_HandleSIG;
sigaction(SIGTERM, &action, NULL);
}
The problem is that compiler complains that action struct doesn't have
member 'sa_sigaction', so lines:
if ( action.sa_handler == SIG_DFL && action.sa_sigaction ==
(void*)SIG_DFL )
and
if ( action.sa_handler == SIG_DFL && action.sa_sigaction == (void*)SIG_DFL )
break the build.
This 'sa_sigaction' looks like standard thing, but I don't have any idea
why it isn't defined. I've tried to look into the signal.h and I saw
only some scary things ;).
Anyone has an idea how it should be fixed? Besides removing
sa_sigaction part completely, if this possible at all? And why
sa_sigaction isn't valid?
Regards,
Pawel Goralski
nokturnal@nokturnal.pl
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