attachtest utility to test 1000x attach/detach combos in a cycle

library/DFProcess.cpp

@@ -113,7 +113,7 @@ bool Process::attach()
             break;
         }
     }
-    cout << "Managed to attach to pid " << my_handle << endl;
+    //cout << "Managed to attach to pid " << my_handle << endl;
     
     attached = true;
     g_pProcess = this;

tools/CMakeLists.txt

@@ -5,7 +5,7 @@ IF(UNIX)
 add_definitions(-DLINUX_BUILD)
 ENDIF(UNIX)
 
-# a benchmark program
+# a benchmark program, reads the map 1000x
 ADD_EXECUTABLE(expbench expbench.cpp)
 TARGET_LINK_LIBRARIES(expbench dfhack)
 
@@ -23,4 +23,8 @@ TARGET_LINK_LIBRARIES(cleanmap dfhack)
 
 # creaturedump - basic creature dump - a test of the creature related exports
 ADD_EXECUTABLE(creaturedump creaturedump.cpp)
-TARGET_LINK_LIBRARIES(creaturedump dfhack)
+TARGET_LINK_LIBRARIES(creaturedump dfhack)
+
+# attachtest - 100x attach/detach, 100x reads, 100x writes
+ADD_EXECUTABLE(attachtest attachtest.cpp)
+TARGET_LINK_LIBRARIES(attachtest dfhack)

tools/attachtest.cpp

@@ -0,0 +1,71 @@
+// Attach test
+// attachtest - 100x attach/detach, 100x reads, 100x writes
+
+#include <iostream>
+#include <climits>
+#include <integers.h>
+#include <vector>
+#include <ctime>
+using namespace std;
+
+#include <DFTypes.h>
+#include <DFHackAPI.h>
+
+int main (void)
+{
+    time_t start, end;
+    double time_diff;
+    
+    
+    DFHackAPI *pDF = CreateDFHackAPI("Memory.xml");
+    DFHackAPI &DF = *pDF;
+    if(!DF.Attach())
+    {
+        cerr << "DF not found" << endl;
+        return 1;
+    }
+    if(!DF.Detach())
+    {
+        cerr << "Can't detach from DF" << endl;
+        return 1;
+    }
+    
+    // attach/detach test
+    cout << "Testing attach/detach"  << endl;
+    time(&start);
+    bool all_ok = true;
+    for (int i = 0; i < 1000; i++)
+    {
+        if(DF.Attach())
+        {
+            if(DF.Detach())
+            {
+                continue;
+            }
+            else
+            {
+                cout << "cycle " << i << ", detach failed" << endl;
+                all_ok = false;
+            }
+        }
+        else
+        {
+            cout << "cycle " << i << ", attach failed" << endl;
+            all_ok = false;
+        }
+    }
+    if(!all_ok)
+    {
+        cerr << "failed to attach or detach in cycle! exiting" << endl;
+        return 1;
+    }
+    time(&end);
+    
+    time_diff = difftime(end, start);
+
+    cout << "attach tests done in " << time_diff << " seconds." << endl;
+    cout << "Press any key to continue" << endl;
+    cin.ignore();
+    delete pDF;
+    return 0;
+}