#include <stdio.h>
#impl UnixFileImp as "UnixFileImpl.h"


File* createUnixFileImpl(struct Context* context) {
    File *file = new File();
    file->FileImpl = (union Data*)new FileImpl();
    return file;
}

readBlock(UnixFileImpl* file) {
   Block *block = new Block();
   int len = read(fd, BUFSIZE, block->data);
   block->eof &= ~BLOCK_FLAG_EOF;
   if (len <=0 ) {
       block->eof |= BLOCK_FLAG_EOF;
       close(file->fd);
   } 
   return block ;
}

__code unixOpen(UnixFileImpl* file,Key *key, __code next(Block *block,...));
   file->fd = open(key->path,unix_mode(key->modde));
   if (fd < 0) {
       goto error("can't open");
   }
   goto next(readBlock(file), ...);
}

__code uniAck(UnixFileImpl* file,Ack *ack, __code next(Block *block,...));
   if (!ack->isOk) {
      close(file->fd);
      goto next(...);
   }
   goto next(readBlock(file), ...);   // file is automaticaly put into local dataGearManger/input
}