Question

How do we wait for multiple child processes ?

Answer 1

To wait for multiple child processes in C, you can use the waitpid() function in a loop. This function allows the parent process to wait for a specific child process to complete. Here is an example of how to wait for multiple child processes using fork() and waitpid().

Step-by-step explanation:

In order to wait for multiple child processes, you can use the waitpid() function in C programming language. This function allows the parent process to wait for a specific child process to complete. You can use this function in a loop to wait for multiple child processes.

Here is an example of how to wait for multiple child processes:

1. Create child processes using the fork() function.
2. In the parent process, use a loop to call waitpid() function for each child process.
3. Inside the loop, check the return value of waitpid() to determine if a child process has completed.
4. Once a child process has completed, you can perform any necessary actions or continue waiting for the remaining child processes.
5. Exit the loop when all child processes have completed.