ref: 1211f12e03cb1af1ea3ec5f3ae0159d393a3d9e8 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; }