#include <Pagefile_Memory_Pool.h>
Collaboration diagram for ACE_Pagefile_Memory_Pool:

Public Types | |
| typedef ACE_Pagefile_Memory_Pool_Options | OPTIONS |
Public Member Functions | |
| ACE_Pagefile_Memory_Pool (const ACE_TCHAR *backing_store_name=0, const OPTIONS *options=0) | |
| Initialize the pool. | |
| void * | init_acquire (size_t nbytes, size_t &rounded_bytes, int &first_time) |
| Ask system for initial chunk of shared memory. | |
| void * | acquire (size_t nbytes, size_t &rounded_bytes) |
| int | release (int destroy=1) |
| Instruct the memory pool to release all of its resources. | |
| virtual int | seh_selector (void *) |
| int | remap (void *addr) |
| size_t | round_to_page_size (size_t nbytes) |
| Round up to system page size. | |
| size_t | round_to_chunk_size (size_t nbytes) |
| Round up to the chunk size required by the operation system. | |
| int | sync (ssize_t=-1, int=MS_SYNC) |
| int | sync (void *, size_t, int=MS_SYNC) |
| int | protect (ssize_t=-1, int=PROT_RDWR) |
| int | protect (void *, size_t, int=PROT_RDWR) |
| virtual void * | base_addr (void) const |
| void | dump (void) const |
Protected Member Functions | |
| int | map (int &firstTime, size_t appendBytes=0) |
| int | unmap (void) |
| Release the mapping. | |
Private Attributes | |
| Control_Block | local_cb_ |
| Description of what our process mapped. | |
| Control_Block * | shared_cb_ |
| Shared memory pool statistics. | |
| ACE_HANDLE | object_handle_ |
| File mapping handle. | |
| size_t | page_size_ |
| System page size. | |
| ACE_TCHAR | backing_store_name_ [MAXPATHLEN] |
| Name of the backing store where the shared memory pool is kept. | |
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Initialize the pool.
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Acquire at least <nbytes> from the memory pool. <rounded_bytes> is the actual number of bytes allocated. |
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Return the base address of this memory pool, 0 if base_addr never changes. |
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Ask system for initial chunk of shared memory.
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Map portions or the entire pool into the local virtual address space. To do this, we compute the new |
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Instruct the memory pool to release all of its resources.
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Try to extend the virtual address space so that <addr> is now covered by the address mapping. The method succeeds and returns 0 if the backing store has adequate memory to cover this address. Otherwise, it returns -1. This method is typically called by an exception handler for a Win32 structured exception when another process has grown the backing store (and its mapping) and our process now incurs a fault because our mapping isn't in range (yet). |
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Round up to the chunk size required by the operation system.
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Round up to system page size.
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Win32 Structural exception selector. The return value decides how to handle memory pool related structural exceptions. Returns 1, 0, or , -1. |
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Release the mapping.
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Name of the backing store where the shared memory pool is kept.
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Description of what our process mapped.
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File mapping handle.
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System page size.
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Shared memory pool statistics.
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1.3.9.1