1#include <signal.h> 2#include <string.h> 3 4int sigemptyset(sigset_t* set) { 5 set->__bits[0] = 0; 6 if (sizeof(long) == 4 || _NSIG > 65) 7 set->__bits[1] = 0; 8 if (sizeof(long) == 4 && _NSIG > 65) { 9 set->__bits[2] = 0; 10 set->__bits[3] = 0; 11 } 12 return 0; 13} 14