1 files changed, 62 insertions, 0 deletions
diff --git a/src/libs/tasklib.h b/src/libs/tasklib.h
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+++ b/src/libs/tasklib.h
@@ -0,0 +1,62 @@
+/*
+ *  This program 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 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program 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 this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/* By Michael Martin, 2002-09-21
+ */
+
+/* The task libraries are a set of facilities for controlling synchronous 
+ * processes.  They are built on top of threads, but add the ability to
+ * modify a "state" variable to pass messages back and forth. */
+
+#ifndef LIBS_TASKLIB_H_
+#define LIBS_TASKLIB_H_
+
+#include "libs/threadlib.h"
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+/* Bitmasks for setting task state. */
+#define TASK_INUSE       1
+#define TASK_EXIT        2
+
+struct taskstruct {
+	Mutex state_mutex;
+	volatile DWORD state;   // Protected by state_mutex
+	const char *name;
+	volatile Thread thread;
+};
+
+typedef struct taskstruct *Task;
+
+extern void  InitTaskSystem (void);
+extern void  CleanupTaskSystem (void);
+
+extern Task  AssignTask (ThreadFunction task_func, SDWORD Stacksize, const char *name);
+extern DWORD Task_SetState (Task task, DWORD state_mask);
+extern DWORD Task_ClearState (Task task, DWORD state_mask);
+extern DWORD Task_ToggleState (Task task, DWORD state_mask);
+extern DWORD Task_ReadState (Task task, DWORD state_mask);
+extern void  FinishTask (Task task);
+extern void  ConcludeTask (Task task);
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif
+