ref: 5b8d76f97715a3306cf1ef3d8aaa58b3ca40e48b dir: /sys/src/ape/lib/ap/plan9/pause.c/
#include "lib.h" #include <unistd.h> #include "sys9.h" int pause(void) { for(;;) if(_SLEEP(1000*1000) < 0) return; }