debugger: make watchdog timeout configurable

(cherry picked from commit bf077800)

Conflicts:

	src/plugins/debugger/debuggerplugin.cpp
	src/plugins/debugger/gdb/gdboptionspage.ui

src/plugins/debugger/debuggeractions.cpp

@@ -383,6 +383,12 @@ DebuggerSettings *DebuggerSettings::instance()
     item->setText(tr("Execute line"));
     instance->insertItem(ExecuteCommand, item);
 
+    item = new SavedAction(instance);
+    item->setSettingsKey(debugModeGroup, QLatin1String("WatchdogTimeout"));
+    item->setDefaultValue(20);
+    instance->insertItem(GdbWatchdogTimeout, item);
+
+
     return instance;
 }
 

src/plugins/debugger/debuggeractions.h

@@ -100,6 +100,7 @@ enum DebuggerActionCode
     GdbEnvironment,
     GdbScriptFile,
     ExecuteCommand,
+    GdbWatchdogTimeout,
 
     // Stack
     MaximalStackDepth,

src/plugins/debugger/debuggerplugin.cpp

@@ -359,6 +359,7 @@ QWidget *CommonOptionsPage::createPage(QWidget *parent)
         m_ui.checkBoxEnableReverseDebugging);
     m_group.insert(theDebuggerAction(MaximalStackDepth), 
         m_ui.spinBoxMaximalStackDepth);
+    m_group.insert(theDebuggerAction(GdbWatchdogTimeout), 0);
     m_group.insert(theDebuggerAction(LogTimeStamps), 0);
     m_group.insert(theDebuggerAction(UsePreciseBreakpoints), 0);
 

src/plugins/debugger/gdb/gdbengine.cpp

@@ -195,7 +195,8 @@ GdbEngine::GdbEngine(DebuggerManager *manager) :
 
     m_commandTimer = new QTimer(this);
     m_commandTimer->setSingleShot(true);
-    m_commandTimer->setInterval(COMMAND_TIMEOUT);
+    m_commandTimer->setInterval(
+        1000 * qMin(20, theDebuggerAction(GdbWatchdogTimeout)->value().toInt()));
     connect(m_commandTimer, SIGNAL(timeout()), SLOT(commandTimeout()));
 
     // Needs no resetting in initializeVariables()

src/plugins/debugger/gdb/gdbengine.h

@@ -234,7 +234,6 @@ private: ////////// Gdb Command Management //////////
 
     QHash<int, GdbCommand> m_cookieForToken;
     QTimer *m_commandTimer;
-    enum { COMMAND_TIMEOUT = 20000 };
 
     QByteArray m_pendingConsoleStreamOutput;
     QByteArray m_pendingLogStreamOutput;

src/plugins/debugger/gdb/gdboptionspage.cpp

@@ -52,6 +52,9 @@ QWidget *GdbOptionsPage::createPage(QWidget *parent)
         m_ui.environmentEdit);
     m_group.insert(theDebuggerAction(UsePreciseBreakpoints), 
         m_ui.checkBoxUsePreciseBreakpoints);
+    m_group.insert(theDebuggerAction(GdbWatchdogTimeout), 
+        m_ui.spinBoxGdbWatchdogTimeout);
+
 
 #if 1
     m_ui.groupBoxPluginDebugging->hide();

src/plugins/debugger/gdb/gdboptionspage.ui

@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>429</width>
-    <height>452</height>
+    <width>397</width>
+    <height>322</height>
    </rect>
   </property>
   <layout class="QVBoxLayout" name="verticalLayout">
@@ -36,6 +36,9 @@
         </property>
        </widget>
       </item>
+      <item row="0" column="1">
+       <widget class="Utils::PathChooser" name="gdbLocationChooser" native="true"/>
+      </item>
       <item row="1" column="0">
        <widget class="QLabel" name="labelEnvironment">
         <property name="text">
@@ -59,20 +62,53 @@
       <item row="2" column="1">
        <widget class="Utils::PathChooser" name="scriptFileChooser" native="true"/>
       </item>
-      <item row="0" column="1">
-       <widget class="Utils::PathChooser" name="gdbLocationChooser" native="true"/>
-      </item>
       <item row="3" column="0" colspan="2">
        <widget class="QCheckBox" name="checkBoxUsePreciseBreakpoints">
-        <property name="text">
-         <string>Use full path information to set breakpoints</string>
-        </property>
         <property name="toolTip">
          <string>When this option is checked, the debugger plugin attempts
 to extract full path information for all source files from gdb. This is a
 slow process but enables setting breakpoints in files with the same file
 name in different directories.</string>
         </property>
+        <property name="text">
+         <string>Use full path information to set breakpoints</string>
+        </property>
+       </widget>
+      </item>
+      <item row="4" column="0">
+       <widget class="QLabel" name="labelGdbWatchdogTimeout">
+        <property name="text">
+         <string>Gdb timeout:</string>
+        </property>
+       </widget>
+      </item>
+      <item row="4" column="1">
+       <widget class="QSpinBox" name="spinBoxGdbWatchdogTimeout">
+        <property name="toolTip">
+         <string>This is the number of second Qt Creator will wait before
+it terminates non-reacting gdb process. The default value of 20 seconds
+should be sufficient for most applications, but there are situations when
+loading big libraries or listing source files takes much longer than that
+on slow machines. In this case the value should be increased.</string>
+        </property>
+        <property name="layoutDirection">
+         <enum>Qt::LeftToRight</enum>
+        </property>
+        <property name="specialValueText">
+         <string>&lt;unlimited&gt;</string>
+        </property>
+        <property name="minimum">
+         <number>20</number>
+        </property>
+        <property name="maximum">
+         <number>1000000</number>
+        </property>
+        <property name="singleStep">
+         <number>20</number>
+        </property>
+        <property name="value">
+         <number>20</number>
+        </property>
        </widget>
       </item>
      </layout>