Sha256: f7d080dcf1c0add7dd23b51bf2838843a76afdbee76d0cda2ba3b2554ba3ab15
Contents?: true
Size: 860 Bytes
Versions: 7
Compression:
Stored size: 860 Bytes
Contents
# frozen_string_literal: true
module SolargraphTestCoverage
# https://stackoverflow.com/questions/1076257/returning-data-from-forked-processes
# When called with a block, runs the content of said block in a new (forked) process
# the return value of the process/block can be captured and used in parent process
class ForkProcess
#
# Executes block in forked process, and captures returned value of that block
# Returns result of block
#
# @return [Object]
#
def self.run
read, write = IO.pipe
pid = fork do
read.close
result = yield
Marshal.dump(result, write)
exit!(0) # skips exit handlers.
end
write.close
result = read.read
Process.wait(pid)
raise ChildFailedError if result.nil? || result.empty?
Marshal.load(result)
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems