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Filename : detach-c.ri
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U:RDoc::AnyMethod[iI"detach:ETI"Process::detach;TT:publico:RDoc::Markup::Document:@parts[o:RDoc::Markup::Paragraph;	[	I":Avoids the potential for a child process to become a ;TI"E{zombie process}[https://en.wikipedia.org/wiki/Zombie_process]. ;TI"GProcess.detach prevents this by setting up a separate Ruby thread ;TI"Rwhose sole job is to reap the status of the process _pid_ when it terminates.;To:RDoc::Markup::BlankLine�o;
;	[I"HThis method is needed only when the parent process will never wait ;TI"for the child process.;T@o;
;	[I":This example does not reap the second child process; ;TI"Jthat process appears as a zombie in the process status (+ps+) output:;T@o:RDoc::Markup::Verbatim;	[	I">pid = Process.spawn('ruby', '-e', 'exit 13') # => 312691
;TI"sleep(1)
;TI"# Find zombies.
;TI"*system("ps -ho pid,state -p #{pid}")
;T:@format0o;
;	[I"Output:;T@o;;	[I"312716 Z
;T;
0o;
;	[I"?This example also does not reap the second child process, ;TI"Hbut it does detach the process so that it does not become a zombie:;T@o;;	[
I">pid = Process.spawn('ruby', '-e', 'exit 13') # => 313213
;TI""thread = Process.detach(pid)
;TI"sleep(1)
;TI"4# => #<Process::Waiter:0x00007f038f48b838 run>
;TI"Esystem("ps -ho pid,state -p #{pid}")        # Finds no zombies.
;T;
0o;
;	[I"IThe waiting thread can return the pid of the detached child process:;T@o;;	[I"6thread.join.pid                       # => 313262;T;
0:
@fileI"process.c;T:0@omit_headings_from_table_of_contents_below0I"#Process.detach(pid) -> thread
;T0[�I"	(p1);T@7FI"Process;TcRDoc::NormalModule00