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Diffstat (limited to 'ace/MEM_SAP.h')
-rw-r--r-- | ace/MEM_SAP.h | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/ace/MEM_SAP.h b/ace/MEM_SAP.h deleted file mode 100644 index 853b3dd8772..00000000000 --- a/ace/MEM_SAP.h +++ /dev/null @@ -1,109 +0,0 @@ -/* -*- C++ -*- */ - -//============================================================================= -/** - * @file MEM_SAP.h - * - * $Id$ - * - * @author Nanbor Wang <nanbor@cs.wustl.edu> - */ -//============================================================================= - - -#ifndef ACE_MEM_SAP_H -#define ACE_MEM_SAP_H -#include "ace/pre.h" - -#include "ace/PI_Malloc.h" - -#if !defined (ACE_LACKS_PRAGMA_ONCE) -# pragma once -#endif /* ACE_LACKS_PRAGMA_ONCE */ - -#include "ace/Process_Mutex.h" - -/** - * @class ACE_MEM_SAP - * - * @brief Defines the methods of shared memory management for - * shared memory transport. - */ -class ACE_Export ACE_MEM_SAP -{ -public: - // = Initialization and termination methods. - - /// I'll just hardcode this for mmap for now. -#if (ACE_HAS_POSITION_INDEPENDENT_POINTERS == 1) - typedef ACE_Malloc_T<ACE_MMAP_MEMORY_POOL, ACE_Process_Mutex, ACE_PI_Control_Block> MALLOC_TYPE; -#else - typedef ACE_Malloc_T<ACE_MMAP_MEMORY_POOL, ACE_Process_Mutex, ACE_Control_Block> MALLOC_TYPE; -#endif /* ACE_HAS_POSITION_INDEPENDENT_POINTERS == 1 */ - typedef ACE_MMAP_Memory_Pool_Options MALLOC_OPTIONS; - - /// Destructor. - ~ACE_MEM_SAP (void); - - /// request a buffer of size <size>. Return 0 if the <shm_malloc_> is - /// not initialized. - void *acquire_buffer (const ssize_t size); - - /// release a buffer pointed by <buf>. Return -1 if the <shm_malloc_> - /// is not initialized. - int release_buffer (void *buf); - - /** - * Set the length of buf (containing information) to <n> bytes. - * Return the offset of the <buf> relative to the base address. - * <buf> must be acquired by <get_buffer> method. Return -1 if the - * <shm_malloc_> is not initialized. - */ - off_t set_buf_len (void *buf, - size_t n); - - /** - * Convert the buffer offset <off> to absolute address to <buf>. - * Return the size of valid information containing in the <buf>, - * -1 if <shm_malloc_> is not initialized. - */ - ssize_t get_buf_len (const off_t off, void *&buf); - - /// Remove the shared resouce (mmap file) used by us. - int remove (void); - - /// Dump the state of an object. - void dump (void) const; - - /// Declare the dynamic allocation hooks. - ACE_ALLOC_HOOK_DECLARE; - -protected: - // = Class initializing methods to create/connect to a shared memory pool. - - /** - * Create a new shm_malloc object. Return 0 if succeed and -1 - * otherwise. This method should only be called from an acceptor - * class that wants to create a new memory pool for inter process - * communication. - */ - int create_shm_malloc (const ACE_TCHAR *name, - MALLOC_OPTIONS *options = 0); - - /// Close down the share memory pool. If <remove> != 0, then the - /// mmap file will also get removed. - int close_shm_malloc (const int remove = 0); - - /// Data exchange channel. - MALLOC_TYPE *shm_malloc_; - - /// Constructor. Prevent this class from being instantiated. - ACE_MEM_SAP (void); -}; - -#if !defined (ACE_LACKS_INLINE_FUNCTIONS) -#include "ace/MEM_SAP.i" -#endif /* ACE_LACKS_INLINE_FUNCTIONS */ - -#include "ace/post.h" -#endif /* ACE_SOCK_IO_H */ |