Пример #1
0
/* sbrk */
#if defined(SYS_sbrk)
extern void * _sbrk(intptr_t increment); /* XXX in-kernel prototype */
# if defined(SYS_brk) /* SYS_sbrk && SYS_brk */
extern int _brk(void * addr); /* XXX in-kernel prototype */
void * sbrk(intptr_t increment) /* _brk is used to actually allocate memory */
{
	void * cur;

	if((cur = _sbrk(0)) == (void*)-1 || increment == 0)
		return cur;
	return _brk(cur + increment) != (void*)-1 ? cur : (void*)-1;
}
Пример #2
0
int brk(void *end_data_seg)
{
  if (! end_data_seg)
    return -1;

  kernel_heap_top = _brk(end_data_seg);
  return 0;
}
Пример #3
0
arg_t _sbrk(void)
{
	uaddr_t oldbrk;

	udata.u_argn += (oldbrk = udata.u_break);
	if (_brk())		/* brk (udata.u_argn) */
		return (-1);

	return ((unsigned) oldbrk);
}
Пример #4
0
int
brk(void *end_data_segment)
{
    if (__init_brk() == 0) {
		__curbrk = (void *) _brk(end_data_segment);
		if (__curbrk == end_data_segment)
			return(0);
		errno = ENOMEM;
    }
    return(-1);
}
Пример #5
0
int
__init_brk (void)
{
	if (__curbrk == 0) {
		__curbrk = (void *) _brk(0);
		if (__curbrk == (void *) 0) {
			errno = ENOMEM;
			return -1;
		}
    }
	return 0;
}
Пример #6
0
void * malloc (size_t size)
{
  void * retval;

  if (size <= 0)
    return NULL;

  /* Align on a 4B boundary */
  size = ((size-1) & ~3) + 4;

  if (! kernel_heap_top)
    kernel_heap_top = _brk(0);

  if (! malloc_heap_top)
    malloc_heap_top = kernel_heap_top;

  retval = malloc_heap_top;
  malloc_heap_top += size;

  _brk(malloc_heap_top);
  return retval;
}
Пример #7
0
void * sbrk(intptr_t increment)
{
	static void * cur = &end;
	void * ptr;

	if(increment == 0)
		return cur;
	if(_brk(cur + increment) == -1)
		return (void*)-1;
	ptr = cur;
	cur += increment;
	return ptr;
}
Пример #8
0
int brk(void *addr)
{
	void *newbrk;
	if (curbrk == addr)
		return 0;
	newbrk = _brk(addr);
	curbrk = newbrk;
	if (newbrk < addr) {
		errno = ENOMEM;
		return -1;
	}
	return 0;
}
Пример #9
0
void *
sbrk(intptr_t increment)
{
    if (__init_brk () == 0)
    {
		char * tmp = (char*)__curbrk+increment;
		__curbrk = _brk(tmp);
		if (__curbrk == tmp)
			return tmp-increment;
		__set_errno(ENOMEM);
		return ((void *) -1);
    }
    return ((void *) -1);
}
Пример #10
0
int
__init_brk (void)
{
    if (___brk_addr == 0)
    {
		___brk_addr = _brk(0);
		if (___brk_addr == 0)
		{
		  __set_errno(ENOMEM);
		  return -1;
		}
    }
    return 0;
}
Пример #11
0
int
__init_brk (void)
{
    if (__curbrk == 0)
    {
		__curbrk = _brk(0);
		if (__curbrk == 0)
		{
		  __set_errno(ENOMEM);
		  return -1;
		}
    }
    return 0;
}
Пример #12
0
void * _malloc(struct chunk * _chunk, size_t size){
	void * ret = 0;

	size_t newsize = sizeof(struct chunk*) + sizeof(size_t) + size;
	struct chunk ** tmp = (struct chunk **)_brk(_chunk, newsize);
	if (tmp != 0){
		*tmp = _chunk;
		size_t * _size = (size_t*)++tmp;
		*_size = size;
		ret = (void*)++_size;
		_chunk->count++;
	}

	return ret;
}
Пример #13
0
XN_C_API XnStatus xnOSWaitEvent(const XN_EVENT_HANDLE EventHandle, XnUInt32 nMilliseconds)
{
	XN_VALIDATE_INPUT_PTR(EventHandle);

	if (!EventHandle->bOn)
	{
		// problem: this is a non-threaded environment, so the event will never be set!
		_brk();
		return XN_STATUS_ERROR;
	}

	if (!EventHandle->bManual)
	{
		// reset
		EventHandle->bOn = FALSE;
	}

	// All is good...
	return (XN_STATUS_OK);
}
Пример #14
0
void * _realloc(void * mem, size_t size){
	void * ret = 0;

	struct chunk * _chunk = (struct chunk *)((char*)mem - sizeof(size_t) - sizeof(struct chunk));
	if (_chunk->flag != _flag){
		abort();
	}

	size_t oldsize = *(size_t *)((char*)mem - sizeof(size_t));
	if (oldsize >= size){
		return mem;
	}

	size_t increment = size - oldsize;
	if (increment < (_chunk->size - _chunk->slide)){
		_brk(_chunk, increment);
		ret = mem;
	}

	return ret;
}
Пример #15
0
int brk(void * addr)
{
	return _brk(addr);
}
Пример #16
0
/* brk */
#if defined(SYS_brk)
extern int _brk(void * addr); /* XXX in-kernel prototype */
int brk(void * addr)
{
	return _brk(addr) != -1 ? 0 : -1;
}
Пример #17
0
int FTP::ExpandList(PluginPanelItem *pi,int icn,FP_SizeItemList* il,BOOL FromPlugin,ExpandListCB cb,LPVOID Param)
{
	PROC(("ExpandList","cn:%d, ilcn:%d/%d, %s, cb:%08X",icn,il ? il->Count() : 0,il ? il->MaxCount : 0,FromPlugin?"PLUGIN":"LOCAL",cb))
	BOOL             pSaved  = Host.Home[0] && SelectFile.Length();
	BOOL             old_ext = hConnect ? hConnect->Host.ExtCmdView : FALSE;
	FTPCurrentStates olds = CurrentState;
	int              rc;
	{
		FTPConnectionBreakable _brk(hConnect,FALSE);
		CurrentState  = fcsExpandList;

		if(hConnect)
		{
			hConnect->Host.ExtCmdView = FALSE;
			hConnect->CurrentState    = fcsExpandList;
		}

		if(!pSaved)
			SaveUsedDirNFile();

		rc = ExpandListINT(pi,icn,il,FromPlugin,cb,Param);

		if(hConnect)
		{
			hConnect->Host.ExtCmdView = old_ext;
			hConnect->CurrentState    = olds;
		}

		CurrentState  = olds;
	}
	Log(("ExpandList rc=%d",rc));
#if defined(__FILELOG__)

	if(rc)
	{
		Log(("Expand succ ends containing:"));

		if(il)
			LogPanelItems(il->Items(), il->Count());
		else
			Log(("Files list does not contains files"));
	}

#endif

	if(!pSaved)
	{
		if(!rc)
		{
			SaveLastError _err;

			if(Host.Home[0])
			{
				char str[MAX_PATH];
				GetCurPath(str, ARRAYSIZE(str));

				if(StrCmpI(str, Host.Home) != 0)
					SetDirectory(Host.Home,FP_LastOpMode);
			}
		}
		else
		{
			SelectFile   = "";
			Host.Home[0] = 0;
		}
	}

	return rc;
}