ref: 5f68df8fbb0e90f1657c0bd9bbc1b12e62fe4edd 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; }