Тестовые примеры / ch8 / test_waitpid

	#include <iostream.h>

	#include <stdio.h>

	#include <sys/types.h>

	#include <sys/wait.h>

	#include <unistd.h>

	int main() 

		{

		pid_t	child_pid, pid;

		int	status;

		switch (child_pid=fork()) 

		{

			case (pid_t)-1:	perror("fork"); 		/* fork fails */

				break;

			case (pid_t)0:	cout << "Child process created\n";

				_exit(15);	/* terminate child */

			default:	cout << "Parent process after fork\n";

				pid = waitpid(child_pid,&status,WUNTRACED);

		}

		if (WIFEXITED(status))

			cerr << child_pid << " exits: " <<WEXITSTATUS(status) << endl;

		else if (WIFSTOPPED(status)) 

			cerr << child_pid << " stopped by: " <<WSTOPSIG(status) << endl;

		else if (WIFSIGNALED(status)) 

			cerr << child_pid << " killed by: " <<WTERMSIG(status) << endl;

		else perror("waitpid");

		_exit(0);

		return 0;

	}