1 <assertions> 2 <assertion id="1" tag="ref:XSH6:41693:41694"> 3 sigaddset() adds signal signo to signal set set. 4 </assertion> 5 <assertion id="2" tag="ref:XSH6:41695:41699"> 6 If an application sends an object of type sigset_t to sigaddset() without 7 first calling sigemptyset() or sigfillset(), the results are undefined. 8 </assertion> 9 <assertion id="3" tag="ref:XSH6:41701:41701"> 10 sigaddset() returns 0 on success. 11 </assertion> 12 <assertion id="4" tag="ref:XSH6:41701:41702"> 13 sigaddset() return -1 if not successful. It also sets errno to indicate the 14 error. 15 </assertion> 16 <assertion id="5" tag="ref:XSH6:41703:41705"> 17 If the value of the signo argument is an invalid or unsupported signal 18 number, sigaddset() will return EINVAL error status. 19 </assertion> 20 </assertions> 21
