33     : mFd(-1),  in FileSource()
42     mFd = open(filename, O_LARGEFILE | O_RDONLY);  in FileSource()
44     if (mFd >= 0) {  in FileSource()
45         mLength = lseek64(mFd, 0, SEEK_END);  in FileSource()
52     : mFd(fd),  in FileSource()
93     if (mFd >= 0) {  in ~FileSource()
94         ::close(mFd);  in ~FileSource()
95         mFd = -1;  in ~FileSource()
100     return mFd >= 0 ? OK : NO_INIT;  in initCheck()
104     if (mFd < 0) {  in readAt()
125     off64_t result = lseek64(mFd, offset + mOffset, SEEK_SET);  in readAt_l()
131     return ::read(mFd, data, size);  in readAt_l()
137     if (mFd < 0) {  in getSize()