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unrevert r63852 but keep SIGCHLD path disabled for win32

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Reading win32/win32.c waitpid implementation, maybe waitpid(-1, ...)
on that platform will never conflict with mjit use of waitpid.

In any case, I've added WAITPID_USE_SIGCHLD macro to vm_core.h
so it can be easy for Linux/BSD users to test (hopefully!)
win32-compatible code.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63855 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
normal 2018-07-05 03:02:33 +00:00
parent b3799b93c2
commit 44fc3d08eb
16 changed files with 632 additions and 235 deletions
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68
spec/ruby/core/process/waitall_spec.rb
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@ -8,43 +8,41 @@ describe "Process.waitall" do
end
end
without_feature :mjit do # [Bug #14867]
it "returns an empty array when there are no children" do
Process.waitall.should == []
it "returns an empty array when there are no children" do
Process.waitall.should == []
end
it "takes no arguments" do
lambda { Process.waitall(0) }.should raise_error(ArgumentError)
end
platform_is_not :windows do
it "waits for all children" do
pids = []
pids << Process.fork { Process.exit! 2 }
pids << Process.fork { Process.exit! 1 }
pids << Process.fork { Process.exit! 0 }
Process.waitall
pids.each { |pid|
lambda { Process.kill(0, pid) }.should raise_error(Errno::ESRCH)
}
end
it "takes no arguments" do
lambda { Process.waitall(0) }.should raise_error(ArgumentError)
end
platform_is_not :windows do
it "waits for all children" do
pids = []
pids << Process.fork { Process.exit! 2 }
pids << Process.fork { Process.exit! 1 }
pids << Process.fork { Process.exit! 0 }
Process.waitall
pids.each { |pid|
lambda { Process.kill(0, pid) }.should raise_error(Errno::ESRCH)
}
end
it "returns an array of pid/status pairs" do
pids = []
pids << Process.fork { Process.exit! 2 }
pids << Process.fork { Process.exit! 1 }
pids << Process.fork { Process.exit! 0 }
a = Process.waitall
a.should be_kind_of(Array)
a.size.should == 3
pids.each { |pid|
pid_status = a.assoc(pid)
pid_status.should be_kind_of(Array)
pid_status.size.should == 2
pid_status.first.should == pid
pid_status.last.should be_kind_of(Process::Status)
}
end
it "returns an array of pid/status pairs" do
pids = []
pids << Process.fork { Process.exit! 2 }
pids << Process.fork { Process.exit! 1 }
pids << Process.fork { Process.exit! 0 }
a = Process.waitall
a.should be_kind_of(Array)
a.size.should == 3
pids.each { |pid|
pid_status = a.assoc(pid)
pid_status.should be_kind_of(Array)
pid_status.size.should == 2
pid_status.first.should == pid
pid_status.last.should be_kind_of(Process::Status)
}
end
end
end