sigismember.c raw

   1  #include <signal.h>
   2  
   3  int sigismember(const sigset_t *set, int sig)
   4  {
   5  	unsigned s = sig-1;
   6  	if (s >= _NSIG-1) return 0;
   7  	return !!(set->__bits[s/8/sizeof *set->__bits] & 1UL<<(s&8*sizeof *set->__bits-1));
   8  }
   9