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describe :process_fork, shared: true do
platform_is :windows do
it "returns false from #respond_to?" do
# Workaround for Kernel::Method being public and losing the "non-respond_to? magic"
mod = @object.class.name == "KernelSpecs::Method" ? Object.new : @object
mod.respond_to?(:fork).should be_false
mod.respond_to?(:fork, true).should be_false
end
it "raises a NotImplementedError when called" do
lambda { @object.fork }.should raise_error(NotImplementedError)
end
end
platform_is_not :windows do
before :each do
@file = tmp('i_exist')
rm_r @file
end
after :each do
rm_r @file
end
it "returns status zero" do
pid = Process.fork { exit! 0 }
_, result = Process.wait2(pid)
result.exitstatus.should == 0
end
it "returns status zero" do
pid = Process.fork { exit 0 }
_, result = Process.wait2(pid)
result.exitstatus.should == 0
end
it "returns status zero" do
pid = Process.fork {}
_, result = Process.wait2(pid)
result.exitstatus.should == 0
end
it "returns status non-zero" do
pid = Process.fork { exit! 42 }
_, result = Process.wait2(pid)
result.exitstatus.should == 42
end
it "returns status non-zero" do
pid = Process.fork { exit 42 }
_, result = Process.wait2(pid)
result.exitstatus.should == 42
end
it "returns nil for the child process" do
child_id = @object.fork
if child_id == nil
touch(@file) { |f| f.write 'rubinius' }
Process.exit!
else
Process.waitpid(child_id)
end
File.exist?(@file).should == true
end
it "runs a block in a child process" do
pid = @object.fork {
touch(@file) { |f| f.write 'rubinius' }
Process.exit!
}
Process.waitpid(pid)
File.exist?(@file).should == true
end
it "marks threads from the parent as killed" do
t = Thread.new { sleep }
pid = @object.fork {
touch(@file) do |f|
f.write Thread.current.alive?
f.write t.alive?
end
Process.exit!
}
Process.waitpid(pid)
t.kill
t.join
File.read(@file).should == "truefalse"
end
end
end
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