1#@!#!123s

: / proc / self / root / opt / alt / ruby34 / share / ri / system / Process /
Filename : fork-c.ri
back
U:RDoc::AnyMethod[iI"	fork:ETI"Process::fork;TT:publico:RDoc::Markup::Document:@parts[!o:RDoc::Markup::Paragraph;	[I"Creates a child process.;To:RDoc::Markup::BlankLine�o;
;	[I">With a block given, runs the block in the child process; ;TI"?on block exit, the child terminates with a status of zero:;T@o:RDoc::Markup::Verbatim;	[
I",puts "Before the fork: #{Process.pid}"
;TI"
fork do
;TI"3  puts "In the child process: #{Process.pid}"
;TI"'end                   # => 382141
;TI"+puts "After the fork: #{Process.pid}"
;T:@format0o;
;	[I"Output:;T@o;;	[I"Before the fork: 420496
;TI"After the fork: 420496
;TI""In the child process: 420520
;T;
0o;
;	[I"8With no block given, the +fork+ call returns twice:;T@o:RDoc::Markup::List:
@type:BULLET:@items[o:RDoc::Markup::ListItem:@label0;	[o;
;	[I"HOnce in the parent process, returning the pid of the child process.;To;;0;	[o;
;	[I"0Once in the child process, returning +nil+.;T@o;
;	[I"
Example:;T@o;;	[I"Hputs "This is the first line before the fork (pid #{Process.pid})"
;TI"puts fork
;TI"Hputs "This is the second line after the fork (pid #{Process.pid})"
;T;
0o;
;	[I"Output:;T@o;;	[
I"9This is the first line before the fork (pid 420199)
;TI"420223
;TI"9This is the second line after the fork (pid 420199)
;TI"
;TI"9This is the second line after the fork (pid 420223)
;T;
0o;
;	[I"6In either case, the child process may exit using ;TI"6Kernel.exit! to avoid the call to Kernel#at_exit.;T@o;
;	[I"FTo avoid zombie processes, the parent process should call either:;T@o;;;;[o;;0;	[o;
;	[I"GProcess.wait, to collect the termination statuses of its children.;To;;0;	[o;
;	[I"=Process.detach, to register disinterest in their status.;T@o;
;	[I"PThe thread calling +fork+ is the only thread in the created child process; ;TI"'+fork+ doesn't copy other threads.;T@o;
;	[I"=Note that method +fork+ is available on some platforms, ;TI"but not on others:;T@o;;	[I"DProcess.respond_to?(:fork) # => true # Would be false on some.
;T;
0o;
;	[I"3If not, you may use ::spawn instead of +fork+.;T:
@fileI"process.c;T:0@omit_headings_from_table_of_contents_below0I"KProcess.fork { ... } -> integer or nil
Process.fork -> integer or nil
;T0[�I"();T@dFI"Process;TcRDoc::NormalModule00