ref: c9389e2d62cc34902bc0f7b4aebd6d1f7c33f51c 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; }