ref: 5d97bbe236e4f46b535a4c15a90b81ee1d5cda9e 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; }