/*
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%    R e l i n q u i s h U n i q u e F i l e R e s o u r c e                  %
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%  RelinquishUniqueFileResource() relinquishes a unique file resource.
%
%  The format of the RelinquishUniqueFileResource() method is:
%
%      MagickBooleanType RelinquishUniqueFileResource(const char *path)
%
%  A description of each parameter follows:
%
%    o name: the name of the temporary resource.
%
*/
MagickExport MagickBooleanType RelinquishUniqueFileResource(const char *path)
{
  char
    cache_path[MaxTextExtent];

  assert(path != (const char *) NULL);
  (void) LogMagickEvent(ResourceEvent,GetMagickModule(),"%s",path);
  if (temporary_resources != (SplayTreeInfo *) NULL)
    {
      register char
        *p;

      ResetSplayTreeIterator(temporary_resources);
      p=(char *) GetNextKeyInSplayTree(temporary_resources);
      while (p != (char *) NULL)
      {
        if (LocaleCompare(p,path) == 0)
          break;
        p=(char *) GetNextKeyInSplayTree(temporary_resources);
      }
      if (p != (char *) NULL)
        (void) DeleteNodeFromSplayTree(temporary_resources,p);
    }
  (void) CopyMagickString(cache_path,path,MaxTextExtent);
  AppendImageFormat("cache",cache_path);
  (void) ShredFile(cache_path);
  return(ShredFile(path));
}
Exemple #2
0
/*
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%    R e l i n q u i s h U n i q u e F i l e R e s o u r c e                  %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  RelinquishUniqueFileResource() relinquishes a unique file resource.
%
%  The format of the RelinquishUniqueFileResource() method is:
%
%      MagickBooleanType RelinquishUniqueFileResource(const char *path)
%
%  A description of each parameter follows:
%
%    o name: the name of the temporary resource.
%
*/
MagickExport MagickBooleanType RelinquishUniqueFileResource(const char *path)
{
  char
    cache_path[MagickPathExtent];

  MagickBooleanType
    status;

  assert(path != (const char *) NULL);
  status=MagickFalse;
  (void) LogMagickEvent(ResourceEvent,GetMagickModule(),"%s",path);
  if (resource_semaphore == (SemaphoreInfo *) NULL)
    ActivateSemaphoreInfo(&resource_semaphore);
  LockSemaphoreInfo(resource_semaphore);
  if (temporary_resources != (SplayTreeInfo *) NULL)
    status=DeleteNodeFromSplayTree(temporary_resources, (const void *) path);
  UnlockSemaphoreInfo(resource_semaphore);
  (void) CopyMagickString(cache_path,path,MagickPathExtent);
  AppendImageFormat("cache",cache_path);
  (void) ShredFile(cache_path);
  if (status == MagickFalse)
    status=ShredFile(path);
  return(status);
}
Exemple #3
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/*
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+   A s y n c h r o n o u s R e s o u r c e C o m p o n e n t T e r m i n u s %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  AsynchronousResourceComponentTerminus() destroys the resource environment.
%  It differs from ResourceComponentTerminus() in that it can be called from a
%  asynchronous signal handler.
%
%  The format of the ResourceComponentTerminus() method is:
%
%      ResourceComponentTerminus(void)
%
*/
MagickPrivate void AsynchronousResourceComponentTerminus(void)
{
  const char
    *path;

  if (temporary_resources == (SplayTreeInfo *) NULL)
    return;
  /*
    Remove any lingering temporary files.
  */
  ResetSplayTreeIterator(temporary_resources);
  path=(const char *) GetNextKeyInSplayTree(temporary_resources);
  while (path != (const char *) NULL)
  {
    (void) ShredFile(path);
    path=(const char *) GetNextKeyInSplayTree(temporary_resources);
  }
}
Exemple #4
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static void *DestroyTemporaryResources(void *temporary_resource)
{
  (void) ShredFile((char *) temporary_resource);
  temporary_resource=DestroyString((char *) temporary_resource);
  return((void *) NULL);
}