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These changes require rebuilding all.
        =====================================
        * fhandler.h: Add mmap(), munmap() and msync() to fhandler_base
        and fhandler_disk_file.
        * mmem.cc (mmap): Eliminated device dependent implementation details.
        These are moved to the appropriate fhandler class.
        (munmap): Ditto.
        (msync): Ditto.
        (fhandler_base::mmap): New method.
        (fhandler_base::munmap): Ditto.
        (fhandler_base::msync): Ditto.
        (fhandler_disk_file::mmap): Ditto.
        (fhandler_disk_file::munmap): Ditto.
        (fhandler_disk_file::msync): Ditto.
This commit is contained in:
Corinna Vinschen
2000-10-05 13:07:02 +00:00
parent 4e6a4ea8e8
commit d12eba25a5
3 changed files with 220 additions and 64 deletions
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10
winsup/cygwin/fhandler.h
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@ -263,6 +263,11 @@ public:
virtual void dump ();
virtual int dup (fhandler_base *child);
virtual HANDLE mmap (caddr_t *addr, size_t len, DWORD access,
int flags, off_t off);
virtual int munmap (HANDLE h, caddr_t addr, size_t len);
virtual int msync (HANDLE h, caddr_t addr, size_t len, int flags);
void *operator new (size_t, void *p) {return p;}
virtual void init (HANDLE, DWORD, mode_t);
@ -461,6 +466,11 @@ public:
int lock (int, struct flock *);
BOOL is_device () { return FALSE; }
int fstat (struct stat *buf);
virtual HANDLE mmap (caddr_t *addr, size_t len, DWORD access,
int flags, off_t off);
virtual int munmap (HANDLE h, caddr_t addr, size_t len);
virtual int msync (HANDLE h, caddr_t addr, size_t len, int flags);
};
class fhandler_serial: public fhandler_base