ref: 1fdeb8aaa2491c3410c618e3d8f7d0dc75c0a28b 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; }