ref: 58fe582ca95df1f8474fba6fd8d4a1fa9a6d9b1c 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; }