What is parent process and child process? The process that invoked fork is the parent process and the newly created process is the child process. Every process (except process 0) has one parent process, but can have many child processes. The operating system kernel identifies each process by its process identifier. How do you distinguish […]
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How do I send a signal to the child process?
How do I send a signal to the child process? In this post, the communication between child and parent processes is done using kill() and signal(), fork() system call. fork() creates the child process from the parent. The parent can then send messages to child using the pid and kill(). The child picks up these […]
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How can a parent and child process communicate?
How can a parent and child process communicate? The inter communication between a child process and a parent process can be done through normal communication schemes such as pipes, sockets, message queues, shared memories. There are special ways to inter communicate which has advantage of the relationships. How does a parent process create a child […]
What is Waitpid?
What is Waitpid? More precisely, waitpid() suspends the calling process until the system gets status information on the child. If pid is -1, waitpid() waits for any child process to end. If pid is less than -1, waitpid() waits for the termination of any child whose process group ID is equal to the absolute value […]
How can a parent and child process communicate in Linux?
How can a parent and child process communicate in Linux? The inter communication between a child process and a parent process can be done through normal communication schemes such as pipes, sockets, message queues, shared memories. There are special ways to inter communicate which has advantage of the relationships. How parent processes communicate with child […]
What is Sigchld signal?
What is Sigchld signal? When a child process stops or terminates, SIGCHLD is sent to the parent process. The default response to the signal is to ignore it. The signal can be caught and the exit status from the child process can be obtained by immediately calling wait(2) and wait3(3C). What is Wnohang? WNOHANG. This […]
How do you demonstrate deadlines for meetings?
How do you demonstrate deadlines for meetings? 8 simple tips to showcase your ability to meet a deadline Know your deadlines. Prioritise tasks. Plan, plan and plan. Allow enough time. Understand the requirements. Don’t be afraid to ask questions. Remove any distractions. Ask for help. How do you get employees to meet deadlines? 6 Tips […]
Who do labor and delivery nurses work with?
Who do labor and delivery nurses work with? Associated care team The L&D nurse is responsible for updating and communicating with the patient’s OBGYN/midwife, the charge nurse, the anesthesiologist (or certified registered nurse anesthetist (CRNA)), the lactation nurse, the delivery nurse (if there is one), the neonatal nurse practitioner (NNP) and the family. How many […]