1 files changed, 73 insertions, 0 deletions
diff --git a/tools/mhmake/src/commandqueue.h b/tools/mhmake/src/commandqueue.h
new file mode 100644
index 000000000..d29057443
--- /dev/null
+++ b/tools/mhmake/src/commandqueue.h
@@ -0,0 +1,73 @@
+/*  This file is part of mhmake.
+ *
+ *  Copyright (C) 2001-2009 Marc Haesen
+ *
+ *  Mhmake is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  Mhmake is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with Mhmake.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/* $Rev$ */
+
+#ifndef __COMMANDQUEUE_H__
+#define __COMMANDQUEUE_H__
+
+#include "fileinfo.h"
+
+#ifdef WIN32
+typedef HANDLE mh_pid_t;
+#else
+typedef pid_t mh_pid_t;
+#endif
+
+class commandqueue
+{
+  struct activeentry : public refbase
+  {
+    refptr<fileinfo>               pTarget;
+    vector<string>::const_iterator CurrentCommandIt;
+    string                         Command;
+    md5_context                    md5ctx;
+    bool                           IgnoreError;
+  };
+private:
+  queue< refptr<fileinfo> >  m_Queue;
+  unsigned                   m_MaxNrCommandsInParallel;
+  mh_pid_t                  *m_pActiveProcesses;
+  refptr<activeentry>       *m_pActiveEntries;
+  unsigned                   m_NrActiveEntries;
+  mh_pid_t                   m_DummyWaitHandle;
+
+private:
+  void ThrowCommandExecutionError(refptr<activeentry> pActiveEntry);
+  refptr<activeentry> CreateActiveEntry(void);
+  unsigned GetActiveEntryId(const refptr<activeentry> pActiveEntry) const;
+  void RemoveActiveEntry(unsigned Entry);
+  void RemoveActiveEntry(refptr<activeentry> pActiveEntry)
+  {
+    RemoveActiveEntry(GetActiveEntryId(pActiveEntry));
+  }
+  bool StartExecuteCommands(const refptr<fileinfo> &pTarget);
+  bool StartExecuteNextCommand(refptr<activeentry> pActiveEntry, mh_pid_t *pActiveProcess);
+  void TargetBuildFinished(refptr<activeentry> pActiveEntry);
+
+public:
+  commandqueue();
+  ~commandqueue();
+
+  bool QueueTarget(const refptr<fileinfo> &pTarget);  // Returns true if target has been queued, false when commands are executed upon return
+  mh_time_t WaitForTarget(const refptr<fileinfo> &pTarget);
+  void SetNrParallelBuilds(unsigned NrParallelBuilds);
+};
+
+
+#endif