by: Daniel C Bastos |
last post by:
i'm looking for a way to:
1. start a new process (exec(), proc_open(), popen(), whatever())
2. sleep(some_secs);
3. if the process is still running, kill it.
4. otherwise, go to 1.
any ideas...
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by: John Lin |
last post by:
Howdy,
I want to know how to tell if a forked process is done.
Actually, my real question is that I want to run a shell script inside
of a python script, and after the shell script has...
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by: schneider jp |
last post by:
Hi everybody
For a project of system programming, we need to use semaphores, but i got
some pbs...
when I compile, i get perror with sem_open("machin", O_CREAT, 0666, 0); and
perror says...
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by: FiLH |
last post by:
Hello,
I would like to know if posix semaphores are inter processes or just
semaphores for threads inside the same process.
I have not seen it defined in the posix specification I have found,...
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by: Edwin New |
last post by:
I have a requirement to run two separate postmasters on the one machine. It
looks like they compete for resources (semaphores) so won't run
concurrently.
I compiled twice, specifying different...
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by: Steven Spencer |
last post by:
Hi, I'm doing an IT degree at university, and my lecturer's do not teach
m$ technologies. I was wondering if anyone could point me to the
implementation of mutex's and semaphores in .net? Or the...
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by: Dale Strickland-Clark |
last post by:
In Linux this is easy with 'signal' and 'kill' but how can I get one Python
process to signal another (possibly running as a service)?
All I need is a simple prod with no other data being sent...
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by: Geevi |
last post by:
Hi to all,
can anybody explain about semaphores?
i want exact definition of semaphore?
i have searched somany books but i could not get it?
whre and how they can be used?
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by: Ravi |
last post by:
Hi to all,
There is a start button in my page. if user clicks on that then a php
program should start and should listen on a particular port. and also
user should able to do other tasks on...
|
by: ryjfgjl |
last post by:
In our work, we often receive Excel tables with data in the same format. If we want to analyze these data, it can be difficult to analyze them because the data is spread across multiple Excel files...
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by: BarryA |
last post by:
What are the essential steps and strategies outlined in the Data Structures and Algorithms (DSA) roadmap for aspiring data scientists? How can individuals effectively utilize this roadmap to progress...
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by: Sonnysonu |
last post by:
This is the data of csv file
1 2 3
1 2 3
1 2 3
1 2 3
2 3
2 3
3
the lengths should be different i have to store the data by column-wise with in the specific length.
suppose the i have to...
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by: Hystou |
last post by:
There are some requirements for setting up RAID:
1. The motherboard and BIOS support RAID configuration.
2. The motherboard has 2 or more available SATA protocol SSD/HDD slots (including MSATA, M.2...
|
by: marktang |
last post by:
ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However,...
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by: Hystou |
last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can...
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by: jinu1996 |
last post by:
In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven...
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by: Hystou |
last post by:
Overview:
Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows...
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by: tracyyun |
last post by:
Dear forum friends,
With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each...
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