Call the allocation of memory function of library

Similar Questions

• Script for the allocation of memory of VMGuest and use

  vSphere 5 is around the corner and we need to adjust and optimize the use of our 1500 vRAM ~ VM, where a couple are certainly empowering.

  
  So, I'm looking for a script to analyze the allocated, consumed and active (highest peak in the past 1 year) guest unique virtual machine memory...
  Could someone help me?

  Take a look at my post to discover the overallocations memory .

• call the XMLQuery pl sql function

  Hi all.
  Is anyone know how to call the function sql pl by XMLQuery query?
  
  For example:
  
  I pl sql function "test()".
  
  And the desire to write this way:
  
  Select XMLQuery (' let $t = test()' returning content);
  
  How to change to work?
  
  Thanks for all the answers.
  Kind regards
  Anton.

  following should give you an idea:

  SQL> select xmlquery(('if (2*2 = ' || power(2,2) || ') then 1 else ()') returning content) x from dual
  
  X
  -----
  1
  1 row selected.
  

• Call the Flash of IE10 function

  Hey guys,.

  So, I'm looking to have some javascript call a flash function.  I have it fully functional with older versions of IE, as IE9. However IE10 won't.

  I followed the example provided by Adobe here: http://help.Adobe.com/en_US/FlashPlatform/reference/ActionScript/3/Flash/external/external Interface.html #addCallback ()

  Using this code example, (in IE10) I'm successfully able to send data to flash on my Javascript, but coming from the other direction, it does not work.

  The error I get is (' object does not support property or method 'methodNameHere' ")

  Does anyone have ideas of what I could use to do?  Or IE10 does not support this communication longer?  Any thoughts are appreciated, thank you!

  ExternalInterface.call("saveglobalscore",score), as you know, is easy to implement.

  ExternalInterface.addCallback("IsStatic",IsStatic) is must more difficult because he has not a lot of flexibility in the HTML, code integration.

  in your embed code, you (try to) embed a swf file that is named ExternalInterfaceExample.swf.  If the SWF with your method addCallback test.swf, it's a problem.

  you need to change one or the other.

• How can I increase the allocation of RAM installed to a specific program installed?

  / * moved from responses Feedbcak * /.

  I have a 6 core Intel CPU with 12 GB of RAM installed in a 64-bit Windows 7 Ultimate OS. The installed chess program I use is allocated only about 3.5 GB of RAM. My computer is almost entirely used for chess and I need to increase the amount of RAM installed
  granted this chess program. How can I do this? I would be grateful for help if anyone can help me.

  Your mention of "only being allocated about 3.5 GB of RAM" leads me to believe that your chess program is 32-bit and the allocation of memory ~3.5Gb is a functional limitation of 32-bit architecture.

  Is a 64 bit version of the program available? The software has its own support forum area where this limitation was discussed and possibly resolved?

• Allocation of memory in ESXi 3.5 problem

  Hello

  Before I switched to using ESXi 3.5 to host my VM guest, I used VMware Server 1.0.6 to the guest virtual machines. However, I think that

  the VMServer could not allocate correct memory that I specified in the virtual machine settings, for example, I put 3 GB of memory to a guest

  OS, but I found that only 1200 MB of memory was allocated in the ohter handler.

  So I now use ESXi 3.5 to host 3 VMs, ESXi 3.5 host has 8 GB of memory, two of these VMs have the allocation of memory 1 800 MB and 4 GB.

  However, on ESXi console, I found that me, the 'use of memory of comments' are only 450MB and 778 MB only.

  It's really out of my expectation, it seems that the memory on the VMware product management is the same.

  Does anyone know how fix memory use such as ESXi comments will not control the dynamic memory allocation?

  In our case, it is not necessary to adjust the consumption of memory intelligently by ESXi from time to time.

  I have attached some screenshots for your reference to screen and hope that the screens are useful to explain the problem.

  Thank you for your kind attention,

  Raymond

  It is possble to use memory locking of operating system invited in a fixed allowance?

  Is called memory reserve.

  You can do this under settings of the computer virtual (tab "resources") or by using the list of resources.

  André

  * If you found this device or any other answer useful please consider awarding points for correct or helpful answers

• vSphere PowerCLI - of different values on the Allocation of resources and 5.1

  Hello

  I have a situation where I was trying to follow in one of our virtual machines that could miss the unlimited check mark on the allocation of memory to the title resources. In doing so, I was in a situation where powerCLI shows values different vsphere for memory and cpu shares until I removed and add the check unlimted box and clicked on OK.

  I guess my question is double.

  1. How will I know if the virtual machine variety is actually being allocated resources properly when there is this difference.

  2. If it's just a property not being pulled to the PowerCLI correctly I presume I can ignore it? If this isn't the case, you know another way to have it acknowledged correctly so I must not go through a hundred servers again and manually perform this procedure.

  Finally, if there is a real problem with the assigned resources hurt if I go through this process and now everything gets double maybe will we have problems with guests not being is not able to manage the new distributions?

  That's what it looks like, top is a bad server and down is a server has been fixed.

  Name: Server01

  MemoryMB: 4096

  NumCpu: 2

  VMResourceConfiguration: CPUShares: Normal / 1000 MemShares: Normal / 25600

  Name: Server02

  MemoryMB: 4096

  NumCpu: 2

  VMResourceConfiguration: CPUShares: Normal / 2000 MemShares: Normal / 40960

  Hope it makes sense.

  Thanks for any idea you may have.

  Shane

  PS... is it just me (IE11) or can't you copy and paste in the editor on this community?

  There is indeed a minor flaw in the value of the shares shows PowerCLI.

  To begin with, what you get for fixed levels are well documented.

  See the distributions of resources

  Which can be seen in the vSphere for a VM client

  

  It is a virtual machine that has 2 vCPU (2 x 1000)

  The cmdlet Get-VMResourceConfiguration to the PowerCLI returns the value that is actually in the VirtualMachine object.

  This value does not seem to take into account the fact that the virtual machine has 2 vCPU, while the vSphere client does not seem to take into account of the # of vCPU.

  

  You can check by doing

  Get - VM MyVM | Select the Name,@{N="CPU actions; E={$_. ExtensionData.Config.CpuAllocation.Shares.Shares}}

  However, if the level of shares is not personalized, the SDK Reference tells us "that if the level is not set to custom, this value is ignored."

  See SharesInfo

  In conclusion, the cmdlet PowerCLI is correct, it returns the value that is there, but this value is irrelevant unless the level is set to Custom.

  PS: I seem to have no problem to copy and paste in the editor.

  Have you tried with another browser?

• Allocation of memory - unlimited option resources

  Looking for assistance with a script that will run on all virtual machines and show where the unlimited option is checked/not checked for the allocation of memory resources.  Any help is appreciated.

  Thank you

  You can get a list of virtual machines and the setting of memory resource allocation with:

  Get-VM | `
  Get-VMResourceConfiguration | `
  Select-Object @{N="Name";E={(Get-View $_.vmid).name}},MemLimitMB
  

  If the value of MemLimitMB is - 1, this means unlimited.

  Best regards, Robert

• CVI 2013 ' FATAL RUN - TIME ERROR: pointer to free memory passed to the function of library "when you access a struct of struct

  #include 
  #include 
  #include 
  
  typedef struct StringsStruct
  {
    char A[10];
    char AA[10];
  
    char B[10];
    char BB[10];
  
    char C[10];
    char CC[10];
  } StringsStructType;
  
  StringsStructType Strings = {0};
  
  char *const SelectedStrings[3] =
  {
    Strings.A,
    Strings.B,
    Strings.C
  };
  
  int __stdcall WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
                         LPSTR lpszCmdLine, int nCmdShow)
  {
    if (InitCVIRTE (hInstance, 0, 0) == 0)
      return -1;    /* out of memory */
  
    strcpy( SelectedStrings[1], "TEXT" );
    /*** FATAL RUN-TIME ERROR:   "main.c", line 32, col 11, thread id 0xXXXXXXXX:   Pointer to free memory passed to library function. ***/
  
    Breakpoint();
  
    return 0;
  }
  

  Any chance to get this working in 2013 CVI?

  "& Strings.A [0]" does not work either.

  Hello CVI - User!

  Thank you for reporting the issue. I filed the bug report # 423491.

  I did have a chance to get rid of the error by changing the definition of the structure, but I was able to get the program running by disabling execution checking when the fields in the structure are initialized:

  strcpy( (char*)(uintptr_t)SelectedStrings[1], "TEXT" );
  

  Or perhaps a more descriptive workaround solution:

  #define UNCHECKED(x) ((void*)(uintptr_t)(x))
  strcpy( UNCHECKED(SelectedStrings[1]), "TEXT" );
  

  Thank you

  Peter

• Call the library function does not find the DLL in the directory where are my LLBs

  I'm using LabVIEW 8.6.  I have a set of screws in several LLBs.  All LLBs located in a directory.  Most of my screws is wrappers for the functions in a DLL.  I was told to put my DLL in the directory where are the LLBs, and apparently this is how the previous programmer has worked (using an earlier version of LabView).

  In the configuration of the library call, I've specified .dll without path.  (This is how we want our screws are an API that will integrate other programmers, so I don't know where they put things and I can't use absolute paths).

  When I insert the VIs in LabVIEW, LabVIEW can not find the DLL and wonder of spotted.  It's just that here in the directory with the LLBs and when I double click on it, everything works fine.  However my absolute path to the DLL now appears in the library to call configuration, and we don't want that.

  Does anyone know how to make this work?  I guess the location of the screw (or LLBs, in this case) should be the current directory and thus Windows search there for the DLL.  However, it seems that this is not the case (in the least, in the latest version of LabVIEW).

  Thank you.

  Batya

  Well someone using your library should not have to dig into your screws and do it all on his own. Instead your library must wrap that and hide disorders it altogether.

  The cluster of error has been added when the dynamic path option has been added. It is not useful hide this error output, so it's always there. As well as the dynamic path, there was the improved error handling added the CLN. One of them is that the level of verification when calling function errors (exception handling) can be specified. I guess that some of these options may generate an error code instead of bring up a dialog box, as they did before and that the output of error code can be useful even in the case of static calls.

  As to what you want to do, I would have long managed that with a DLL that has essentially the same functions as your other wrapper DLLs and an initiliasation function that returns a pointer to a structure of functional distribution based on the actual DLL you want to call. Quite like what an object-oriented function dispatch table is. Then, when your interface initilising you call initialize function and specify the device interface/type that you want to use and after that all other functions take a pointer extra function parameter expedition as the first parameter, in addition to the parameters of the real function. This dispatch function pointer would be just a pointer to a structure that contains the table of function for this interface pointers and the sake of LabVIEW would simply be an integer of size pointer.

  The wrapper function then checks the pointer structure validity send feature and call the actual function with the remaining parameters. It is a C programming and may require a planning and desigining the different interfaces to facilitate this kind of technique of the expedition, but it will certainly pay to long-term and make your library even can be used in previous versions of LabVIEW, so that VB etc. without delicate dynamic loading in the level high, programming environment.

  Rolf Kalbermatter

• allocate memory and call the dll function that writes to the pointer

  Hello!

  I have a DLL that has a function as in the following example, I need to call from labview. In C, I need to allocate memory for data and of course the struct. I add the pointer and the length of the data to the struct and call the function with the struct. The function itself inserts values of the struct and affected memory. Someone at - it a working solution how this can be done with Labview?

  typedef struct Thestruct
  {
  UINT16 val1;
  UINT8 val2;
  UINT8 val3;
  DataLength UINT16;
  UINT8 * data;
  } T_Thestruct;

  MY_API status MY_API_CALL udaReceive (handle, T_Thestruct * args);

  I tried in labview (see photo), but I only got values inside the structure as well as the 1097 error, reserved memory included values as before.

  OK, I found the soluton to my own problem. Alignment on the struct must be corrected in Labview. There must be a value between dataLength 2Bytes dummy and the pointer.

• Get the DLL string (memory allocated for DLL)

  Hi, I'm aware there are a lot of discussions around this topic, but there are a lot of variations and I've never used before LabVIEW, and I seem to have a hard time at a very basic level, so I hope someone can help me with the below simple specific test case to put me on the right track before I pull my hair remaining.

  I've created a DLL with a single function "GenerateGreeting". When it is called, it allocates enough memory for the string "Hello World!" \0"at the pGreeting of pointer, copy this string to the pointer and sets the GreetingLength parameter to the number of allocated bytes (in the DLL in the end, I want to use, there is a DLL function to free the memory allocated for this way).

  I created a header file to go with the DLL containing the following line.

  extern __declspec(dllimport) int __stdcall GenerateGreeting(char* &pGreeting, int &GreetingLength);
  

  I then imported the LabVIEW file using the import Shared Library Wizard. That created a "generate Greeting.vi' and everything seems somewhat sensitive for me (although this does not mean a lot right now). When I run the vi, the ' GreetingLength on ' display correctly '13', the length of the string, but "pGreeting out" shows only three or four characters (which vary in each race), place of the string that is expected of junk.

  The pGreeting parameter is set to the 'String' type, the string "String pointer C" format, size currently Minimum of 4095. I think the problem is that the DLL wants to allocate memory for pGreeting; the caller is supposed to pass a unallocated pointer and let the DLL allocates memory for the string the right amount, but LabVIEW expected the DLL to write in its buffer préallouée. How to with LabVIEW? Most of the functions in the DLL in the end, I want to use work this way, so I hope that's possible. Or I have to rewrite all my DLL functions to use buffers allocated by the appellant?

  The vi , header and the DLL are atteched, tips appreciated. Edit - cannot attach the dll or the headers.

  tony_si wrote:

  extern __declspec(dllimport) int __stdcall GenerateGreeting(char* &pGreeting, int &GreetingLength);
  

  Although char * & pGreeting is actually a thing of C++ (no C compiler I know would accept it) and this basically means that the char pointer is passed as a reference. So, technically, it's a double referenced pointer, however nothing in C++ Specifies that reference parameters should be implemented as a pointer at the hardware level. So free to decide to use some other possible MECHANISM that takes the target CPU architecture support a C compiler constructor. However, for the C++ compilers, I know it's really just syntactic sugar and is implemented internally as a pointer.

  LabVIEW has no type of data that allows to configure this directly. You will have to configure it as a whole size pointer passed as a pointer value and then use a call MoveBlock() or the support VI GetValuePtr() to copy the data on the pointer in a string of LabVIEW.

  AND: You need to know how the DLL allocates the pointer so that you can deallocate it correctly after each call to this function. Otherwise you probably create a leak memory, since you say that the first 4 bytes in the returned buffer always change, this feature seems to assign to each run of a new buffer that you want to deallocate correctly. Unless the DLL uses a Windows such as HeapAlloc() API function for this, it should also export a function according to deallocate the buffer. Functions like malloc() and free() from the C runtime cannot always be applied in the same version between the caller and callee, so that calling free() by calling on a buffer that has been allocated with malloc() in the DLL may not work on the same segment of memory and result in undefined behavior.

• allocation of memory for the pointer in the dll

  Hello

  I am very new to LabVIEW and I was struggling with the third scheduled dll long enough. I am able to configure the device (but with a view of the insufficient resources error code), get the number of connected sensors and the ID of the sensor. But I can't receive data between the device and I think it might be the memory allocation problem.

  I use LabVIEW 2015 32-bit on Windows 10.

  This is the documentation provided by the seller, and the apdm_ctx_t seems to be a void pointer based on the API (typedef Sub apdm_ctx_t)

  APDM_EXPORT apdm_ctx_t apdm_ctx_allocate_new_context (void)
  Allocates memory a handful to be used by the libraries of the apdm.
  Returns
  Zero on success, zero otherwise

  Based on a previous post, I set up the return of the function above to be signed pointer size whole. And the following functions will receive this digital context and pass by value.

  In the attached png, the apdm_get_next_record requires a complicated structure. I have to do as a cluster and supply the function node (see figure).

  The sequence of the vi follows the Matlab code provided by the seller. I have no idea why the vi keeps returning the error code: no data received.

  Any thoughts would be great and I can give you more information if necessary. Thank you!

  Looking briefly at the provided code that I don't see glaring errors. Are you really sure that you do not have misinterprete all return as failuree values or maybe something in your actual System Setup prevents you to get the values you expect?

  You haven't really explained what you think you should get and what you get instead. The matlab example only also shows the use of apdm_ctx_autoconfigure_devices_and_accesspoint5() while you use apdm_ctx_autoconfigure_devices_and_accesspoint4() which I guess is not a big problem, as the example of Matlab is that pass an additional parameter to 0 to the function. However this example shows quite how you're supposed to call apdm_ctx_get_next_record() and then calls apdm_exit() to the end as you do anywhere.

  For now, it seems more a problem with the use of the functions of your DLL in the decree that something that should be fixed in nodes of library call to access your DLL and correctly. A suggestion to improve the screw, you have now would be to actually do the appropriate error handling. for now, these functions have nothing to do with the return value of functions. The right way would be to check the documentation and if a function returns or the return parameter can indicate an error for actually cause the error cluster spread a significant error code endorsements. And all functions except those which is intended to release all resources must have a business structure that incoming error, does nothing and doesn't send the error through.

  But don't blindly assume that, since the function 1 return 0, not for a mistake that all other functions are too. Some might actually return the number of resources found or whatever with 0 to indicate an error or no resources.

• Call the function in LabView from a DLL, and then access the global variable of DLL

  I've created a DLL in LabWindows with a function and structure.  I want to call the function from LabView and then access the overall structure.  I am able to call the function in the DLL with a "call library function node" and has access to the return value, but I can't understand how to access the overall structure.  The structure is declared in the header DLL with __declspec (dllimport) struct parameters file.

  Is it possible to access this structure without using the library of network variables?

  My guess is that you need two bytes of padding after "in_out" and another to two bytes of padding after "anin."  The reason being that ints are 4 bytes, and most of them C compilers will align on 4-byte boundaries.  The struct will naturally start to such a limit (in fact, in Windows, it will probably start to an 8 byte boundary).  If you then count bytes in your structure, you are 70 byte after "in_out."  70 is not divisible by 4, so you need 2 bytes more to reach the next 4 byte boundary.  You can also you could reorganize your struct so that "anin" follows "in_out" and this is probably the best option if it won't cause you other problems.

  Unlike most C compilers, LabVIEW compressed structures as closely as possible, without filling.  I don't know enough about the history of LabVIEW and internal parts to explain the reasons and to do this performance penalty, but, as choice of LabVIEW "endianness", it is probably a remnant of the first versions of LabVIEW that were running on the Mac.

  If for some reason you want to force your C struct to match package LabVIEW, you can use the #pragma pack (x) directive, but I wouldn't recommend that here because you can control the C and LabVIEW.

  EDIT: in the cases where it was not clear, add padding to your cluster of LabVIEW, insert appropriate size or items at the place desired in the cluster.

• Specification of the formal parameters for calling the lib function

  Hello world

  I want to call the function of library in CVI. When I run the project, it shows some unnecessary errors error message "formal parameter specification". (as pictured below)

  I have no ideal with this error, because I call the function of library in VC6, it's OK no problem.

  Could someone help me solve this problem?

  Thank you!

  My CVI file: http://d.99081.com/a710756/Test3.rar

  the errors of the CVI:

  

  The ICB is expected to underscore two traits before declspec (__declspec, not __declspec). VC allows __declspec or __declspec. You can either do a search/replace or add a definition like this in your file:

  #define __declspec __declspec

  A. Mert

  National Instruments