import "github.com/pkg/poller"
Package poller provides level triggered readiness notification and reliable closing of file descriptors.
type WaitPollable struct {
// contains filtered or unexported fields
}WaitPollable represents a file descriptor that can be read/written and polled/waited for readiness notification.
func (p *WaitPollable) Close() errorClose deregisters the WaitPollable and closes the underlying file descriptor.
func (p *WaitPollable) Read(b []byte) (int, error)Read reads up to len(b) bytes from the underlying fd. It returns the number of bytes read and an error, if any. EOF is signaled by a zero count with err set to io.EOF.
Callers to Read will block if there is no data available to read.
func (p *WaitPollable) WaitRead() errorWaitRead waits for the WaitPollable to become ready for reading.
func (p *WaitPollable) WaitWrite() errorWaitWrite waits for the WaitPollable to become ready for writing.
func (p *WaitPollable) Write(b []byte) (int, error)Write writes len(b) bytes to the fd. It returns the number of bytes written and an error, if any. Write returns a non-nil error when n != len(b).
Callers to Write will block if there is no buffer capacity available.
type Poller struct {
// contains filtered or unexported fields
}A Poller provides readiness notification and reliable closing of registered file descriptors.
func New() (*Poller, error)New creates a new Poller.
func (p *Poller) Register(fd uintptr) (*WaitPollable, error)Register registers a file descriptor with the Poller and returns a WaitPollable which can be used for reading/writing as well as readiness notification.
File descriptors registered with the poller will be placed into non-blocking mode.
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