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-rw-r--r--NxWidgets/UnitTests/nxwm/main.cxx150
-rw-r--r--NxWidgets/nxwm/include/capplicationwindow.hxx4
-rw-r--r--NxWidgets/nxwm/include/cstartwindow.hxx2
-rw-r--r--NxWidgets/nxwm/include/ctaskbar.hxx2
-rw-r--r--NxWidgets/nxwm/include/nxwmconfig.hxx19
-rw-r--r--NxWidgets/nxwm/src/cnxconsole.cxx6
-rw-r--r--NxWidgets/nxwm/src/cstartwindow.cxx2
-rw-r--r--NxWidgets/nxwm/src/ctaskbar.cxx2
-rw-r--r--nuttx/configs/sim/nxwm/defconfig20
-rwxr-xr-xnuttx/include/cxx/cunistd3
-rw-r--r--nuttx/libxx/README.txt73
11 files changed, 238 insertions, 45 deletions
diff --git a/NxWidgets/UnitTests/nxwm/main.cxx b/NxWidgets/UnitTests/nxwm/main.cxx
index 068452cff9..c202e6443d 100644
--- a/NxWidgets/UnitTests/nxwm/main.cxx
+++ b/NxWidgets/UnitTests/nxwm/main.cxx
@@ -62,6 +62,15 @@
# define MAIN_STRING "user_start: "
#endif
+#ifdef CONFIG_HAVE_FILENAME
+# define showTestStepMemory(msg) \
+ _showTestStepMemory((FAR const char*)__FILE__, (int)__LINE__, msg)
+# define showTestCaseMemory(msg) \
+ _showTestCaseMemory((FAR const char*)__FILE__, (int)__LINE__, msg)
+# define showTestMemory(msg) \
+ _showTestMemory((FAR const char*)__FILE__, (int)__LINE__, msg)
+#endif
+
/////////////////////////////////////////////////////////////////////////////
// Private Types
/////////////////////////////////////////////////////////////////////////////
@@ -70,6 +79,9 @@ struct SNxWmTest
{
NxWM::CTaskbar *taskbar; // The task bar
NxWM::CStartWindow *startwindow; // The start window
+ unsigned int mmInitial; // Initial memory usage
+ unsigned int mmStep; // Memory Usage at beginning of test step
+ unsigned int mmSubStep; // Memory Usage at beginning of test sub-step
};
/////////////////////////////////////////////////////////////////////////////
@@ -91,6 +103,118 @@ extern "C" int MAIN_NAME(int argc, char *argv[]);
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
+// Name: updateMemoryUsage
+/////////////////////////////////////////////////////////////////////////////
+
+#ifdef CONFIG_HAVE_FILENAME
+static void updateMemoryUsage(unsigned int *previous,
+ FAR const char *file, int line,
+ FAR const char *msg)
+#else
+static void updateMemoryUsage(unsigned int *previous,
+ FAR const char *msg)
+#endif
+{
+ struct mallinfo mmcurrent;
+
+ /* Get the current memory usage */
+
+#ifdef CONFIG_CAN_PASS_STRUCTS
+ mmcurrent = mallinfo();
+#else
+ (void)mallinfo(&mmcurrent);
+#endif
+
+ /* Show the change from the previous time */
+
+#ifdef CONFIG_HAVE_FILENAME
+ printf("File: %s Line: %d : %s\n", file, line, msg);
+#else
+ printf("\n%s:\n", msg);
+#endif
+ printf(" Before: %8u After: %8u Change: %8d\n",
+ *previous, mmcurrent.uordblks, (int)mmcurrent.uordblks - (int)*previous);
+
+ /* Set up for the next test */
+
+ *previous = mmcurrent.uordblks;
+}
+
+/////////////////////////////////////////////////////////////////////////////
+// Name: showTestCaseMemory
+/////////////////////////////////////////////////////////////////////////////
+
+#ifdef CONFIG_HAVE_FILENAME
+static void _showTestCaseMemory(FAR const char *file, int line, FAR const char *msg)
+{
+ updateMemoryUsage(&g_nxwmtest.mmStep, file, line, msg);
+ g_nxwmtest.mmSubStep = g_nxwmtest.mmInitial;
+}
+#else
+static void showTestCaseMemory(FAR const char *msg)
+{
+ updateMemoryUsage(&g_nxwmtest.mmStep, msg);
+ g_nxwmtest.mmSubStep = g_nxwmtest.mmInitial;
+}
+#endif
+
+/////////////////////////////////////////////////////////////////////////////
+// Name: showTestMemory
+/////////////////////////////////////////////////////////////////////////////
+
+#ifdef CONFIG_HAVE_FILENAME
+static void _showTestMemory(FAR const char *file, int line, FAR const char *msg)
+{
+ updateMemoryUsage(&g_nxwmtest.mmInitial, file, line, msg);
+}
+#else
+static void showTestMemory(FAR const char *msg)
+{
+ updateMemoryUsage(&g_nxwmtest.mmInitial, msg);
+}
+#endif
+
+/////////////////////////////////////////////////////////////////////////////
+// Name: initMemoryUsage
+/////////////////////////////////////////////////////////////////////////////
+
+static void initMemoryUsage(void)
+{
+ struct mallinfo mmcurrent;
+
+#ifdef CONFIG_CAN_PASS_STRUCTS
+ mmcurrent = mallinfo();
+#else
+ (void)mallinfo(&mmcurrent);
+#endif
+
+ g_nxwmtest.mmInitial = mmcurrent.uordblks;
+ g_nxwmtest.mmStep = mmcurrent.uordblks;
+ g_nxwmtest.mmSubStep = mmcurrent.uordblks;
+}
+
+/////////////////////////////////////////////////////////////////////////////
+// Public Functions
+/////////////////////////////////////////////////////////////////////////////
+
+/////////////////////////////////////////////////////////////////////////////
+// Name: showTestStepMemory
+/////////////////////////////////////////////////////////////////////////////
+// Called by ad hoc instrumentation in the NxWM/NxWidgets code
+
+#ifdef CONFIG_HAVE_FILENAME
+void _showTestStepMemory(FAR const char *file, int line, FAR const char *msg)
+{
+ updateMemoryUsage(&g_nxwmtest.mmSubStep, file, line, msg);
+}
+#else
+void showTestStepMemory(FAR const char *msg)
+{
+ updateMemoryUsage(&g_nxwmtest.mmSubStep, msg);
+}
+#endif
+
+/////////////////////////////////////////////////////////////////////////////
// user_start/nxwm_main
/////////////////////////////////////////////////////////////////////////////
@@ -102,6 +226,10 @@ int MAIN_NAME(int argc, char *argv[])
up_cxxinitialize();
#endif
+ // Initialize memory monitor logic
+
+ initMemoryUsage();
+
// Create an instance of the Task Bar.
//
// The general sequence for initializing the task bar is:
@@ -120,6 +248,7 @@ int MAIN_NAME(int argc, char *argv[])
printf(MAIN_STRING "ERROR: Failed to instantiate CTaskbar\n");
return EXIT_FAILURE;
}
+ showTestCaseMemory("After create taskbar");
// Connect to the NX server
@@ -130,6 +259,7 @@ int MAIN_NAME(int argc, char *argv[])
delete g_nxwmtest.taskbar;
return EXIT_FAILURE;
}
+ showTestCaseMemory("After connecting to the server");
// Initialize the task bar
//
@@ -144,7 +274,8 @@ int MAIN_NAME(int argc, char *argv[])
delete g_nxwmtest.taskbar;
return EXIT_FAILURE;
}
-
+ showTestCaseMemory("After initializing memory menager");
+
// Create the start window. The general sequence for setting up the start window is:
//
// 1. Call CTaskBar::openApplicationWindow to create a window for the start window,
@@ -162,6 +293,7 @@ int MAIN_NAME(int argc, char *argv[])
delete g_nxwmtest.taskbar;
return EXIT_FAILURE;
}
+ showTestCaseMemory("After creating start window application window");
printf(MAIN_STRING "Initialize the CApplicationWindow\n");
if (!window->open())
@@ -171,6 +303,7 @@ int MAIN_NAME(int argc, char *argv[])
delete g_nxwmtest.taskbar;
return EXIT_FAILURE;
}
+ showTestCaseMemory("After initializing the start window application window");
printf(MAIN_STRING "Creating the start window application\n");
g_nxwmtest.startwindow = new NxWM::CStartWindow(g_nxwmtest.taskbar, window);
@@ -181,6 +314,7 @@ int MAIN_NAME(int argc, char *argv[])
delete g_nxwmtest.taskbar;
return EXIT_FAILURE;
}
+ showTestCaseMemory("After create the start window application");
// Initialize the NSH library
@@ -192,6 +326,7 @@ int MAIN_NAME(int argc, char *argv[])
delete g_nxwmtest.taskbar;
return EXIT_FAILURE;
}
+ showTestCaseMemory("After initializing the NSH library");
// Add the NxConsole application to the start window
@@ -204,6 +339,7 @@ int MAIN_NAME(int argc, char *argv[])
printf(MAIN_STRING "ERROR: Failed to create CApplicationWindow for the NxConsole\n");
goto noconsole;
}
+ showTestCaseMemory("After creating the NxConsole application window");
printf(MAIN_STRING "Initialize the CApplicationWindow\n");
if (!window->open())
@@ -213,6 +349,7 @@ int MAIN_NAME(int argc, char *argv[])
delete g_nxwmtest.taskbar;
return EXIT_FAILURE;
}
+ showTestCaseMemory("After initializing the NxConsole application window");
printf(MAIN_STRING "Creating the NxConsole application\n");
console = new NxWM::CNxConsole(g_nxwmtest.taskbar, window);
@@ -222,6 +359,7 @@ int MAIN_NAME(int argc, char *argv[])
delete window;
goto noconsole;
}
+ showTestCaseMemory("After creating the NxConsole application");
printf(MAIN_STRING "Adding the NxConsole application to the start window\n");
if (!g_nxwmtest.startwindow->addApplication(console))
@@ -229,6 +367,7 @@ int MAIN_NAME(int argc, char *argv[])
printf(MAIN_STRING "ERROR: Failed to add CNxConsole to the start window\n");
delete window;
}
+ showTestCaseMemory("After adding the NxConsole application");
noconsole:
@@ -244,6 +383,7 @@ noconsole:
printf(MAIN_STRING "ERROR: Failed to create CApplicationWindow for the calculator\n");
goto nocalculator;
}
+ showTestCaseMemory("After creating the calculator application window");
printf(MAIN_STRING "Initialize the CApplicationWindow\n");
if (!window->open())
@@ -253,6 +393,7 @@ noconsole:
delete g_nxwmtest.taskbar;
return EXIT_FAILURE;
}
+ showTestCaseMemory("After creating the initializing application window");
printf(MAIN_STRING "Creating the calculator application\n");
calculator = new NxWM::CCalculator(g_nxwmtest.taskbar, window);
@@ -262,6 +403,7 @@ noconsole:
delete window;
goto nocalculator;
}
+ showTestCaseMemory("After creating the calculator application");
printf(MAIN_STRING "Adding the calculator application to the start window\n");
if (!g_nxwmtest.startwindow->addApplication(calculator))
@@ -269,6 +411,7 @@ noconsole:
printf(MAIN_STRING "ERROR: Failed to add calculator to the start window\n");
delete window;
}
+ showTestCaseMemory("After adding the calculator application");
nocalculator:
#endif
@@ -290,6 +433,7 @@ nocalculator:
delete g_nxwmtest.startwindow;
return EXIT_FAILURE;
}
+ showTestCaseMemory("After starting the start window application");
// Call CTaskBar::startWindowManager to start the display with applications in place.
// This method will not return but will enter the task bar's modal loop.
@@ -308,22 +452,26 @@ nocalculator:
delete g_nxwmtest.startwindow;
return EXIT_FAILURE;
}
+ showTestCaseMemory("After starting the window manager");
// Wait a little bit for the display to stabilize. The simulation pressing of
// the 'start window' icon in the task bar
sleep(2);
g_nxwmtest.taskbar->clickIcon(0);
+ showTestCaseMemory("After clicking the start window icon");
// Wait bit to see the result of the button press. The press the first icon
// in the start menu. That should be the NxConsole icon.
sleep(2);
g_nxwmtest.startwindow->clickIcon(0);
+ showTestCaseMemory("After clicking the NxConsole icon");
// Wait bit to see the result of the button press.
sleep(2);
+ showTestMemory("Final memory usage");
return EXIT_SUCCESS;
}
diff --git a/NxWidgets/nxwm/include/capplicationwindow.hxx b/NxWidgets/nxwm/include/capplicationwindow.hxx
index 167f519977..9243897090 100644
--- a/NxWidgets/nxwm/include/capplicationwindow.hxx
+++ b/NxWidgets/nxwm/include/capplicationwindow.hxx
@@ -184,6 +184,7 @@ namespace NxWM
* used during automated testing of NxWM.
*/
+#ifdef CONFIG_NXWM_UNITTEST
inline void clickMinimizeIcon(int index)
{
// Get the size and position of the widget
@@ -198,12 +199,14 @@ namespace NxWM
m_minimizeImage->click(imagePos.x + (imageSize.w >> 1), imagePos.y + (imageSize.h >> 1));
}
+#endif
/**
* Simulate a mouse click on the stop applicaiton icon. This inline method is only
* used during automated testing of NxWM.
*/
+#ifdef CONFIG_NXWM_UNITTEST
inline void clickStopIcon(int index)
{
// Get the size and position of the widget
@@ -218,6 +221,7 @@ namespace NxWM
m_stopImage->click(imagePos.x + (imageSize.w >> 1), imagePos.y + (imageSize.h >> 1));
}
+#endif
};
}
diff --git a/NxWidgets/nxwm/include/cstartwindow.hxx b/NxWidgets/nxwm/include/cstartwindow.hxx
index 5eeb51781b..924cc7d05b 100644
--- a/NxWidgets/nxwm/include/cstartwindow.hxx
+++ b/NxWidgets/nxwm/include/cstartwindow.hxx
@@ -209,6 +209,7 @@ namespace NxWM
* used during automated testing of NxWM.
*/
+#ifdef CONFIG_NXWM_UNITTEST
inline void clickIcon(int index)
{
if (index < m_slots.size())
@@ -230,6 +231,7 @@ namespace NxWM
image->click(imagePos.x + (imageSize.w >> 1), imagePos.y + (imageSize.h >> 1));
}
}
+#endif
};
}
diff --git a/NxWidgets/nxwm/include/ctaskbar.hxx b/NxWidgets/nxwm/include/ctaskbar.hxx
index c290cb8ae0..4e12fdb2c2 100644
--- a/NxWidgets/nxwm/include/ctaskbar.hxx
+++ b/NxWidgets/nxwm/include/ctaskbar.hxx
@@ -366,6 +366,7 @@ namespace NxWM
* used during automated testing of NxWM.
*/
+#ifdef CONFIG_NXWM_UNITTEST
inline void clickIcon(int index)
{
if (index < m_slots.size())
@@ -387,6 +388,7 @@ namespace NxWM
image->click(imagePos.x + (imageSize.w >> 1), imagePos.y + (imageSize.h >> 1));
}
}
+#endif
};
}
diff --git a/NxWidgets/nxwm/include/nxwmconfig.hxx b/NxWidgets/nxwm/include/nxwmconfig.hxx
index 59ae1e79d1..99383fe020 100644
--- a/NxWidgets/nxwm/include/nxwmconfig.hxx
+++ b/NxWidgets/nxwm/include/nxwmconfig.hxx
@@ -301,4 +301,23 @@
# define CONFIG_NXWM_NXCONSOLE_FONTID CONFIG_NXWM_DEFAULT_FONTID
#endif
+/****************************************************************************
+ * Global Function Prototypes
+ ****************************************************************************/
+/**
+ * Hook to support monitoring of memory usage by the NxWM unit test.
+ */
+
+#ifdef CONFIG_NXWM_UNITTEST
+# ifdef CONFIG_HAVE_FILENAME
+void _showTestStepMemory(FAR const char *file, int line, FAR const char *msg);
+# define showTestStepMemory(msg) \
+ _showTestStepMemory((FAR const char*)__FILE__, (int)__LINE__, msg)
+# else
+void showTestStepMemory(FAR const char *msg);
+# endif
+#else
+# define showTestStepMemory(msg)
+#endif
+
#endif // __INCLUDE_NXWMCONFIG_HXX
diff --git a/NxWidgets/nxwm/src/cnxconsole.cxx b/NxWidgets/nxwm/src/cnxconsole.cxx
index 3cf5e13b95..fb6ca680a2 100644
--- a/NxWidgets/nxwm/src/cnxconsole.cxx
+++ b/NxWidgets/nxwm/src/cnxconsole.cxx
@@ -357,7 +357,9 @@ int CNxConsole::nxconsole(int argc, char *argv[])
}
// Now re-direct stdout and stderr so that they use the NX console driver.
- // Note that stdin is retained (file descriptor 0, probably the the serial console).
+ // Notes: (1) stdin is retained (file descriptor 0, probably the the serial
+ // console). (2) Don't bother trying to put debug instrumentation in the
+ // following becaue it will end up in the NxConsole window.
(void)std::fflush(stdout);
(void)std::fflush(stderr);
@@ -372,7 +374,7 @@ int CNxConsole::nxconsole(int argc, char *argv[])
std::close(fd);
- // Inform the parent thread that we successfully initialize
+ // Inform the parent thread that we successfully initialized
g_nxconvars.result = true;
sem_post(&g_nxconvars.sem);
diff --git a/NxWidgets/nxwm/src/cstartwindow.cxx b/NxWidgets/nxwm/src/cstartwindow.cxx
index 3190f50d96..f25ed8d2b2 100644
--- a/NxWidgets/nxwm/src/cstartwindow.cxx
+++ b/NxWidgets/nxwm/src/cstartwindow.cxx
@@ -457,5 +457,3 @@ void CStartWindow::handleClickEvent(const NXWidgets::CWidgetEventArgs &e)
}
}
-
-
diff --git a/NxWidgets/nxwm/src/ctaskbar.cxx b/NxWidgets/nxwm/src/ctaskbar.cxx
index 2ba0c4b08f..2c6bf660b8 100644
--- a/NxWidgets/nxwm/src/ctaskbar.cxx
+++ b/NxWidgets/nxwm/src/ctaskbar.cxx
@@ -706,7 +706,7 @@ bool CTaskbar::createTaskbarWindow(void)
* @param pPos The new position of the window.
* @return True on success, false on failure.
*/
-
+
m_taskbar->setPosition(&pos);
m_taskbar->setSize(&size);
return true;
diff --git a/nuttx/configs/sim/nxwm/defconfig b/nuttx/configs/sim/nxwm/defconfig
index 5fead7bb84..2fbeb8fa38 100644
--- a/nuttx/configs/sim/nxwm/defconfig
+++ b/nuttx/configs/sim/nxwm/defconfig
@@ -32,7 +32,6 @@
# POSSIBILITY OF SUCH DAMAGE.
#
############################################################################
-CONFIG_NXWM_TASKBAR_LEFT=y
#
# Architecture selection
#
@@ -281,6 +280,14 @@ CONFIG_HAVE_LIBM=y
# CONFIG_NAME_MAX - The maximum size of a file name.
# CONFIG_STDIO_BUFFER_SIZE - Size of the buffer to allocate
# on fopen. (Only if CONFIG_NFILE_STREAMS > 0)
+# CONFIG_STDIO_LINEBUFFER - If standard C buffered I/O is enabled
+# (CONFIG_STDIO_BUFFER_SIZE > 0), then this option may be added
+# to force automatic, line-oriented flushing the output buffer
+# for putc(), fputc(), putchar(), puts(), fputs(), printf(),
+# fprintf(), and vfprintf(). When a newline is encountered in
+# the output string, the output buffer will be flushed. This
+# (slightly) increases the NuttX footprint but supports the kind
+# of behavior that people expect for printf().
# CONFIG_NUNGET_CHARS - Number of characters that can be
# buffered by ungetc() (Only if CONFIG_NFILE_STREAMS > 0)
# CONFIG_PREALLOC_MQ_MSGS - The number of pre-allocated message
@@ -305,7 +312,8 @@ CONFIG_NPTHREAD_KEYS=4
CONFIG_NFILE_DESCRIPTORS=16
CONFIG_NFILE_STREAMS=16
CONFIG_NAME_MAX=32
-CONFIG_STDIO_BUFFER_SIZE=1024
+CONFIG_STDIO_BUFFER_SIZE=256
+CONFIG_STDIO_LINEBUFFER=y
CONFIG_NUNGET_CHARS=2
CONFIG_PREALLOC_MQ_MSGS=32
CONFIG_MQ_MAXMSGSIZE=32
@@ -545,17 +553,23 @@ CONFIG_NX_MXSERVERMSGS=32
CONFIG_NX_MXCLIENTMSGS=16
#
-# NxWidgets
+# NxWidgets / NxWM
#
# Use all defaults except
# 1. Need an especially big server stack size to work with X
# 2. Make the NxWidgets background color match the NxWM back color
+# 3. Taskbar on the left
+# 4. Bigger stack for NxConsole
#
CONFIG_NXWIDGETS_SERVERSTACK=16384
CONFIG_NXWIDGETS_LISTENERSTACK=8192
CONFIG_NXWIDGETS_DEFAULT_BACKGROUNDCOLOR=MKRGB(148,189,215)
CONFIG_NXWIDGETS_DEFAULT_SELECTEDBACKGROUNDCOLOR=MKRGB(206,227,241)
+CONFIG_NXWM_TASKBAR_LEFT=y
+CONFIG_NXWM_NXCONSOLE_STACKSIZE=8192
+CONFIG_NXWM_UNITTEST=y
+
#
# NxConsole Configuration Settings:
#
diff --git a/nuttx/include/cxx/cunistd b/nuttx/include/cxx/cunistd
index 2ddc841445..2f0b712709 100755
--- a/nuttx/include/cxx/cunistd
+++ b/nuttx/include/cxx/cunistd
@@ -41,6 +41,7 @@
//***************************************************************************
#include <unistd.h>
+
//***************************************************************************
// Namespace
//***************************************************************************
@@ -49,6 +50,8 @@ namespace std
{
using ::getpid;
using ::_exit;
+ using ::sleep;
+ using ::usleep;
using ::close;
using ::dup;
using ::dup2;
diff --git a/nuttx/libxx/README.txt b/nuttx/libxx/README.txt
index c97dae4ba4..6cf066f080 100644
--- a/nuttx/libxx/README.txt
+++ b/nuttx/libxx/README.txt
@@ -1,36 +1,37 @@
-libxx/README.txt
-^^^^^^^^^^^^^^^^
-
-This directory contains a fragmentary C++ library that will allow
-to build only the simplest of C++ applications. In the deeply
-embedded world, that is probably all that is necessary. If you
-have a need for more extensive C++ support, the following libraries
-are recommended:
-
- - libstdc++ (part of GCC)
- - STLport http://www.stlport.org/
- - uClibc++ http://cxx.uclibc.org/
-
-At present, only the following are supported here:
-
- - void *operator new(std::size_t nbytes);
- - void operator delete(void* ptr);
- - void operator delete[](void *ptr);
- - void __cxa_pure_virtual(void);
- - int __aeabi_atexit(void* object, void (*destroyer)(void*), void *dso_handle);
-
-operator new
-------------
-
- This operator should take a type of size_t. But size_t has an unknown underlying
- type. In the nuttx sys/types.h header file, size_t is typed as uint32_t
- (which is determined by architecture-specific logic). But the C++
- compiler may believe that size_t is of a different type resulting in
- compilation errors in the operator. Using the underlying integer type
- instead of size_t seems to resolve the compilation issues. Need to
- REVISIT this.
-
- Once some C++ compilers, this will cause an error:
-
- Problem: "'operator new' takes size_t ('...') as first parameter"
- Workaround: Add -fpermissive to the compilation flags
+libxx/README.txt
+^^^^^^^^^^^^^^^^
+
+This directory contains a fragmentary C++ library that will allow
+to build only the simplest of C++ applications. In the deeply
+embedded world, that is probably all that is necessary. If you
+have a need for more extensive C++ support, the following libraries
+are recommended:
+
+ - libstdc++ (part of GCC)
+ - STLport http://www.stlport.org/
+ - uClibc++ http://cxx.uclibc.org/
+ - uSTL http://ustl.sourceforge.net/
+
+At present, only the following are supported here:
+
+ - void *operator new(std::size_t nbytes);
+ - void operator delete(void* ptr);
+ - void operator delete[](void *ptr);
+ - void __cxa_pure_virtual(void);
+ - int __aeabi_atexit(void* object, void (*destroyer)(void*), void *dso_handle);
+
+operator new
+------------
+
+ This operator should take a type of size_t. But size_t has an unknown underlying
+ type. In the nuttx sys/types.h header file, size_t is typed as uint32_t
+ (which is determined by architecture-specific logic). But the C++
+ compiler may believe that size_t is of a different type resulting in
+ compilation errors in the operator. Using the underlying integer type
+ instead of size_t seems to resolve the compilation issues. Need to
+ REVISIT this.
+
+ Once some C++ compilers, this will cause an error:
+
+ Problem: "'operator new' takes size_t ('...') as first parameter"
+ Workaround: Add -fpermissive to the compilation flags