#include <signal.h>
int sigfillset(sigset_t *set);
Partially implemented
IEEE Std 1003.1-2017
The sigfillset() function shall initialize the signal set pointed to by set, such that all signals defined in this
volume of POSIX.1-2017 are included.
Upon successful completion, sigfillset() shall return 0; otherwise, it shall return -1 and set errno to indicate
the error.
No errors are defined.
Untested
None