1<assertions> 2 <assertion id="1" tag="ref:XSH6:42056:42057"> 3sigismember() tests whether the specified signal signo is in the 4specified set. 5 </assertion> 6 <assertion id="2" tag="ref:XSH6:42059:42062"> 7If an object is not initialized by sigemptyset() or sigfillset() before 8being supplied to sigismember(), then the result of sigismember is 9undefined. 10 </assertion> 11 <assertion id="3" tag="ref:XSH6:42064:42065"> 12sigismember() returns 1 if specified member exists in specified set 13 </assertion> 14 <assertion id="4" tag="ref:XSH6:42064:42065"> 15sigismember() returns 0 if specified member does not exist in specified 16set 17 </assertion> 18 <assertion id="5" tag="ref:XSH6:42064:42065"> 19sigismember() returns -1 and sets errno to indicate the error in case of 20unsuccessful completion. 21 </assertion> 22 <assertion id="6" tag="ref:XSH6:42067:42069"> 23sigismember() sets errno to [EINVAL] incase the signo 24argument is not a valid signal number. 25 </assertion> 26</assertions> 27