ref: 3e7b452874b4a8e61f72f06ad0c19ce3b6979e59 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; }