ref: 7aceac32e8fae763634f28cfccd9ce2356fccab5
dir: /sys/src/ape/lib/ap/plan9/_nap.c/
#include "lib.h" #include <unistd.h> #include <time.h> #include "sys9.h" /* * This is an extension to POSIX */ unsigned int _nap(unsigned int millisecs) { time_t t0, t1; t0 = time(0); if(_SLEEP(millisecs) < 0){ t1 = time(0); return t1-t0; } return 0; }