1#define _GNU_SOURCE 2#include <signal.h> 3 4#define SST_SIZE (_NSIG / 8 / sizeof(long)) 5 6int sigorset(sigset_t* dest, const sigset_t* left, const sigset_t* right) { 7 unsigned long i = 0, *d = (void *)dest, *l = (void *)left, *r = (void *)right; 8 for (; i < SST_SIZE; i++) 9 d[i] = l[i] | r[i]; 10 return 0; 11} 12