Describe the techniques for handling concurrent access issues when multiple processes or threads attempt to read or write to the same file simultaneously.
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Describe the techniques for handling concurrent access issues when multiple processes or threads attempt to read or write to the same file simultaneously.
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- Explain the concept of file locks and how they relate to exception handling in multi-threaded file access. What strategies can be employed to manage concurrent access to files?Describe the distinctions between processes and threads, as well as their scheduling.What distinguishes user-accessible threads from kernel-accessible threads?Under what conditions would one option be more advantageous compared to the other?
- A deadlock condition can occur in concurrent code if two or more threads each hold a resource and are waiting for another thread to release a resource they need to proceed. Question 10 options: True False1. Problem: Write a program to create 2 subprocesses. Thread 1 writes to the text.txt file with the content random, thread 2 reads the content of the text.txt file and outputs it to the screen. Use Semaphore to ensure that only one thread can read or write the file at a time.2. Language: C3. Operating system: Linux4. Compiler: GCC What information do you need ?Select : True or False A heavyweight process is called Thread * Kernel-level threads are faster to create and manage * User-level threads are faster to create and manage * Convey effect is related to SJF * Dispatch Latency must be slow *
- YES or NO: The process can have several user-level threads with varying priority. Each modification must be applied independently.Course: Operating Systems write a multi-threadeddirectory copy program. The program will create destination directory and open thesource directory. Then for each file in the source directory it will create a thread. Thethread will copy file from source directory to the destination directory. At the end it willprint the number of files copied. Both the source and destination names will be passed ascommand line arguments. Sample execution is as follows:mtcopy.exe source_dir destination_dirCopied 8 files Note: The answer is availible on chegg.MCQ: If two threads in a multithreaded program want the same resource at the same time, one of them will have to wait for the other to finish then which of the following can support this? Synchronized block Synchronized variable Process scheduling Synchronized class