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--- !ruby/object:RI::MethodDescription
aliases: []
block_params:
comment:
- !ruby/struct:SM::Flow::P
body: Returns the process ID of a child process associated with <em>ios</em>. This will be set by <tt>IO::popen</tt>.
- !ruby/struct:SM::Flow::VERB
body: " pipe = IO.popen("-")\n if pipe\n $stderr.puts "In parent, child pid is #{pipe.pid}"\n else\n $stderr.puts "In child, pid is #{$$}"\n end\n"
- !ruby/struct:SM::Flow::P
body: <em>produces:</em>
- !ruby/struct:SM::Flow::VERB
body: " In child, pid is 26209\n In parent, child pid is 26209\n"
full_name: IO#pid
is_singleton: false
name: pid
params: |
ios.pid => fixnum
visibility: public