ref: b6e966d03ba5e331dae9fae1b05a9f97f9a1e272
dir: /sys/src/ape/lib/ap/plan9/sleep.c/
#include "lib.h" #include <unistd.h> #include <time.h> #include "sys9.h" unsigned int sleep(unsigned int secs) { time_t t0, t1; t0 = time(0); if(_SLEEP(secs*1000) < 0){ t1 = time(0); return t1-t0; } return 0; }