Wheefun I/O Library
0.0.5
Useful I/O Primitives.
|
A Device wrapping a file descriptor. More...
#include <fd.h>
Public Member Functions | |
FDDevice (wfio_fd_t fd, int *error=NULL) | |
Construct a new FDDevice from a file descriptor. More... | |
![]() | |
Device () | |
Construct the default Device. More... | |
Device (CType dev, bool acquire=true) | |
Wrap a wfio_device_t. More... | |
Device (CType dev, IOShare ioshare) | |
Wrap a wfio:device_t using an IOShare. More... | |
WFIO_CXX_DLL | Device (CXXStrategy *strategy) |
Create a new Device from a CXXStrategy. More... | |
Device (const Device &dev) | |
Copy-construct a device. More... | |
~Device () | |
Release this Device. More... | |
size_t | read (void *buf, size_t sz, size_t elem) |
Write elements to this Device. More... | |
size_t | read (void *buf, size_t len) |
Write a vector of bytes to this Device. More... | |
int | read () |
Read a single byte from this Device. More... | |
size_t | write (const void *buf, size_t sz, size_t elem) |
Write a vector of elements to this Device. More... | |
size_t | write (const void *buf, size_t len) |
Write a vector of bytes to this Device. More... | |
bool | write (char c) |
Write a single byte to this Device. More... | |
bool | seek (wfio_off_t offset, wfio_whence_t whence) |
Seek to a position in this Device. More... | |
wfio_off_t | tell () const |
Determine the current stream position of this Device. More... | |
Device | dup () |
Duplicate this Device. More... | |
bool | flush () |
Attempt to flush this Device. More... | |
size_t | bufsz (size_t len) |
Set the buffer size for this Device. More... | |
size_t | bufsz () const |
Obtain the buffer size for this Device. More... | |
bool | buffered () const |
Determine whether or not the device is buffered. More... | |
int | dcntl (::wfio_dcntl_t cmd,...) |
Perform device-independent I/O control on this Device. More... | |
int | ioctl (int cmd,...) |
Perform device-dependent I/O control on this Device. More... | |
int | flags () const throw () |
Obtain the flags vector associated with this Device. | |
int | ecode () const throw () |
Obtain the error code associated with this Device. | |
void | ecode (int ecode) throw () |
Set the error code associated with this Device. More... | |
bool | valid () const throw () |
Determine if this Device is valid. More... | |
operator bool () const throw () | |
Synonymous with this->valid(). More... | |
operator::wfio_device_t * () throw () | |
Implicitly convert this Device into it's C equivalent. | |
WFIO_CXX_DLL Device & | operator= (const Device &rhs) |
Perform assignment on this Device. More... | |
Additional Inherited Members | |
![]() | |
typedef ::wfio_device_t * | CType |
The C type from which a Device is derived. | |
A Device wrapping a file descriptor.
This class wraps a device backed by a file descriptor. On operating systems that support it, this class will provide functionality for such a device.
|
inline |
Construct a new FDDevice from a file descriptor.
fd | The file descriptor to wrap. |
error | An optional error indicator. |