1<assertions> 2 <assertion id="1" tag="ref:XSH6:42248:42250"> 3sigpending() stores the set of signals blocked from delivery to the calling 4thread and that are pending on the process or calling thread in set. 5 </assertion> 6 <assertion id="2" tag="ref:XSH6:42252:42252"> 7sigpending() returns 0 on success. 8 </assertion> 9 <assertion id="3" tag="ref:XSH6:42252:42255"> 10sigpending() returns -1 when not successful. It also sets errno to 11indicate the error. [There is no value of errno defined for sigpending.] 12 </assertion> 13</assertions> 14 15