This software provides a Perl interface to POSIX.1b semaphores, allowing for synchronization and interprocess communication in multi-threaded environments.
If you're looking for a high-performance synchronization device for interprocess or interthreaded designs, look no further than POSIX::RT::Semaphore. This Perl module is designed to provide an object-oriented Perl interface to POSIX.1b Realtime semaphores on your system.
One of the biggest benefits of using this module is that it supports both named and unnamed psems. Unnamed psems are great for synchronization between threads within a single process or between related processes that have inherited the psem from a common ancestor. Named psems, on the other hand, are ideal for interprocess synchronization but can also be used to support interthreaded designs.
To get started with this module, all you need to do is import it into your Perl script and use Fcntl to create named semaphores. The module also includes a method synopsis, making it easy to write code that makes use of psems. You can use the init method to create an unnamed semaphore with an initial value of 1, or the open method to create a named semaphore with the same initial value.
Once you've created your semaphore, you can use wait to initiate a down (P) operation, followed by a protected section of code, and post to initiate an up (V) operation. If you need to perform a non-blocking wait or trydown, trywait is your go-to. And if you need to wait for a specified amount of time, timedwait is your friend.
Overall, if you're looking for a reliable and efficient way to incorporate synchronization into your Perl code, consider giving POSIX::RT::Semaphore a try.
One of the biggest benefits of using this module is that it supports both named and unnamed psems. Unnamed psems are great for synchronization between threads within a single process or between related processes that have inherited the psem from a common ancestor. Named psems, on the other hand, are ideal for interprocess synchronization but can also be used to support interthreaded designs.
To get started with this module, all you need to do is import it into your Perl script and use Fcntl to create named semaphores. The module also includes a method synopsis, making it easy to write code that makes use of psems. You can use the init method to create an unnamed semaphore with an initial value of 1, or the open method to create a named semaphore with the same initial value.
Once you've created your semaphore, you can use wait to initiate a down (P) operation, followed by a protected section of code, and post to initiate an up (V) operation. If you need to perform a non-blocking wait or trydown, trywait is your go-to. And if you need to wait for a specified amount of time, timedwait is your friend.
Overall, if you're looking for a reliable and efficient way to incorporate synchronization into your Perl code, consider giving POSIX::RT::Semaphore a try.
What's New
Version 0.05: N/A