Z3 sources

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>

lib/cooperate.h

@@ -0,0 +1,50 @@
+/*++
+Copyright (c) 2011 Microsoft Corporation
+
+Module Name:
+
+    cooperate.h
+
+Abstract:
+
+    Cooperation support
+
+Author:
+
+    Leonardo (leonardo) 2011-05-17
+
+Notes:
+
+--*/
+#ifndef _COOPERATE_H_
+#define _COOPERATE_H_
+
+class cooperation_section;
+
+class cooperation_ctx {
+    friend class cooperation_section;
+    static bool g_cooperate;
+public:
+    static bool enabled() { return g_cooperate; }
+    static void checkpoint(char const * task);
+};
+
+inline void cooperate(char const * task) {
+    if (cooperation_ctx::enabled()) cooperation_ctx::checkpoint(task);
+}
+
+// must be declared before "#pragma parallel" to enable cooperation 
+class cooperation_section {
+public:
+    cooperation_section();
+    ~cooperation_section();
+};
+
+// must be first declaration inside "#pragma parallel for"
+class init_task {
+public:
+    init_task(char const * task);
+    ~init_task();
+};
+
+#endif