Python3: 一定間隔の処理

こちらの記事を参考にしました。
Python3で一定間隔で処理を行う

プログラム

0.25 sec 毎に実行

signal01.py

#! /usr/bin/python
#
#	signal01.py
#
#						Jun/08/2025
#
import signal
import time
    
def scheduler(arg1, args2):
	end = time.time() 
	time_diff = end - start 
	print(time_diff)

duration = 0.25
start = time.time() 
signal.signal(signal.SIGALRM, scheduler)
signal.setitimer(signal.ITIMER_REAL, duration, duration)

time.sleep(5000)

実行結果

$ ./signal01.py 
0.25015687942504883
0.5001039505004883
0.7502927780151367
1.0001683235168457
1.250462532043457
1.5001108646392822
1.7501001358032227
2.0001344680786133
2.25012469291687
2.5001094341278076