ref: c3cbece4bef1e3a9bd5e8b5bed6a89ce327d4e92 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; }