9
0
Fork 0

Upated NxWM comments

git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4692 7fd9a85b-ad96-42d3-883c-3090e2eb8679
This commit is contained in:
patacongo 2012-05-03 19:46:37 +00:00
parent 8e6d6619e1
commit ac3559b5ac
11 changed files with 238 additions and 45 deletions

View File

@ -62,6 +62,15 @@
# define MAIN_STRING "user_start: " # define MAIN_STRING "user_start: "
#endif #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 // Private Types
///////////////////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////////////////
@ -70,6 +79,9 @@ struct SNxWmTest
{ {
NxWM::CTaskbar *taskbar; // The task bar NxWM::CTaskbar *taskbar; // The task bar
NxWM::CStartWindow *startwindow; // The start window 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
}; };
///////////////////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////////////////
@ -90,6 +102,118 @@ extern "C" int MAIN_NAME(int argc, char *argv[]);
// Public Functions // Public Functions
///////////////////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
// 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 // user_start/nxwm_main
///////////////////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////////////////
@ -102,6 +226,10 @@ int MAIN_NAME(int argc, char *argv[])
up_cxxinitialize(); up_cxxinitialize();
#endif #endif
// Initialize memory monitor logic
initMemoryUsage();
// Create an instance of the Task Bar. // Create an instance of the Task Bar.
// //
// The general sequence for initializing the task bar is: // 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"); printf(MAIN_STRING "ERROR: Failed to instantiate CTaskbar\n");
return EXIT_FAILURE; return EXIT_FAILURE;
} }
showTestCaseMemory("After create taskbar");
// Connect to the NX server // Connect to the NX server
@ -130,6 +259,7 @@ int MAIN_NAME(int argc, char *argv[])
delete g_nxwmtest.taskbar; delete g_nxwmtest.taskbar;
return EXIT_FAILURE; return EXIT_FAILURE;
} }
showTestCaseMemory("After connecting to the server");
// Initialize the task bar // Initialize the task bar
// //
@ -144,7 +274,8 @@ int MAIN_NAME(int argc, char *argv[])
delete g_nxwmtest.taskbar; delete g_nxwmtest.taskbar;
return EXIT_FAILURE; return EXIT_FAILURE;
} }
showTestCaseMemory("After initializing memory menager");
// Create the start window. The general sequence for setting up the start window is: // 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, // 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; delete g_nxwmtest.taskbar;
return EXIT_FAILURE; return EXIT_FAILURE;
} }
showTestCaseMemory("After creating start window application window");
printf(MAIN_STRING "Initialize the CApplicationWindow\n"); printf(MAIN_STRING "Initialize the CApplicationWindow\n");
if (!window->open()) if (!window->open())
@ -171,6 +303,7 @@ int MAIN_NAME(int argc, char *argv[])
delete g_nxwmtest.taskbar; delete g_nxwmtest.taskbar;
return EXIT_FAILURE; return EXIT_FAILURE;
} }
showTestCaseMemory("After initializing the start window application window");
printf(MAIN_STRING "Creating the start window application\n"); printf(MAIN_STRING "Creating the start window application\n");
g_nxwmtest.startwindow = new NxWM::CStartWindow(g_nxwmtest.taskbar, window); 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; delete g_nxwmtest.taskbar;
return EXIT_FAILURE; return EXIT_FAILURE;
} }
showTestCaseMemory("After create the start window application");
// Initialize the NSH library // Initialize the NSH library
@ -192,6 +326,7 @@ int MAIN_NAME(int argc, char *argv[])
delete g_nxwmtest.taskbar; delete g_nxwmtest.taskbar;
return EXIT_FAILURE; return EXIT_FAILURE;
} }
showTestCaseMemory("After initializing the NSH library");
// Add the NxConsole application to the start window // 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"); printf(MAIN_STRING "ERROR: Failed to create CApplicationWindow for the NxConsole\n");
goto noconsole; goto noconsole;
} }
showTestCaseMemory("After creating the NxConsole application window");
printf(MAIN_STRING "Initialize the CApplicationWindow\n"); printf(MAIN_STRING "Initialize the CApplicationWindow\n");
if (!window->open()) if (!window->open())
@ -213,6 +349,7 @@ int MAIN_NAME(int argc, char *argv[])
delete g_nxwmtest.taskbar; delete g_nxwmtest.taskbar;
return EXIT_FAILURE; return EXIT_FAILURE;
} }
showTestCaseMemory("After initializing the NxConsole application window");
printf(MAIN_STRING "Creating the NxConsole application\n"); printf(MAIN_STRING "Creating the NxConsole application\n");
console = new NxWM::CNxConsole(g_nxwmtest.taskbar, window); console = new NxWM::CNxConsole(g_nxwmtest.taskbar, window);
@ -222,6 +359,7 @@ int MAIN_NAME(int argc, char *argv[])
delete window; delete window;
goto noconsole; goto noconsole;
} }
showTestCaseMemory("After creating the NxConsole application");
printf(MAIN_STRING "Adding the NxConsole application to the start window\n"); printf(MAIN_STRING "Adding the NxConsole application to the start window\n");
if (!g_nxwmtest.startwindow->addApplication(console)) 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"); printf(MAIN_STRING "ERROR: Failed to add CNxConsole to the start window\n");
delete window; delete window;
} }
showTestCaseMemory("After adding the NxConsole application");
noconsole: noconsole:
@ -244,6 +383,7 @@ noconsole:
printf(MAIN_STRING "ERROR: Failed to create CApplicationWindow for the calculator\n"); printf(MAIN_STRING "ERROR: Failed to create CApplicationWindow for the calculator\n");
goto nocalculator; goto nocalculator;
} }
showTestCaseMemory("After creating the calculator application window");
printf(MAIN_STRING "Initialize the CApplicationWindow\n"); printf(MAIN_STRING "Initialize the CApplicationWindow\n");
if (!window->open()) if (!window->open())
@ -253,6 +393,7 @@ noconsole:
delete g_nxwmtest.taskbar; delete g_nxwmtest.taskbar;
return EXIT_FAILURE; return EXIT_FAILURE;
} }
showTestCaseMemory("After creating the initializing application window");
printf(MAIN_STRING "Creating the calculator application\n"); printf(MAIN_STRING "Creating the calculator application\n");
calculator = new NxWM::CCalculator(g_nxwmtest.taskbar, window); calculator = new NxWM::CCalculator(g_nxwmtest.taskbar, window);
@ -262,6 +403,7 @@ noconsole:
delete window; delete window;
goto nocalculator; goto nocalculator;
} }
showTestCaseMemory("After creating the calculator application");
printf(MAIN_STRING "Adding the calculator application to the start window\n"); printf(MAIN_STRING "Adding the calculator application to the start window\n");
if (!g_nxwmtest.startwindow->addApplication(calculator)) if (!g_nxwmtest.startwindow->addApplication(calculator))
@ -269,6 +411,7 @@ noconsole:
printf(MAIN_STRING "ERROR: Failed to add calculator to the start window\n"); printf(MAIN_STRING "ERROR: Failed to add calculator to the start window\n");
delete window; delete window;
} }
showTestCaseMemory("After adding the calculator application");
nocalculator: nocalculator:
#endif #endif
@ -290,6 +433,7 @@ nocalculator:
delete g_nxwmtest.startwindow; delete g_nxwmtest.startwindow;
return EXIT_FAILURE; return EXIT_FAILURE;
} }
showTestCaseMemory("After starting the start window application");
// Call CTaskBar::startWindowManager to start the display with applications in place. // 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. // This method will not return but will enter the task bar's modal loop.
@ -308,22 +452,26 @@ nocalculator:
delete g_nxwmtest.startwindow; delete g_nxwmtest.startwindow;
return EXIT_FAILURE; return EXIT_FAILURE;
} }
showTestCaseMemory("After starting the window manager");
// Wait a little bit for the display to stabilize. The simulation pressing of // Wait a little bit for the display to stabilize. The simulation pressing of
// the 'start window' icon in the task bar // the 'start window' icon in the task bar
sleep(2); sleep(2);
g_nxwmtest.taskbar->clickIcon(0); 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 // 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. // in the start menu. That should be the NxConsole icon.
sleep(2); sleep(2);
g_nxwmtest.startwindow->clickIcon(0); g_nxwmtest.startwindow->clickIcon(0);
showTestCaseMemory("After clicking the NxConsole icon");
// Wait bit to see the result of the button press. // Wait bit to see the result of the button press.
sleep(2); sleep(2);
showTestMemory("Final memory usage");
return EXIT_SUCCESS; return EXIT_SUCCESS;
} }

View File

@ -184,6 +184,7 @@ namespace NxWM
* used during automated testing of NxWM. * used during automated testing of NxWM.
*/ */
#ifdef CONFIG_NXWM_UNITTEST
inline void clickMinimizeIcon(int index) inline void clickMinimizeIcon(int index)
{ {
// Get the size and position of the widget // 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)); 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 * Simulate a mouse click on the stop applicaiton icon. This inline method is only
* used during automated testing of NxWM. * used during automated testing of NxWM.
*/ */
#ifdef CONFIG_NXWM_UNITTEST
inline void clickStopIcon(int index) inline void clickStopIcon(int index)
{ {
// Get the size and position of the widget // 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)); m_stopImage->click(imagePos.x + (imageSize.w >> 1), imagePos.y + (imageSize.h >> 1));
} }
#endif
}; };
} }

View File

@ -209,6 +209,7 @@ namespace NxWM
* used during automated testing of NxWM. * used during automated testing of NxWM.
*/ */
#ifdef CONFIG_NXWM_UNITTEST
inline void clickIcon(int index) inline void clickIcon(int index)
{ {
if (index < m_slots.size()) if (index < m_slots.size())
@ -230,6 +231,7 @@ namespace NxWM
image->click(imagePos.x + (imageSize.w >> 1), imagePos.y + (imageSize.h >> 1)); image->click(imagePos.x + (imageSize.w >> 1), imagePos.y + (imageSize.h >> 1));
} }
} }
#endif
}; };
} }

View File

@ -366,6 +366,7 @@ namespace NxWM
* used during automated testing of NxWM. * used during automated testing of NxWM.
*/ */
#ifdef CONFIG_NXWM_UNITTEST
inline void clickIcon(int index) inline void clickIcon(int index)
{ {
if (index < m_slots.size()) if (index < m_slots.size())
@ -387,6 +388,7 @@ namespace NxWM
image->click(imagePos.x + (imageSize.w >> 1), imagePos.y + (imageSize.h >> 1)); image->click(imagePos.x + (imageSize.w >> 1), imagePos.y + (imageSize.h >> 1));
} }
} }
#endif
}; };
} }

View File

@ -301,4 +301,23 @@
# define CONFIG_NXWM_NXCONSOLE_FONTID CONFIG_NXWM_DEFAULT_FONTID # define CONFIG_NXWM_NXCONSOLE_FONTID CONFIG_NXWM_DEFAULT_FONTID
#endif #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 #endif // __INCLUDE_NXWMCONFIG_HXX

View File

@ -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. // 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(stdout);
(void)std::fflush(stderr); (void)std::fflush(stderr);
@ -372,7 +374,7 @@ int CNxConsole::nxconsole(int argc, char *argv[])
std::close(fd); std::close(fd);
// Inform the parent thread that we successfully initialize // Inform the parent thread that we successfully initialized
g_nxconvars.result = true; g_nxconvars.result = true;
sem_post(&g_nxconvars.sem); sem_post(&g_nxconvars.sem);

View File

@ -457,5 +457,3 @@ void CStartWindow::handleClickEvent(const NXWidgets::CWidgetEventArgs &e)
} }
} }

View File

@ -706,7 +706,7 @@ bool CTaskbar::createTaskbarWindow(void)
* @param pPos The new position of the window. * @param pPos The new position of the window.
* @return True on success, false on failure. * @return True on success, false on failure.
*/ */
m_taskbar->setPosition(&pos); m_taskbar->setPosition(&pos);
m_taskbar->setSize(&size); m_taskbar->setSize(&size);
return true; return true;

View File

@ -32,7 +32,6 @@
# POSSIBILITY OF SUCH DAMAGE. # POSSIBILITY OF SUCH DAMAGE.
# #
############################################################################ ############################################################################
CONFIG_NXWM_TASKBAR_LEFT=y
# #
# Architecture selection # Architecture selection
# #
@ -281,6 +280,14 @@ CONFIG_HAVE_LIBM=y
# CONFIG_NAME_MAX - The maximum size of a file name. # CONFIG_NAME_MAX - The maximum size of a file name.
# CONFIG_STDIO_BUFFER_SIZE - Size of the buffer to allocate # CONFIG_STDIO_BUFFER_SIZE - Size of the buffer to allocate
# on fopen. (Only if CONFIG_NFILE_STREAMS > 0) # 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 # CONFIG_NUNGET_CHARS - Number of characters that can be
# buffered by ungetc() (Only if CONFIG_NFILE_STREAMS > 0) # buffered by ungetc() (Only if CONFIG_NFILE_STREAMS > 0)
# CONFIG_PREALLOC_MQ_MSGS - The number of pre-allocated message # CONFIG_PREALLOC_MQ_MSGS - The number of pre-allocated message
@ -305,7 +312,8 @@ CONFIG_NPTHREAD_KEYS=4
CONFIG_NFILE_DESCRIPTORS=16 CONFIG_NFILE_DESCRIPTORS=16
CONFIG_NFILE_STREAMS=16 CONFIG_NFILE_STREAMS=16
CONFIG_NAME_MAX=32 CONFIG_NAME_MAX=32
CONFIG_STDIO_BUFFER_SIZE=1024 CONFIG_STDIO_BUFFER_SIZE=256
CONFIG_STDIO_LINEBUFFER=y
CONFIG_NUNGET_CHARS=2 CONFIG_NUNGET_CHARS=2
CONFIG_PREALLOC_MQ_MSGS=32 CONFIG_PREALLOC_MQ_MSGS=32
CONFIG_MQ_MAXMSGSIZE=32 CONFIG_MQ_MAXMSGSIZE=32
@ -545,17 +553,23 @@ CONFIG_NX_MXSERVERMSGS=32
CONFIG_NX_MXCLIENTMSGS=16 CONFIG_NX_MXCLIENTMSGS=16
# #
# NxWidgets # NxWidgets / NxWM
# #
# Use all defaults except # Use all defaults except
# 1. Need an especially big server stack size to work with X # 1. Need an especially big server stack size to work with X
# 2. Make the NxWidgets background color match the NxWM back color # 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_SERVERSTACK=16384
CONFIG_NXWIDGETS_LISTENERSTACK=8192 CONFIG_NXWIDGETS_LISTENERSTACK=8192
CONFIG_NXWIDGETS_DEFAULT_BACKGROUNDCOLOR=MKRGB(148,189,215) CONFIG_NXWIDGETS_DEFAULT_BACKGROUNDCOLOR=MKRGB(148,189,215)
CONFIG_NXWIDGETS_DEFAULT_SELECTEDBACKGROUNDCOLOR=MKRGB(206,227,241) 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: # NxConsole Configuration Settings:
# #

View File

@ -41,6 +41,7 @@
//*************************************************************************** //***************************************************************************
#include <unistd.h> #include <unistd.h>
//*************************************************************************** //***************************************************************************
// Namespace // Namespace
//*************************************************************************** //***************************************************************************
@ -49,6 +50,8 @@ namespace std
{ {
using ::getpid; using ::getpid;
using ::_exit; using ::_exit;
using ::sleep;
using ::usleep;
using ::close; using ::close;
using ::dup; using ::dup;
using ::dup2; using ::dup2;

View File

@ -1,36 +1,37 @@
libxx/README.txt libxx/README.txt
^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^
This directory contains a fragmentary C++ library that will allow This directory contains a fragmentary C++ library that will allow
to build only the simplest of C++ applications. In the deeply to build only the simplest of C++ applications. In the deeply
embedded world, that is probably all that is necessary. If you embedded world, that is probably all that is necessary. If you
have a need for more extensive C++ support, the following libraries have a need for more extensive C++ support, the following libraries
are recommended: are recommended:
- libstdc++ (part of GCC) - libstdc++ (part of GCC)
- STLport http://www.stlport.org/ - STLport http://www.stlport.org/
- uClibc++ http://cxx.uclibc.org/ - uClibc++ http://cxx.uclibc.org/
- uSTL http://ustl.sourceforge.net/
At present, only the following are supported here:
At present, only the following are supported here:
- void *operator new(std::size_t nbytes);
- void operator delete(void* ptr); - void *operator new(std::size_t nbytes);
- void operator delete[](void *ptr); - void operator delete(void* ptr);
- void __cxa_pure_virtual(void); - void operator delete[](void *ptr);
- int __aeabi_atexit(void* object, void (*destroyer)(void*), void *dso_handle); - void __cxa_pure_virtual(void);
- int __aeabi_atexit(void* object, void (*destroyer)(void*), void *dso_handle);
operator new
------------ 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 This operator should take a type of size_t. But size_t has an unknown underlying
(which is determined by architecture-specific logic). But the C++ type. In the nuttx sys/types.h header file, size_t is typed as uint32_t
compiler may believe that size_t is of a different type resulting in (which is determined by architecture-specific logic). But the C++
compilation errors in the operator. Using the underlying integer type compiler may believe that size_t is of a different type resulting in
instead of size_t seems to resolve the compilation issues. Need to compilation errors in the operator. Using the underlying integer type
REVISIT this. instead of size_t seems to resolve the compilation issues. Need to
REVISIT this.
Once some C++ compilers, this will cause an error:
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 Problem: "'operator new' takes size_t ('...') as first parameter"
Workaround: Add -fpermissive to the compilation flags