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author | William R. Otte <wotte@dre.vanderbilt.edu> | 2006-07-24 15:50:30 +0000 |
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committer | William R. Otte <wotte@dre.vanderbilt.edu> | 2006-07-24 15:50:30 +0000 |
commit | c44379cc7d9c7aa113989237ab0f56db12aa5219 (patch) | |
tree | 66a84b20d47f2269d8bdc6e0323f338763424d3a /ACE/ace/Shared_Memory.h | |
parent | 3aff90f4a822fcf5d902bbfbcc9fa931d6191a8c (diff) | |
download | ATCD-c44379cc7d9c7aa113989237ab0f56db12aa5219.tar.gz |
Repo restructuring
Diffstat (limited to 'ACE/ace/Shared_Memory.h')
-rw-r--r-- | ACE/ace/Shared_Memory.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/ACE/ace/Shared_Memory.h b/ACE/ace/Shared_Memory.h new file mode 100644 index 00000000000..2ebc8b79d36 --- /dev/null +++ b/ACE/ace/Shared_Memory.h @@ -0,0 +1,58 @@ +// -*- C++ -*- + +//========================================================================== +/** + * @file Shared_Memory.h + * + * $Id$ + * + * @author Doug Schmidt + */ +//========================================================================== + + +#ifndef ACE_SHARED_MEMORY_H +#define ACE_SHARED_MEMORY_H + +#include /**/ "ace/pre.h" + +#include "ace/ACE_export.h" + +#include "ace/os_include/os_stddef.h" + +#if !defined (ACE_LACKS_PRAGMA_ONCE) +# pragma once +#endif /* ACE_LACKS_PRAGMA_ONCE */ + +ACE_BEGIN_VERSIONED_NAMESPACE_DECL + +/** + * @class ACE_Shared_Memory + * + * @brief This base class adapts both System V shared memory and "BSD" + * mmap to a common API. + * + * This is a very simple-minded wrapper, i.e., it really is only + * useful for allocating large contiguous chunks of shared + * memory. For a much more sophisticated version, please check + * out the <ACE_Malloc> class. + */ +class ACE_Export ACE_Shared_Memory +{ +public: + virtual ~ACE_Shared_Memory (void); + + // = Note that all the following methods are pure virtual. + virtual int close (void) = 0; + virtual int remove (void) = 0; + virtual void *malloc (size_t = 0) = 0; + virtual int free (void *p) = 0; + virtual int get_segment_size (void) const = 0; + virtual ACE_HANDLE get_id (void) const = 0; +}; + +ACE_END_VERSIONED_NAMESPACE_DECL + +#include /**/ "ace/post.h" + +#endif /* ACE_SHARED_MEMORY_H */ |