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/* ISC license. */
/* MT-unsafe */
#include <skalibs/nonposix.h>
#include <signal.h>
#include <errno.h>
#include <skalibs/functypes.h>
#include <skalibs/sig.h>
#include <skalibs/nsig.h>
/*
We don't want to fail on non-catchable signals,
even if sigaction() does.
*/
int sig_catch (int sig, sig_func_ref f)
{
struct sigaction action = { .sa_handler = f, .sa_flags = SA_RESTART | SA_NOCLDSTOP } ;
sigfillset(&action.sa_mask) ;
return sigaction(sig, &action, 0) >= 0
|| (errno == EINVAL && sig >= 1 && sig < SKALIBS_NSIG) ;
}
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