mars_nwe/mars-flaim
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

First round of changes to support ring 0 NLMs.

Browse Source 
git-svn-id: https://svn.code.sf.net/p/flaim/code/trunk@404 0109f412-320b-0410-ab79-c3e0c5ffbbe6
This commit is contained in:
ahodgkinson
2006-05-10 22:21:40 +00:00
parent ff2b97d5a9
commit 62e33bcd7d
11 changed files with 902 additions and 217 deletions
Download Patch File Download Diff File Expand all files Collapse all files

69
ftk/src/ftkmisc.cpp
View File

@@ -26,18 +26,18 @@
#include "ftksys.h"
static FLMUINT gv_uiStartupCount = 0;
static FLMUINT gv_uiSerialInitCount = 0;
static F_MUTEX gv_hSerialMutex = F_MUTEX_NULL;
static IF_RandomGenerator * gv_pSerialRandom = NULL;
static FLMUINT gv_uiRandomGenInitCount = 0;
static F_MUTEX gv_hRandomGenMutex = F_MUTEX_NULL;
static IF_RandomGenerator * gv_pRandomGenerator = NULL;
static FLMUINT32 * gv_pui32CRCTbl = NULL;
static IF_ThreadMgr * gv_pThreadMgr = NULL;
static IF_FileSystem * gv_pFileSystem = NULL;
static FLMUINT gv_uiMaxFileSize = FLM_MAXIMUM_FILE_SIZE;
static F_XML * gv_pXml = NULL;
FSTATIC RCODE f_initSerialNumberGenerator( void);
FSTATIC RCODE f_initRandomGenerator( void);
FSTATIC void f_freeSerialNumberGenerator( void);
FSTATIC void f_freeRandomGenerator( void);
FSTATIC RCODE f_initCRCTable(
FLMUINT32 ** ppui32CRCTbl);
@@ -120,7 +120,7 @@ RCODE FLMAPI ftkStartup( void)
goto Exit;
}
if( RC_BAD( rc = f_initSerialNumberGenerator()))
if( RC_BAD( rc = f_initRandomGenerator()))
{
goto Exit;
}
@@ -208,7 +208,7 @@ void FLMAPI ftkShutdown( void)
gv_pXml->Release();
}
f_freeSerialNumberGenerator();
f_freeRandomGenerator();
f_freeCharMappingTables();
f_memoryCleanup();
}
@@ -270,22 +270,19 @@ void FLMAPI f_sleep(
#endif
/****************************************************************************
Desc: This routine initializes the serial number generator. If the O/S
does not provide support for GUID generation or if the GUID
routines fail for some reason, a pseudo-GUID will be generated.
Notes: This routine should only be called once by the process.
Desc:
****************************************************************************/
FSTATIC RCODE f_initSerialNumberGenerator( void)
FSTATIC RCODE f_initRandomGenerator( void)
{
FLMUINT uiTime;
RCODE rc = NE_FLM_OK;
if (++gv_uiSerialInitCount > 1)
if (++gv_uiRandomGenInitCount > 1)
{
goto Exit;
}
if( RC_BAD( rc = f_mutexCreate( &gv_hSerialMutex)))
if( RC_BAD( rc = f_mutexCreate( &gv_hRandomGenMutex)))
{
goto Exit;
}
@@ -294,12 +291,12 @@ FSTATIC RCODE f_initSerialNumberGenerator( void)
#if defined( FLM_UNIX) || defined( FLM_NLM)
if( RC_BAD( rc = FlmAllocRandomGenerator( &gv_pSerialRandom)))
if( RC_BAD( rc = FlmAllocRandomGenerator( &gv_pRandomGenerator)))
{
goto Exit;
}
gv_pSerialRandom->setSeed( (FLMUINT32)(uiTime ^ (FLMUINT)getpid()));
gv_pRandomGenerator->setSeed( (FLMUINT32)(uiTime ^ (FLMUINT)getpid()));
#endif
Exit:
@@ -310,22 +307,22 @@ Exit:
/****************************************************************************
Desc:
****************************************************************************/
FSTATIC void f_freeSerialNumberGenerator( void)
FSTATIC void f_freeRandomGenerator( void)
{
if( (--gv_uiSerialInitCount) > 0)
if( (--gv_uiRandomGenInitCount) > 0)
{
return;
}
if( gv_pSerialRandom)
if( gv_pRandomGenerator)
{
gv_pSerialRandom->Release();
gv_pSerialRandom = NULL;
gv_pRandomGenerator->Release();
gv_pRandomGenerator = NULL;
}
if( gv_hSerialMutex != F_MUTEX_NULL)
if( gv_hRandomGenMutex != F_MUTEX_NULL)
{
f_mutexDestroy( &gv_hSerialMutex);
f_mutexDestroy( &gv_hRandomGenMutex);
}
}
@@ -360,16 +357,10 @@ RCODE FLMAPI f_createSerialNumber(
// Generate a pseudo GUID value
f_assert( gv_hSerialMutex != F_MUTEX_NULL);
f_mutexLock( gv_hSerialMutex);
UD2FBA( gv_pSerialRandom->getUINT32(), &pszSerialNum[ 0]);
UD2FBA( gv_pSerialRandom->getUINT32(), &pszSerialNum[ 4]);
UD2FBA( gv_pSerialRandom->getUINT32(), &pszSerialNum[ 8]);
UD2FBA( gv_pSerialRandom->getUINT32(), &pszSerialNum[ 12]);
f_mutexUnlock( gv_hSerialMutex);
UD2FBA( f_getRandomUINT32(), &pszSerialNum[ 0]);
UD2FBA( f_getRandomUINT32(), &pszSerialNum[ 4]);
UD2FBA( f_getRandomUINT32(), &pszSerialNum[ 8]);
UD2FBA( f_getRandomUINT32(), &pszSerialNum[ 12]);
#endif
@@ -1076,7 +1067,7 @@ FLMINT FLMAPI F_Object::Release( void)
/**********************************************************************
Desc:
**********************************************************************/
IF_FileSystem * f_getFileSysPtr( void)
IF_FileSystem * FLMAPI f_getFileSysPtr( void)
{
return( gv_pFileSystem);
}
@@ -1497,3 +1488,13 @@ IF_XML * f_getXmlObjPtr( void)
{
return( gv_pXml);
}
/****************************************************************************
Desc:
****************************************************************************/
FLMUINT32 FLMAPI f_getRandomUINT32(
FLMUINT32 ui32Low,
FLMUINT32 ui32High)
{
return( gv_pRandomGenerator->getUINT32( ui32Low, ui32High));
}