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The process is
extremely important in the field of computing and programming. If the process
is correct, then it will provide complete information about the given resource.
It can be seen that each process is involved in providing proper information
about the resource for executing the program in a proper way. All important
resources are given through these processes.
The process has a proper virtual
address space, in which the person is able to execute the required program in a
proper way without any difficulty. Due to
this virtual address space, it will become extremely easy to identify any kind
of error present while executing the program. There are some important features
that are provided by these processes like the code is perfectly executed with
the help of process.
The process also contains a unique
process identifier that will help to solve the programming problem. Every process in the programming is started
with a single thread, and this thread is also called a primary thread. Without
this thread, it will become extremely difficult to execute the program. The
process has the ability to create additional threads with the help of primary threads
In the process context, there are
different address space bars present that are holding important data in the threads.
In the process, there is no involvement of the security context, and it cannot
be used for the impersonating users.
Computing data sharing threads
This is basically the body that is
present inside the process, and it is arranged properly for execution. It can
be seen that all of these threads are involved in sharing its virtual address
space and other system resources. But on the other hand, the process has these
address space and system resources.
These threads are involved in
maintaining exception handlers by just executing it the right way. This means
that if these exception handlers are not working properly, then these threads
can maintain it. They are also
maintaining different local space for threads and a proper set of structure
that is used for saving several parts of threads. In the thread context, there
are several sets of thread registers present. In the thread context, there are
some information that is related to the threading process is present. The best
advantage of thread in the field of programming is that they have their own
security context for the users
Differences between Process and
threads
|
Process |
Thread |
|
The call from the main system is involved in the process |
There is no involvement of the system call in a thread |
|
There is a proper requirement of context switching for implementing the
program |
There is no need for any context switching |
|
There are a lot of copies of the code are present for saving the main
data |
They are involved in sharing the same amount of data, and it is
possible in different threads |
|
Their operating system is different in executing the code |
For the operating system, all threads are given the single task |
|
All of these processes are totally independent |
This is basically the subset of a process, so it is dependent |
|
There is proper separate memory space for the processes |
Threads are involved in sharing the same memory space. They are just
using the main memory of space. |
|
There is a lot of time is required for the communication between processes |
Communicating time is reduced between the threads |
|
The processes have overhead because they are handling a large amount of
memory space |
There is no overhead in the thread because they are present in the process,
and they are also depended on processes. |
Brooke, P. J., & Paige, R. F. (2007). Practical
Distributed Processing. Springer Science & Business Media.
Choudhury, P. P. (2009). Operating Systems: Principles And Design.
PHI Learning Pvt. Ltd.,.
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