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In this chapter we shall learn about: 1. Linux Zombie Process 2. Linux Orphan Process 3. Linux Daemon Process Linux Zombie Process * A process that has completed it’s execution but still has an entry in process table is called as Zombie process. * Ideally zombie …

In the previous chapters we saw what a process can be created in 3 different ways. In this chapter we shall learn about: 1. “system()”system call Introduction 2. How to create a process using “system()” system call. 3. Example of creating a process using “system()” system …

In this chapter we shall learn about: 1. API’s used in pthread condition variable 2. Example 1 Below are the API’s used for pthread condition variables 1. To initialize a condition: int pthread_cond_init(pthread_cond_t *cond, pthread_condattr_t *cond_attr): Here, cond: It is the condition variable cond_attr: They are …

In this chapter we shall learn about: 1. API’s used in pthread mutex 2. Example 1 3. Example 2   1. To initialize a mutex, use below API: int pthread_mutex_init (pthread_mutex_t *mutex, const pthread_mutexattr_t *mutexattr); attributes for the mutex can be given through mutexattr, use NULL …

In this chapter we shall learn about: 1. Introduction to fork() system call 2. Function prototype of fork() 3. Understanding fork() with number of examples: 4. Example 1: Simple fork example 5. Example 2: Another fork example 6. Example 3: fork() tree 7. wait() system call. …

In this chapter we shall learn about: 1. Introduction 2. How to get a System V semaphore? 3. How to control a System V semaphore? 4. How to perform operations a System V semaphore? 5. How to destroy a System V semaphore? 6. Example: SemInit.c 7. …

In this chapter we shall learn about: 1. Introduction 2. How to connect to a message queue? 3. How to send a message queue? 4. How you initialize a “msgsnd()”. 5. How to receive a message queue? 6. Destroying a message queue. 7. Example to send …