class Cocaine::CommandLine::PosixRunner
Public Class Methods
available?()
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# File lib/cocaine/command_line/runners/posix_runner.rb, line 5 def self.available? return @available unless @available.nil? @available = posix_spawn_gem_available? end
supported?()
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# File lib/cocaine/command_line/runners/posix_runner.rb, line 11 def self.supported? available? && !OS.java? end
Private Class Methods
posix_spawn_gem_available?()
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# File lib/cocaine/command_line/runners/posix_runner.rb, line 43 def self.posix_spawn_gem_available? require 'posix/spawn' true rescue LoadError false end
Public Instance Methods
call(command, env = {}, options = {})
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# File lib/cocaine/command_line/runners/posix_runner.rb, line 19 def call(command, env = {}, options = {}) input, output = IO.pipe options[:out] = output pid = spawn(env, command, options) output.close result = "" while partial_result = input.read(8192) result << partial_result end waitpid(pid) input.close result end
supported?()
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# File lib/cocaine/command_line/runners/posix_runner.rb, line 15 def supported? self.class.supported? end
Private Instance Methods
spawn(*args)
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# File lib/cocaine/command_line/runners/posix_runner.rb, line 35 def spawn(*args) POSIX::Spawn.spawn(*args) end
waitpid(pid)
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# File lib/cocaine/command_line/runners/posix_runner.rb, line 39 def waitpid(pid) Process.waitpid(pid) end