ref: 4b8f7a2110d80fdad0f09f376dbfd2204e2e8f8e 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; }