1 <assertions> 2 <assertion id="1" tag="ref:XSH6:41814:41815"> 3 sigdelset() deletes signal signo from signal set set. 4 </assertion> 5 <assertion id="2" tag="ref:XSH6:41816:41820"> 6 The results are undefined if an object does not call sigemptyset() or sigfillset() 7 before calling sigdelset(). 8 </assertion> 9 <assertion id="3" tag="ref:XSH6:41822:41822"> 10 sigdelset() returns 0 on success. 11 </assertion> 12 <assertion id="4" tag="ref:XSH6:41822:41823"> 13 sigdelset() returns -1 when not successful. It also sets errno to 14 indicate the error. 15 </assertion> 16 <assertion id="5" tag="ref:XSH6:41825:41827"> 17 If the signo argument is not a valid signal number or is an unsupported 18 signal number, the sigdelset() function will fail with error EINVAL. 19 </assertion> 20 </assertions> 21
