NAME

ACE_Shared_Memory_MM - Shared memory wrapper based on MMAP.

SYNOPSIS


#include <ace/Shared_Memory_MM.h>


class ACE_Shared_Memory_MM : public ACE_Shared_Memory
{
  public:
    ACE_Shared_Memory_MM (void);
    ACE_Shared_Memory_MM (
        ACE_HANDLE handle,
        int length = -1,
        int prot = PROT_RDWR,
        int share = MAP_PRIVATE,
        char *addr = 0,
        off_t pos = 0
        );
    ACE_Shared_Memory_MM (
        char file_name[],
        int len = -1,
        int flags = O_RDWR | O_CREAT,
        int mode = ACE_DEFAULT_PERMS,
        int prot = PROT_RDWR,
        int share = MAP_SHARED,
        char *addr = 0,
        off_t pos = 0
        );
    int open (
        ACE_HANDLE handle,
        int length = -1,
        int prot = PROT_RDWR,
        int share = MAP_PRIVATE,
        char *addr = 0,
        off_t pos = 0
        );
    int open (
        char file_name[],
        int len = -1,
        int flags = O_RDWR | O_CREAT,
        int mode = ACE_DEFAULT_PERMS,
        int prot = PROT_RDWR,
        int share = MAP_SHARED,
        char *addr = 0,
        off_t pos = 0
        );
    virtual int close (void);
    virtual int remove (void);
    virtual void *malloc (size_t size = 0);
    virtual int free (void *p);
    virtual int get_segment_size (void) const;
    virtual ACE_HANDLE get_id (void) const;
    void dump (void) const;
    ACE_ALLOC_HOOK_DECLARE;
  private:
    ACE_Mem_Map shared_memory_;
};

Initialization and termination methods.

ACE_Shared_Memory_MM (void);
ACE_Shared_Memory_MM (
    ACE_HANDLE handle,
    int length = -1,
    int prot = PROT_RDWR,
    int share = MAP_PRIVATE,
    char *addr = 0,
    off_t pos = 0
    );
ACE_Shared_Memory_MM (
    char file_name[],
    int len = -1,
    int flags = O_RDWR | O_CREAT,
    int mode = ACE_DEFAULT_PERMS,
    int prot = PROT_RDWR,
    int share = MAP_SHARED,
    char *addr = 0,
    off_t pos = 0
    );
int open (
    ACE_HANDLE handle,
    int length = -1,
    int prot = PROT_RDWR,
    int share = MAP_PRIVATE,
    char *addr = 0,
    off_t pos = 0
    );
int open (
    char file_name[],
    int len = -1,
    int flags = O_RDWR | O_CREAT,
    int mode = ACE_DEFAULT_PERMS,
    int prot = PROT_RDWR,
    int share = MAP_SHARED,
    char *addr = 0,
    off_t pos = 0
    );
virtual int close (void);
virtual int remove (void);

Allocation and deallocation methods.

virtual void *malloc (size_t size = 0);
virtual int free (void *p);
virtual int get_segment_size (void) const;
virtual ACE_HANDLE get_id (void) const;
void dump (void) const;
ACE_ALLOC_HOOK_DECLARE;

AUTHOR

Doug Schmidt

LIBRARY

ace