C, Unix, Cygwin, POSIX

Signal, Pipes, System Calls

Implement both signals and ordinary pipes as a means of communication between two processes.

Par 1 - Signal

Utilize a fork() system call to create a child process.

After creating a child, utilize sleep(), then kill() system call to send a signal to child.

Write a signal handling routine to check if a signal has been received - #include <signal.h>.

Utilize signal() system call(). This function returns void, and only takes an integer as a parameter.

Part 2 – Pipes.

Use a pipe to transfer message between the parent and child process.

Declare an integer array of length 2. Pass the array to pipe() system call. Array index[0] is reading, [1] is writing. Utilize #include <unistd.>.

Utilize write() system call parent process to write “hello world.” The parent will send a SIGUSR1 signal to its child and wait().

Please let me know if you are interested, that way I can send more details.

Квалификация: Программирование на С, UNIX

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