ref: a74c7ca5ea3290dd55c6f2a03aa7c3bcd22d3f61 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 -1; }