ref: e3f5a83c3e1c8c7757eaf77ba50dae2ad0ff2ca1 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; }