Search DaniWeb - usleep

Does usleep consume CPU cycles? 4 Years Ago by Dani Someone posted a comment in the [php usleep manual](https://www.php.net/manual/en/function.usleep.php) that usleep() consumes CPU cycles whereas sleep() and time_nanosleep() do not. Is this true for PHP 7.x? LCD Control Module Program! 11 Years Ago by Strange&Evil … ) { if( attempts < max_send_attempts) { usleep(10000); // 100 ms attempts++; } else { return…bufsize) { if( attempt < max_read_attempt ) { usleep(1000); attempt++; } else { break; } } … pthread example program 13 Years Ago by spetro3387 …&count_cond_mutex); nCount = 0; } pthread_mutex_unlock(&count_cond_mutex); usleep(1000); //FOO - do work here or last running thread …&count_cond_mutex); nCount = 0; } pthread_mutex_unlock(&count_cond_mutex); usleep(1000); //FOO - do work here or last running thread … Error during compiling for C++ code 13 Years Ago by petero_l …1-r)); cout << total1 << endl; usleep(100000); if (k == t) { cout << …1)*d)); cout << total << endl; usleep(100000); if (n == x) { cout << …1-d)); cout << total << endl; usleep(100000); if (n == x) { cout << … help debug .... 2 processes not going 19 Years Ago by jaeSun … #%i is currently crossing the drawbridge.\n", northID); usleep(pausetime); //end CS //************************* //unlock bridge sem_post(&bridge_s… #%i is currently crossing the drawbridge.\n", southID); usleep(pausetime); //end CS //************************* //unlock bridge sem_post(&bridge_s… Guys, plese just one more time help me 14 Years Ago by dondajr … (!fbuffer) { //Dorme 1/10 de segundo usleep(1000); //Forca retorno ao loop continue; } … a dados no arquivo, dorme 1/10 de segundo usleep(1000); //Força inicio do loop continue; }… Process Scheduler problem in UNIX 13 Years Ago by lotrsimp12345 … repeat this multiple times. We are only supposed to use usleep in the jobgeneration() function. We are having trouble sleeping and…;linePowerUser<<endl; output<<lineUser; output.close(); usleep(50); } } void jobScheduler(){ int i = 0; int n = 0; int… Make an array from mysql results. Single column. 12 Years Ago by reco21 ….. [CODE]<?php $request = trim(strtolower($_REQUEST['login'])); //sleep(2); usleep(150000); $users = array('asdf', 'Peter', 'Peter2', 'George'); $valid = 'true'; foreach… like below.. [CODE] $request = trim(strtolower($_REQUEST['login'])); //sleep(2); usleep(150000); $users = array( ); $query = mysql_query("SELECT login FROM members… Re: Make an array from mysql results. Single column. 12 Years Ago by reco21 …) [CODE] <?php $request = trim(strtolower($_REQUEST['login'])); //sleep(2); usleep(150000); $users = array('asdf', 'Peter', 'Peter2', 'George'); $valid = 'true'; …('error'); $valid = 'true'; $request = trim(strtolower($_REQUEST['login'])); //sleep(2); usleep(150000); $users = array( ); $query = mysql_query("SELECT login FROM members… SEG FAULT when trying to close ofstream 11 Years Ago by sidvb1 … IO */ void Logger::DeleteInstance() { usleep(100000); pthread_mutex_lock(&mutex); run =… written++; //delete request; } } } pthread_mutex_unlock(&mutex); usleep(1000); } } /* * @param * @return * @… Re: slow down program output 10 Years Ago by Schol-R-LEA …want to know, how long are you setting `sleep()`. `usleep()`, and `nanosleep()` for, repsectively? While `sleep()` takes an… argument in seconds, `usleep()` takes one in microseconds, and `nanosleep()` (as the name…has frozen; OTOH, an argument of `99999` for `usleep()` (just under 1/10 of a second) would be… pass multiple inputs to proc_open pipe in php 3 Years Ago by Iikeloa … = ""; while($n < 3) { echo $commands[$n]; usleep(1000); fwrite($pipe[0], $commands[$n] . PHP_EOL ); fflush($pipe[0…]); usleep(1000); while($out = stream_get_contents($pipe[1]) && !feof($… Re: Delay 16 Years Ago by TkTkorrovi … time which scheduler gives to a program, is 5 milliseconds. usleep is defined in unistd.h, and implements delay in microseconds… none of these functions are part of the standard c, usleep and select are part of the POSIX standard, and g_usleep… Re: difficulty in providing delay in gcc compiler 15 Years Ago by Salem Well did you take account of the fact that usleep takes MICROSECONDS? delay(1000); and usleep(1000); will wait for different times. Re: Process Scheduler problem in UNIX 13 Years Ago by lotrsimp12345 … queues. The new jobs can be simple print and sleep/usleep operations. The job queues may be stored in an external… Re: Make an array from mysql results. Single column. 11 Years Ago by reco21 …;../dbcon.php"); $valid = 'true'; $request = trim(strtolower($_REQUEST['user'])); usleep(150000); $query = mysql_query("SELECT * FROM members WHERE user=\"… Re: slow down program output 10 Years Ago by COKEDUDE I looked at the man pages and saw those were the maximum values of usleep() and nanosleep(). With sleep I thought I would get a normal 5 seconds. I am working on a modified version of game of life. It is hard to see if it is doing what I want with how fast it is going. usleep(1000000); nanosleep(999999999); delay(3000); sleep(5); until help 17 Years Ago by jan1024188 … (a == b) printf("%d\n second ", a); a++; usleep ( 990000 ); printf("\n\n hvala ker usate ta pgr… Delay 16 Years Ago by tu_m.aimes Is there a delay function for C? I'm using usleep, but I just found that somewhere on the net and if I get asked about it, I won't be able to explain or even name which library I'm calling it from. Is there a delay function in time.h? If so, what is it and how do you use it? Please Help - Reading a file in efficient manner 15 Years Ago by anjaliraman …) { if( !m_streamSyslog.getline(pBuffer, nMaxMsgLen) ) { if( m_streamSyslog.eof() ) { m_streamSyslog.clear(); usleep(100000); } return false; } return true; } void SyslogReader::validateTrap(const string… difficulty in providing delay in gcc compiler 15 Years Ago by harry pottervs … linux i dont know how to provide delay.I used usleep() function but i cant see the successive movement of balls… serial communication RS 232 15 Years Ago by snehapatil …("written: %d%d\n", sCmd[0]); close(fd); usleep(30000); fd = 0; fd = open( "/dev/ttyS0" ,O_RDONLY… Problem Passing Sturcture Object To Queue - Linux? 15 Years Ago by gsuraj02 …<<rcs<<endl; return 0; } while(1) { usleep(1600); } } [/code] Multicasting only works on same machine (urgent) 14 Years Ago by MadSkyrim …;sendto() sent a different number of bytes than expected"); usleep(pulse * 1000); } [/CODE] Any ideas? Linux sleep(); 14 Years Ago by Slacked … then writes out the complete sentence. I've tried the usleep and nanosleep functions as well, but no satisfaction. Input without hitting enter 14 Years Ago by petteyg … main() { char c; int i=0; nonblock(NB_ENABLE); while(!i) { usleep(1); i=kbhit(); if (i!=0) { c=fgetc(stdin); if… Dining Philosopher Code Has problems 14 Years Ago by bohongtw … (true) { sleep(1); for (i = 0; i < number; i++) { usleep(1000); printf("%d: %-8s ", i, philosophers[i].status… PHP sockets from remote host 13 Years Ago by Kalphiter …;. $file[1] ."]"); echo("Beep sent\n"); } usleep(10000); socket_set_block($sock); $read[0] = $sock; for($i = 0; $i… how to check if semaphore is lock efficiently 13 Years Ago by neti1987 … the main thread locked the first semaphore - break the loop. usleep(1); // else - wait milisecond and check again. } // continue for the… Check for user input. 13 Years Ago by Danny_501 … a fgets() function? Current I have: [CODE] while(keep_running == TRUE) { usleep(25); char command[80]; fgets(command,80,stdin); /* handle input…