ref: 57b20be7670925f2b3c0a4e56ca5e5c5348e7f6f 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; }