ref: 5d7a77cf57a1a3c1b5b1b8203fa9b53dc38561ed 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; }