test case for jobc panic
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	kib
	Dec 29 2020, 7:25 PM

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test case for jobc panic
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	/*
	# gdb101 ./forktest
	...
	(gdb) catch fork
	Catchpoint 1 (fork)
	(gdb) r
	Starting program: /mnt/forktest/forktest

	Catchpoint 1 (forked process 830), _fork () at _fork.S:4
	4 _fork.S: No such file or directory.
	(gdb) kill
	Kill the program being debugged? (y or n) y
	[Inferior 1 (process 828) killed]
	(gdb) quit
	<panic>
	*/

	#include <sys/types.h>
	#include <sys/wait.h>
	#include <err.h>
	#include <stdio.h>
	#include <stdlib.h>
	#include <unistd.h>

	int
	main(void)
	{
	pid_t pid, wpid;

	pid = fork();
	if (pid == -1)
	err(1, "fork");
	if (pid == 0) {
	printf("I'm in the child\n");
	exit(1);
	}
	printf("I'm in the parent\n");
	wpid = waitpid(pid, NULL, 0);
	if (wpid < 0)
	err(1, "waitpid");

	return (0);
	}