memleak.cpp

wince平台下

// memLeak.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"

#include <celog.h>

#define MAX_LOADSTRING 100

        // Definitions for our debug zones                               
        #define ZONEID_INIT      0
        #define ZONEID_TRACE     1
        #define ZONEID_MEMORY    2
        #define ZONEID_RSVD3     3
        #define ZONEID_RSVD4     4
        #define ZONEID_RSVD5     5
        #define ZONEID_RSVD6     6
        #define ZONEID_RSVD7     7
        #define ZONEID_RSVD8     8
        #define ZONEID_RSVD9     9
        #define ZONEID_RSVD10   10
        #define ZONEID_RSVD11   11
        #define ZONEID_RSVD12   12
        #define ZONEID_RSVD13   13        
        #define ZONEID_WARN     14
        #define ZONEID_ERROR    15

        // These masks are useful for initialization of dpCurSettings                                    
        #define ZONEMASK_INIT      (1<<ZONEID_INIT) 
        #define ZONEMASK_TRACE     (1<<ZONEID_TRACE) 
        #define ZONEMASK_MEMORY    (1<<ZONEID_MEMORY) 
        #define ZONEMASK_RSVD3     (1<<ZONEID_RSVD3) 
        #define ZONEMASK_RSVD4     (1<<ZONEID_RSVD4) 
        #define ZONEMASK_RSVD5     (1<<ZONEID_RSVD5) 
        #define ZONEMASK_RSVD6     (1<<ZONEID_RSVD6) 
        #define ZONEMASK_RSVD7     (1<<ZONEID_RSVD7) 
        #define ZONEMASK_RSVD8     (1<<ZONEID_RSVD8) 
        #define ZONEMASK_RSVD9     (1<<ZONEID_RSVD9) 
        #define ZONEMASK_RSVD10    (1<<ZONEID_RSVD10)
        #define ZONEMASK_RSVD11    (1<<ZONEID_RSVD11)
        #define ZONEMASK_RSVD12    (1<<ZONEID_RSVD12)
        #define ZONEMASK_RSVD13    (1<<ZONEID_RSVD13)        
        #define ZONEMASK_WARN      (1<<ZONEID_WARN )  
        #define ZONEMASK_ERROR     (1<<ZONEID_ERROR) 
 
#ifdef DEBUG
        // These macros are used as the first arg to DEBUGMSG
        #define ZONE_INIT       DEBUGZONE(ZONEID_INIT)
        #define ZONE_TRACE      DEBUGZONE(ZONEID_TRACE)
        #define ZONE_MEMORY     DEBUGZONE(ZONEID_MEMORY)
        #define ZONE_RSVD3      DEBUGZONE(ZONEID_RSVD3)
        #define ZONE_RSVD4      DEBUGZONE(ZONEID_RSVD4)
        #define ZONE_RSVD5      DEBUGZONE(ZONEID_RSVD5)
        #define ZONE_RSVD6      DEBUGZONE(ZONEID_RSVD6)
        #define ZONE_RSVD7      DEBUGZONE(ZONEID_RSVD7)
        #define ZONE_RSVD8      DEBUGZONE(ZONEID_RSVD8)
        #define ZONE_RSVD9      DEBUGZONE(ZONEID_RSVD9)
        #define ZONE_RSVD10     DEBUGZONE(ZONEID_RSVD10)
        #define ZONE_RSVD11     DEBUGZONE(ZONEID_RSVD11)
        #define ZONE_RSVD12     DEBUGZONE(ZONEID_RSVD12)
        #define ZONE_RSVD13     DEBUGZONE(ZONEID_RSVD13)
        #define ZONE_WARN       DEBUGZONE(ZONEID_WARN )
        #define ZONE_ERROR      DEBUGZONE(ZONEID_ERROR)
#endif

DBGPARAM dpCurSettings = {
    TEXT("MemLeak"), {
        TEXT("Init"),TEXT("Trace Fn( );"),TEXT("Memory"),TEXT(""),
        TEXT(""),TEXT(""),TEXT(""),TEXT(""),
        TEXT(""),TEXT(""),TEXT(""),TEXT(""),
        TEXT(""),TEXT(""),TEXT(""),TEXT("")},
    // By default, turn on the zones for init and errors.
    ZONEMASK_INIT    
}; 


DWORD WINAPI MemoryThread(LPVOID lpParameter);
void AllocateMemory( );
void FreeMemory( );
void StartAllocation( );
void UseMemory( );


MEMORYSTATUS g_MemStatus;
HLOCAL g_tcTemp,g_tc_Temp;
DWORD dwThreadID;
TCHAR szMessage[256];

int WINAPI main (HINSTANCE hInstance, HINSTANCE hInstPrev, LPWSTR pCmdLine, int nCmdShow)
{
	OutputDebugString(L"leakApp Starting\n");

	DEBUGREGISTER(NULL);		// Register the debug zones

	StartAllocation( );
	while(true) {
		Sleep(1000);
	}
	return 0;
}

void StartAllocation( )
{
	g_tcTemp=NULL;
	g_tc_Temp=NULL;

	OutputDebugString(L"Creating Thread...\n");
	CreateThread(NULL,0,(LPTHREAD_START_ROUTINE)MemoryThread,(LPVOID)0,0,&dwThreadID);
}

DWORD WINAPI MemoryThread(LPVOID lpParameter)
{
	while(TRUE) {
		Sleep(500);
		DEBUGMSG (ZONE_TRACE, (TEXT("--------------------------------------------\n")));
		AllocateMemory( );
		UseMemory( );
		FreeMemory( );
	}
}


void AllocateMemory( )
{
	DEBUGMSG (ZONE_TRACE, (TEXT("Enter - AllocateMemory( ) Function\n")));

	DEBUGMSG (ZONE_MEMORY, (TEXT("Check GlobalMemoryStatus( )\n")));
	memset(&g_MemStatus,0x00,sizeof(g_MemStatus));
	g_MemStatus.dwLength=sizeof(g_MemStatus);
	GlobalMemoryStatus(&g_MemStatus);
	DEBUGMSG (ZONE_MEMORY, (TEXT("Memory Load %d%%\n"),g_MemStatus.dwMemoryLoad));

	CELOGDATA(TRUE, CELID_RAW_LONG, &g_MemStatus.dwMemoryLoad, (WORD) (sizeof(DWORD)), 1, CELZONE_MISC);
	
	if (g_MemStatus.dwMemoryLoad < 60) {
		DEBUGMSG (ZONE_MEMORY, (TEXT("Allocate TCHAR *2048 (4096 UNICODE Characters)\n")));
		g_tcTemp=LocalAlloc(LPTR,(2048*sizeof(TCHAR)));	
		DEBUGMSG (ZONE_MEMORY, (TEXT("Pointer 0x%lx\n"),g_tcTemp));

	} else {
		DEBUGMSG (ZONE_MEMORY, (TEXT("Memory Load too high - not allocating memory\n"),g_MemStatus.dwMemoryLoad));
	}

	DEBUGMSG (ZONE_TRACE, (TEXT("Leave - AllocateMemory( ) Function\n")));
}

void FreeMemory( )
{
	DEBUGMSG (ZONE_TRACE, (TEXT("Enter - FreeMemory( ) Function\n")));
	DEBUGMSG (ZONE_MEMORY, (TEXT("Free Pointer 0x%lx\n"),g_tc_Temp));
	LocalFree(g_tc_Temp);
	DEBUGMSG (ZONE_TRACE, (TEXT("Leave - FreeMemory( ) Function\n")));
}

void UseMemory( )
{
	DEBUGMSG (ZONE_TRACE, (TEXT("Enter - UseMemory( ) Function\n")));
	DEBUGMSG (ZONE_MEMORY, (TEXT("Do Something Interesting here.\n")));
	DEBUGMSG (ZONE_TRACE, (TEXT("Leave - UseMemory( ) Function\n")));

}