ref: 61a7e15cb1ddb7b08f9bcbdb035e39af3d6a5e8d 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; }