Z3 sources

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

lib/mem_stat.cpp

@@ -0,0 +1,56 @@
+/*++
+Copyright (c) 2006 Microsoft Corporation
+
+Module Name:
+
+    mem_stat.cpp
+
+Abstract:
+
+    Memory usage statistics
+
+Author:
+
+    Leonardo de Moura (leonardo) 2006-11-09.
+
+Revision History:
+
+--*/
+
+#ifdef _WINDOWS
+#include<windows.h>
+#include<cstdio>
+#include<psapi.h>
+
+double get_max_heap_size() {
+    DWORD processID = GetCurrentProcessId();
+    HANDLE hProcess;
+    PROCESS_MEMORY_COUNTERS pmc;
+    
+    hProcess = OpenProcess(PROCESS_QUERY_INFORMATION |
+                           PROCESS_VM_READ,
+                           FALSE, processID);
+    double result = -1.0;
+
+    if (NULL == hProcess) {
+        return -1.0;
+    }
+    
+    if (GetProcessMemoryInfo( hProcess, &pmc, sizeof(pmc))) {
+        result = static_cast<double>(pmc.PeakWorkingSetSize) / static_cast<double>(1024*1024);
+    }
+
+    CloseHandle( hProcess );
+
+    return result;
+}
+
+#else
+
+double get_max_heap_size() {
+    // not available in this platform
+    return -1.0;
+}
+
+#endif
+