I’m seeing a lot of usages of sleep 0 in my one of my client project. The code look something like this. Reading through some of the answer of SO like this it seems that sleep 0 has some significance. What I want to known now is that does scheduling for other thread to run (if they are waiting to
Tag: sleep
How to programmatically prevent linux computer from sleeping or turning on screensaver?
While developing a small cross-platform game on C++, I got stuck with following issue: when players are playing with a USB gamepad without touching a keyboard or mouse, the computer sleeps automatically while they’re playing. In Windows, it can be done easily using SetThreadExecutionState function. In O…
How can my Linux program get a computer-is-about-to-go-to-sleep notification, without modifying any system config files?
I wrote a Linux program that creates some persistent TCP connections, and I would like my program to close() those TCP sockets just before the Linux-computer goes to sleep, so that the remote peer isn’t left with a non-responsive “zombie” TCP connection. According to this answer, one way to …
SIGALRM, interval timers and problems with sleep()
I am working with porting one of our embedded microcontroller libraries to linux and writing a python wrapper around it. One of my low level modules depends on a callback that gets called every 10ms. This callback counts up software timers that each have callbacks of their own. These timers are used all over …
nasm assembly linux timer or sleep
I’m trying to find a way to make my code wait for two seconds before proceeding. I’m using nasm for Linux in protected mode, so I can only use int 80h. I found a syscall called “alarm” (27) and another called “pause” (29). However, when I try to use those, the program waits…