/* sleeps # of seconds */ void esleep(double seconds_to_sleep) { struct timeval tval; static double clk_tck_val = 0; double total = seconds_to_sleep; /* total sleep asked for */ double started = etime(); /* time when called */ double left = total; if (seconds_to_sleep <= 0.0) return; if (clk_tck_val <= 0) { clk_tck_val = clk_tck(); } do { if (left < clk_tck_val && esleep_use_yield) { sched_yield(); } else { tval.tv_sec = (long) left; /* double->long truncates, ANSI */ tval.tv_usec = (long) ((left - (double) tval.tv_sec) * 1000000.0); if (tval.tv_sec == 0 && tval.tv_usec == 0) { tval.tv_usec = 1; } if (select(0, NULL, NULL, NULL, &tval) < 0) { if (errno != EINTR) { break; } } } left = total - etime() + started; } while (left > 0 && (left > clk_tck_val && esleep_use_yield)); return; }
void Client_Peer::crash(void) { Crasher * crasher = new Crasher; ACE_Time_Value clk_tck (0, Clock_Ticks::get_usecs_per_tick ()); ACE_Reactor * reactor = this->orb_->orb_core()->reactor(); reactor->schedule_timer(crasher, 0, clk_tck); }
int Sleeper::handle_timeout (ACE_Time_Value const & , void const *) { // ACE_DEBUG((LM_DEBUG, "(%P|%t) - Sleeper::handle_timeout()\n")); ACE_Time_Value clk_tck (0, Clock_Ticks::get_usecs_per_tick ()); this->orb_->perform_work(clk_tck); return 0; }
static int freq_pstat_getprocessor (int help) { #if HAVE_PSTAT_GETPROCESSOR && HAVE_PSP_ITICKSPERCLKTICK struct pst_processor p; HELP ("pstat_getprocessor() psp_iticksperclktick"); if (pstat_getprocessor (&p, sizeof(p), 1, 0) != -1) { long c = clk_tck(); speed_cycletime = 1.0 / (c * p.psp_iticksperclktick); if (speed_option_verbose) printf ("Using pstat_getprocessor() psp_iticksperclktick %lu and clk_tck %ld for cycle time %.3g\n", (unsigned long) p.psp_iticksperclktick, c, speed_cycletime); return 1; } #endif return 0; }