ref: 72be22cd3ad8236dba47d3c56d1ba8af5b16a1c2 dir: /sys/src/ape/lib/ap/plan9/sigpending.c/
#include <signal.h> /* * BUG: don't keep track of these */ int sigpending(sigset_t *set) { *set = 0; return 0; }