--- !ruby/object:RI::MethodDescription 
aliases: []

block_params: 
comment: 
- !ruby/struct:SM::Flow::P 
  body: Waits for a child process to exit (see Process::waitpid for exact semantics) and returns an array containing the process id and the exit status (a <tt>Process::Status</tt> object) of that child. Raises a <tt>SystemError</tt> if there are no child processes.
- !ruby/struct:SM::Flow::VERB 
  body: "   Process.fork { exit 99 }   #=&gt; 27437\n   pid, status = Process.wait2\n   pid                        #=&gt; 27437\n   status.exitstatus          #=&gt; 99\n"
full_name: Process::waitpid2
is_singleton: true
name: waitpid2
params: |
  Process.wait2(pid=-1, flags=0)      => [pid, status]
  Process.waitpid2(pid=-1, flags=0)   => [pid, status]

visibility: public