473,387 Members | 1,423 Online
Bytes | Software Development & Data Engineering Community
Post Job

Home Posts Topics Members FAQ

Join Bytes to post your question to a community of 473,387 software developers and data experts.

mutex by binary semaphore??

If an OS doesnot support mutex and it only has binary semaphore,Is it possible to acheive mutex concept
Jan 13 '07 #1
1 2159
Banfa
9,065 Expert Mod 8TB
Yes just use a semaphore that starts with a count of 1. When you acquire it the count will drop to 0 so no one else will be able to acquire it until you release it.
Jan 13 '07 #2

Sign in to post your reply or Sign up for a free account.

Similar topics

4
by: Vinay C | last post by:
Hi, Can anyone clear me that, when should we use go for mutex, and in which situation should we opt for monitor, lock, semaphone and other objects, in a multithreaded application for synchronization...
1
by: rushik | last post by:
Hello all, I m facing an interesting problem related to semaphore in php. We are using a huge business application running on LAMP. For database operations we are maintaining centralized DB...
3
by: smith4894 | last post by:
Hello, I have an application that essentially consists of two threads doing their things. One thread is a producer, and pushes bytes (of a struct) into a pipe, and another is a consumer that...
5
by: marvind | last post by:
I tried using a Semaphore class (have included the full listing reproduced from article Figure 1 at the end of this email) in .NET 1.1. It works fine most of the time, however, I see the following...
2
by: aBŁ | last post by:
Hello all, I have an application which will seek the sql server table whether it is updated or not. This application runs once in 60 seconds. But the sql server table doesnt get updated...
8
by: Chris | last post by:
I have an app that is run periodically using Winsows Scheduled Tasks. Occasionally, the app will still be running by the time the scheduled task rolls around again. I don't want the task...
6
by: Jun Kusanagi | last post by:
Is there any way to solve process synchronization between more than 1 resources. I'm already trying to use Mutex.WaitAny, but I confused to execute Release method from the corresponding mutexes....
1
by: mazzawi | last post by:
I know they can be shared if we use pthread_mutexattr_setpshared with PTHREAD_PROCESS_SHARED but does that only work if the processes are created with a fork, after the mutex has been declared,...
0
by: Samuel R. Neff | last post by:
I'm having trouble creating a Semaphore with read-access rights for everyone. Originally I was trying to use this code: semaphore = new Semaphore(maxLocks, maxLocks, "RwLock#" + name); but...
0
by: taylorcarr | last post by:
A Canon printer is a smart device known for being advanced, efficient, and reliable. It is designed for home, office, and hybrid workspace use and can also be used for a variety of purposes. However,...
0
by: Charles Arthur | last post by:
How do i turn on java script on a villaon, callus and itel keypad mobile phone
0
by: ryjfgjl | last post by:
If we have dozens or hundreds of excel to import into the database, if we use the excel import function provided by database editors such as navicat, it will be extremely tedious and time-consuming...
0
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...
1
by: nemocccc | last post by:
hello, everyone, I want to develop a software for my android phone for daily needs, any suggestions?
1
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...
0
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...
0
Oralloy
by: Oralloy | last post by:
Hello folks, I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>". The problem is that using the GNU compilers,...
0
jinu1996
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...

By using Bytes.com and it's services, you agree to our Privacy Policy and Terms of Use.

To disable or enable advertisements and analytics tracking please visit the manage ads & tracking page.