view pointpair.h @ 563:c6036e0a511a

Work around the non-universality of fdatasync()

POSIX, which specifies fdatasync(), also apparently specifies that
POSIX_SYNCHRONIZED_IO is defined to a non-zero value if fdatasync() is
available -- or at least that's what the man page suggests on Linux.
This is probably good enough for us, anyway.

// should probably be rewritten
class PointPair {
 public:
  uint32_t trackID;
  uint32_t qpos;
  uint32_t spos;
  PointPair(uint32_t a, uint32_t b, uint32_t c);
};

bool operator<(const PointPair& a, const PointPair& b);