lib/cocaine/command_line/runners/posix_runner.rb in cocaine-0.5.1 vs lib/cocaine/command_line/runners/posix_runner.rb in cocaine-0.5.2

@@ -1,30 +1,48 @@
 # coding: UTF-8
 
 module Cocaine
   class CommandLine
     class PosixRunner
-      if Cocaine::CommandLine.posix_spawn_available?
-
-        def call(command, env = {})
-          input, output = IO.pipe
-          pid = spawn(env, command, :out => output)
-          output.close
-          result = input.read
-          waitpid(pid)
-          result
+      def self.available?
+        begin
+          require 'posix/spawn'
+          true
+        rescue LoadError => e
+          false
         end
+      end
 
-        private
+      def self.supported?
+        available? && !Cocaine::CommandLine.java?
+      end
 
-        def spawn(*args)
-          POSIX::Spawn.spawn(*args)
-        end
+      def supported?
+        self.class.supported?
+      end
 
-        def waitpid(pid)
-          Process.waitpid(pid)
+      def call(command, env = {})
+        input, output = IO.pipe
+        pid = spawn(env, command, :out => output)
+        output.close
+        result = ""
+        while partial_result = input.read(8192)
+          result << partial_result
         end
+        waitpid(pid)
+        input.close
+        result
+      end
 
+      private
+
+      def spawn(*args)
+        POSIX::Spawn.spawn(*args)
       end
+
+      def waitpid(pid)
+        Process.waitpid(pid)
+      end
+
     end
   end
 end