Module vmm_sys_util::aio

Available on Linux or Android only.

Safe wrapper over Linux AIO.

Structs

• IoContext
  Newtype for aio_context_t.
• IoControlBlock
  Wrapper over the iocb structure.
• IoEvent
  Wrapper over the io_event structure.

Constants

• IOCB_CMD_FDSYNC
  Synchronize a file’s in-core data to storage device.
• IOCB_CMD_FSYNC
  Synchronize a file’s in-core metadata and data to storage device.
• IOCB_CMD_NOOP
  Noop, this defined by never used by linux kernel.
• IOCB_CMD_PREAD
  Read from a file descriptor at a given offset.
• IOCB_CMD_PREADV
  Read from a file descriptor at a given offset into multiple buffers.
• IOCB_CMD_PWRITE
  Write to a file descriptor at a given offset.
• IOCB_CMD_PWRITEV
  Write to a file descriptor at a given offset from multiple buffers.
• IOCB_FLAG_RESFD
  Valid flags for the “aio_flags” member of the “struct iocb”. Set if the “aio_resfd” member of the “struct iocb” is valid.
• MAX_REQUESTS
  Maximum number of concurrent requests.