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Diffstat (limited to 'ACE/ace/SV_Shared_Memory.h')
-rw-r--r-- | ACE/ace/SV_Shared_Memory.h | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/ACE/ace/SV_Shared_Memory.h b/ACE/ace/SV_Shared_Memory.h deleted file mode 100644 index 2b0c7dcb254..00000000000 --- a/ACE/ace/SV_Shared_Memory.h +++ /dev/null @@ -1,121 +0,0 @@ -// -*- C++ -*- - -//========================================================================== -/** - * @file SV_Shared_Memory.h - * - * $Id$ - * - * @author Douglas C. Schmidt <schmidt@cs.wustl.edu> - */ -//========================================================================== - -#ifndef ACE_SV_SHARED_MEMORY_H -#define ACE_SV_SHARED_MEMORY_H - -#include /**/ "ace/pre.h" - -#include /**/ "ace/ACE_export.h" - -#if !defined (ACE_LACKS_PRAGMA_ONCE) -# pragma once -#endif /* ACE_LACKS_PRAGMA_ONCE */ - -#include "ace/os_include/sys/os_stat.h" -#include "ace/os_include/sys/os_ipc.h" -#include "ace/Default_Constants.h" - -ACE_BEGIN_VERSIONED_NAMESPACE_DECL - -/** - * @class ACE_SV_Shared_Memory - * - * @brief This is a wrapper for System V shared memory. - */ -class ACE_Export ACE_SV_Shared_Memory -{ -public: - enum - { - ACE_CREATE = IPC_CREAT, - ACE_OPEN = 0 - }; - - // = Initialization and termination methods. - ACE_SV_Shared_Memory (void); - ACE_SV_Shared_Memory (key_t external_id, - size_t size, - int create, - int perms = ACE_DEFAULT_FILE_PERMS, - void *virtual_addr = 0, - int flags = 0); - - ACE_SV_Shared_Memory (ACE_HANDLE internal_id, - int flags = 0); - - int open (key_t external_id, - size_t size, - int create = ACE_SV_Shared_Memory::ACE_OPEN, - int perms = ACE_DEFAULT_FILE_PERMS); - - int open_and_attach (key_t external_id, - size_t size, - int create = ACE_SV_Shared_Memory::ACE_OPEN, - int perms = ACE_DEFAULT_FILE_PERMS, - void *virtual_addr = 0, - int flags = 0); - - /// Attach this shared memory segment. - int attach (void *virtual_addr = 0, int flags = 0); - - /// Detach this shared memory segment. - int detach (void); - - /// Remove this shared memory segment. - int remove (void); - - /// Forward to underlying System V <shmctl>. - int control (int cmd, void *buf); - - // = Segment-related info. - void *get_segment_ptr (void) const; - size_t get_segment_size (void) const; - - /// Return the ID of the shared memory segment (i.e., an ACE_HANDLE). - ACE_HANDLE get_id (void) const; - - /// Dump the state of an object. - void dump (void) const; - - /// Declare the dynamic allocation hooks. - ACE_ALLOC_HOOK_DECLARE; - -protected: - enum - { - /// Most restrictive alignment. - ALIGN_WORDB = 8 - }; - - /// Internal identifier. - ACE_HANDLE internal_id_; - - /// Size of the mapped segment. - size_t size_; - - /// Pointer to the beginning of the segment. - void *segment_ptr_; - - /// Round up to an appropriate page size. - size_t round_up (size_t len); -}; - -ACE_END_VERSIONED_NAMESPACE_DECL - -#if defined (__ACE_INLINE__) -#include "ace/SV_Shared_Memory.inl" -#endif /* __ACE_INLINE__ */ - -#include /**/ "ace/post.h" - -#endif /* ACE_SV_SHARED_MEMORY_H */ |