Introduce the "console" pool

This is a pre-defined pool with a depth of 1. It has the special property
that any task in the pool has direct access to the console. This can be
useful for interactive tasks or long-running tasks which produce status
updates on the console (such as test suites).

1 files changed, 6 insertions, 2 deletions

diff --git a/src/subprocess.h b/src/subprocess.h
index 4c1629c..6ea6f62 100644
--- a/src/subprocess.h
+++ b/src/subprocess.h
@@ -44,13 +44,14 @@ struct Subprocess {
   const string& GetOutput() const;
 
  private:
-  Subprocess();
   bool Start(struct SubprocessSet* set, const string& command);
   void OnPipeReady();
 
   string buf_;
 
 #ifdef _WIN32
+  Subprocess();
+
   /// Set up pipe_ as the parent-side pipe of the subprocess; return the
   /// other end of the pipe, usable in the child process.
   HANDLE SetupPipe(HANDLE ioport);
@@ -61,9 +62,12 @@ struct Subprocess {
   char overlapped_buf_[4 << 10];
   bool is_reading_;
 #else
+  Subprocess(bool use_console);
+
   int fd_;
   pid_t pid_;
 #endif
+  bool use_console_;
 
   friend struct SubprocessSet;
 };
@@ -75,7 +79,7 @@ struct SubprocessSet {
   SubprocessSet();
   ~SubprocessSet();
 
-  Subprocess* Add(const string& command);
+  Subprocess* Add(const string& command, bool use_console = false);
   bool DoWork();
   Subprocess* NextFinished();
   void Clear();