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remove dead code

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git-svn-id: https://profuse.googlecode.com/svn/branches/v2@270 aa027e90-d47c-11dd-86d7-074df07e0730
This commit is contained in:
ksherlock 2010-05-24 13:26:22 +00:00
parent d1cf4ebfff
commit d6f90048d1
1 changed files with 0 additions and 61 deletions
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61
MappedFile.cpp
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@ -1,61 +0,0 @@
#include <unistd.h>
#include <sys/mman.h>
#include <cerrno>
class MappedFile
{
public:
MappedFile(int fd, bool readOnly)
{
_fd = fd;
_length = ::lseek(fd, 0, SEEK_END);
_address = MAP_FAILED;
if (_length > 0)
{
_address = ::mmap(0, _length,
readOnly ? PROT_READ : PROT_READ | PROT_WRITE,
MAP_FILE, fd, 0);
}
}
MappedFile(void *address, size_t size)
{
_fd = -1;
_address = address;
_size = size;
}
~MappedFile()
{
if (_address != MAP_FAILED) ::munmap(_address, _length);
if (_fd != -1) ::close(_fd);
}
void *address() const
{
return _address;
}
size_t length()
{
return _length;
}
int sync()
{
if (::msync(_address, _length, MS_SYNC) == 0)
return 0;
return errno;
}
private:
int _fd;
void *_address;
size_t _length;
};