ref: 63f6121f8b6ff4b3e47bff2d02b4cc1a4331f071 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; }