Z3 sources

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

lib/timeout.cpp

@@ -0,0 +1,57 @@
+/*++
+Copyright (c) 2006 Microsoft Corporation
+
+Module Name:
+
+    timeout.cpp
+
+Abstract:
+
+    Timeout support
+
+Author:
+
+    Leonardo de Moura (leonardo) 2006-10-02.
+
+Revision History:
+
+    Christoph (cwinter) 2012-02-14: Switch to scoped_timer for timeout support on all platforms.
+
+--*/
+#include<iostream>
+#include"util.h"
+#include"timeout.h"
+#include"error_codes.h"
+
+#include"event_handler.h"
+#include"scoped_timer.h"
+
+scoped_timer * g_timeout = 0;
+void (* g_on_timeout)() = 0;
+
+class g_timeout_eh : public event_handler {
+public:
+    void operator()() {
+        #pragma omp critical (g_timeout_cs) 
+        {
+            std::cout << "timeout\n";
+            if (g_on_timeout)
+                g_on_timeout();
+            if (g_timeout) 
+                delete g_timeout;
+            g_timeout = 0;
+            throw z3_error(ERR_TIMEOUT);
+        }
+    }
+};
+
+void set_timeout(long ms) {
+    if (g_timeout) 
+        delete g_timeout;
+
+    g_timeout = new scoped_timer(ms, new g_timeout_eh());
+}
+
+void register_on_timeout_proc(void (*proc)()) {
+    g_on_timeout = proc;
+}