Split up fork1():

 - FORK_THREAD handling is a totally separate function, thread_fork(),
   that is only used by sys___tfork() and which loses the flags, func,
   arg, and newprocp parameters and gains tcb parameter to guarantee
   the new thread's TCB is set before the creating thread returns
 - fork1() loses its stack and tidptr parameters
Common bits factor out:
 - struct proc allocation and initialization moves to thread_new()
 - maxthread handling moves to fork_check_maxthread()
 - setting the new thread running moves to fork_thread_start()
The MD cpu_fork() function swaps its unused stacksize parameter for
a tcb parameter.

luna88k testing by aoyama@, alpha testing by dlg@
ok mpi@

0 files changed, 0 insertions, 0 deletions