/* * vim: sw=2 ts=2 expandtab * * "THE PIZZA-WARE LICENSE" (derived from "THE BEER-WARE LICENCE"): * Thomas Kolb wrote this file. As long as you retain this * notice you can do whatever you want with this stuff. If we meet some day, * and you think this stuff is worth it, you can buy me a pizza in return. * - Thomas Kolb */ #include #include #include #include "utils.h" extern int num_modules; double get_hires_time(void) { struct timespec clk; clock_gettime(CLOCK_REALTIME, &clk); return clk.tv_sec + 1e-9 * clk.tv_nsec; } void fsleep(double d) { struct timespec ts; ts.tv_sec = (time_t)d; ts.tv_nsec = (long)(1e9 * (d - (long)d)); nanosleep(&ts, NULL); } void sleep_until(double hires_time) { struct timespec tv; int ret; tv.tv_sec = hires_time; tv.tv_nsec = (uint64_t)(1e9 * hires_time) % 1000000000; do { ret = clock_nanosleep(CLOCK_REALTIME, TIMER_ABSTIME, &tv, NULL); } while(ret == EINTR); } int idx(int strip, int module) { return strip * num_modules + module; }