In standard C (C99), you can use time() to do this, something like: #include <time.h> : void waitFor (unsigned int secs) { unsigned int retTime = time(0) + secs; // Get finishing time. while (time(0) < retTime); // Loop until it arrives. } By the way, this assumes time() returns a 1-second resolution value. I … Read more
The solution from the blog Prevent desktop lock or screensaver with PowerShell is working for me. Here is the relevant script, which simply sends a single period to the shell: param($minutes = 60) $myshell = New-Object -com “Wscript.Shell” for ($i = 0; $i -lt $minutes; $i++) { Start-Sleep -Seconds 60 $myshell.sendkeys(“.”) }
Thread.Yield will interrupt the current thread to allow other threads to do work. However, if they do not have any work to do, your thread will soon be rescheduled and will continue to poll, thus 100% utilization of 1 core. Causes the calling thread to yield execution to another thread that is ready to run … Read more
The granularity of sleeps is generally bound by the thread scheduler’s interrupt period. In Linux, this interrupt period is generally 1ms in recent kernels. In Windows, the scheduler’s interrupt period is normally around 10 or 15 milliseconds If I have to halt threads for periods less than this, I normally use a busy wait EDIT: … Read more
#include <windows.h> Sleep(number of milliseconds); Or if you want to pause your program while waiting for another program, use WaitForSingleObject.
Depending on your version of Boost: Either… #include <boost/chrono.hpp> #include <boost/thread/thread.hpp> boost::this_thread::sleep_for(boost::chrono::milliseconds(100)); Or… #include <boost/date_time/posix_time/posix_time.hpp> #include <boost/thread/thread.hpp> boost::this_thread::sleep(boost::posix_time::milliseconds(100)); You can also use microseconds, seconds, minutes, hours and maybe some others, I’m not sure.
I needed to include <linux/delay.h> to use msleep in kernel space.
Sleep() is implemented at the OS level. The processor doesn’t spin when a task/thread/process is sleeping. That particular thread is put on a pending queue (the thread isn’t ready to run) until the time has expired at which point the thread will be placed on the ready to run queue. In the meantime, other threads … Read more
After considering vim’s answer “Using PowerCreateRequest, PowerSetRequest, and PowerClearRequest functions is the preferred method.” with the linked AvailabilityRequests.docx on msdn which is exhausting to get into it (too much to read), I have searched the web for a concrete example in c# that is based on the PowerCreateRequest and found http://go4answers.webhost4life.com/Example/problem-monitor-wakeup-service-windows7-12092.aspx [EDIT 2016 – isn’t … Read more