iofd

package module

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Versions in this module

v0

v0.3.3

Feb 17, 2026

v0.3.2

Feb 6, 2026

Changes in this version

type TimerFD — linux/amd64

+ func (t *TimerFD) ExpirationsInto(count *uint64) error

v0.3.1

Feb 6, 2026

Changes in this version

type EventFD — linux/amd64

+ func (e *EventFD) WaitInto(val *uint64) error

type TimerFD — linux/amd64

+ func (t *TimerFD) GetTimeDuration() (remaining, interval time.Duration, err error)

v0.3.0

Jan 2, 2026

Changes in this version

+ const MAP_PRIVATE — linux/amd64

+ const MAP_SHARED — linux/amd64

+ const PROT_EXEC — linux/amd64

+ const PROT_NONE — linux/amd64

+ const PROT_READ — linux/amd64

+ const PROT_WRITE — linux/amd64

+ type MappedRegion struct — linux/amd64

+ func (r *MappedRegion) Bytes() []byte

+ func (r *MappedRegion) Len() int

+ func (r *MappedRegion) Ptr() unsafe.Pointer

+ func (r *MappedRegion) Unmap() error

type MemFD — linux/amd64

+ func (m *MemFD) Mmap(length int, prot int) (*MappedRegion, error)

+ func (m *MemFD) MmapAt(length int, prot int, offset int64) (*MappedRegion, error)

v0.2.0

Dec 28, 2025

Changes in this version

type EventFD — linux/amd64

+ func (e *EventFD) Raw() int32

+ func (e *EventFD) Valid() bool

type MemFD — linux/amd64

+ func (m *MemFD) Pread(p []byte, offset int64) (int, error)

+ func (m *MemFD) Pwrite(p []byte, offset int64) (int, error)

+ func (m *MemFD) Raw() int32

type PidFD — linux/amd64

+ func (p *PidFD) Raw() int32

type SignalFD — linux/amd64

+ func (s *SignalFD) Raw() int32

+ func (s *SignalFD) Valid() bool

type TimerFD — linux/amd64

+ func (t *TimerFD) Expirations() (uint64, error)

+ func (t *TimerFD) Raw() int32

+ func (t *TimerFD) Valid() bool

v0.1.1

Dec 25, 2025

v0.1.0

Dec 24, 2025

Changes in this version

+ const CLOCK_BOOTTIME — linux/amd64

+ const CLOCK_MONOTONIC — linux/amd64

+ const CLOCK_REALTIME — linux/amd64

+ const EFD_CLOEXEC — linux/amd64

+ const EFD_NONBLOCK — linux/amd64

+ const EFD_SEMAPHORE — linux/amd64

+ const FD_CLOEXEC — darwin/amd64, linux/amd64

+ const F_ADD_SEALS — linux/amd64

+ const F_DUPFD — darwin/amd64, linux/amd64

+ const F_DUPFD_CLOEXEC — darwin/amd64, linux/amd64

+ const F_GETFD — darwin/amd64, linux/amd64

+ const F_GETFL — darwin/amd64, linux/amd64

+ const F_GET_SEALS — linux/amd64

+ const F_SEAL_FUTURE_WRITE — linux/amd64

+ const F_SEAL_GROW — linux/amd64

+ const F_SEAL_SEAL — linux/amd64

+ const F_SEAL_SHRINK — linux/amd64

+ const F_SEAL_WRITE — linux/amd64

+ const F_SETFD — darwin/amd64, linux/amd64

+ const F_SETFL — darwin/amd64, linux/amd64

+ const MFD_ALLOW_SEALING — linux/amd64

+ const MFD_CLOEXEC — linux/amd64

+ const MFD_EXEC — linux/amd64

+ const MFD_HUGETLB — linux/amd64

+ const MFD_NOEXEC_SEAL — linux/amd64

+ const O_CLOEXEC — darwin/amd64, linux/amd64

+ const O_NONBLOCK — darwin/amd64, linux/amd64

+ const PIDFD_NONBLOCK — linux/amd64

+ const SFD_CLOEXEC — linux/amd64

+ const SFD_NONBLOCK — linux/amd64

+ const SIGABRT — linux/amd64

+ const SIGALRM — linux/amd64

+ const SIGBUS — linux/amd64

+ const SIGCHLD — linux/amd64

+ const SIGCONT — linux/amd64

+ const SIGFPE — linux/amd64

+ const SIGHUP — linux/amd64

+ const SIGILL — linux/amd64

+ const SIGINT — linux/amd64

+ const SIGIO — linux/amd64

+ const SIGKILL — linux/amd64

+ const SIGPIPE — linux/amd64

+ const SIGPROF — linux/amd64

+ const SIGPWR — linux/amd64

+ const SIGQUIT — linux/amd64

+ const SIGSEGV — linux/amd64

+ const SIGSTKFLT — linux/amd64

+ const SIGSTOP — linux/amd64

+ const SIGSYS — linux/amd64

+ const SIGTERM — linux/amd64

+ const SIGTRAP — linux/amd64

+ const SIGTSTP — linux/amd64

+ const SIGTTIN — linux/amd64

+ const SIGTTOU — linux/amd64

+ const SIGURG — linux/amd64

+ const SIGUSR1 — linux/amd64

+ const SIGUSR2 — linux/amd64

+ const SIGVTALRM — linux/amd64

+ const SIGWINCH — linux/amd64

+ const SIGXCPU — linux/amd64

+ const SIGXFSZ — linux/amd64

+ const SYS_DUP — darwin/amd64, linux/amd64

+ const SYS_DUP2 — darwin/amd64, linux/amd64

+ const SYS_DUP3 — darwin/amd64, linux/amd64

+ const SYS_FCNTL — darwin/amd64, linux/amd64

+ const SYS_FSTAT — darwin/amd64, linux/amd64

+ const SYS_FTRUNCATE — darwin/amd64, linux/amd64

+ const TFD_CLOEXEC — linux/amd64

+ const TFD_NONBLOCK — linux/amd64

+ const TFD_TIMER_ABSTIME — linux/amd64

+ var ErrClosed = errors.New("fd: file descriptor closed")

+ var ErrInterrupted = errors.New("fd: interrupted")

+ var ErrInvalidParam = errors.New("fd: invalid parameter")

+ var ErrNoMemory = errors.New("fd: no memory")

+ var ErrOverflow = errors.New("fd: counter overflow")

+ var ErrPermission = errors.New("fd: permission denied")

+ type EventFD struct — linux/amd64

+ func NewEventFD(initval uint) (*EventFD, error)

+ func NewEventFDSemaphore(initval uint) (*EventFD, error)

+ func (e *EventFD) Close() error

+ func (e *EventFD) Fd() int

+ func (e *EventFD) Read(p []byte) (int, error)

+ func (e *EventFD) Signal(val uint64) error

+ func (e *EventFD) Value() (uint64, error)

+ func (e *EventFD) Wait() (uint64, error)

+ func (e *EventFD) Write(p []byte) (int, error)

+ type FD int32 — darwin/amd64, linux/amd64

+ const InvalidFD

+ func NewFD(fd int) FD

+ func (fd *FD) Close() error

+ func (fd *FD) Dup() (FD, error)

+ func (fd *FD) Fd() int

+ func (fd *FD) Raw() int32

+ func (fd *FD) Read(p []byte) (int, error)

+ func (fd *FD) SetCloexec(cloexec bool) error

+ func (fd *FD) SetNonblock(nonblock bool) error

+ func (fd *FD) Valid() bool

+ func (fd *FD) Write(p []byte) (int, error)

+ type Handle interface

+ type MemFD struct — linux/amd64

+ func NewMemFD(name string) (*MemFD, error)

+ func NewMemFDHugeTLB(name string) (*MemFD, error)

+ func NewMemFDSealed(name string) (*MemFD, error)

+ func (m *MemFD) Close() error

+ func (m *MemFD) Fd() int

+ func (m *MemFD) Name() string

+ func (m *MemFD) Read(p []byte) (int, error)

+ func (m *MemFD) Seal(seals uint) error

+ func (m *MemFD) Seals() (uint, error)

+ func (m *MemFD) Size() (int64, error)

+ func (m *MemFD) Truncate(size int64) error

+ func (m *MemFD) Valid() bool

+ func (m *MemFD) Write(p []byte) (int, error)

+ type PidFD struct — linux/amd64

+ func NewPidFD(pid int) (*PidFD, error)

+ func NewPidFDBlocking(pid int) (*PidFD, error)

+ func (p *PidFD) Close() error

+ func (p *PidFD) Fd() int

+ func (p *PidFD) GetFD(targetFD int) (FD, error)

+ func (p *PidFD) PID() int

+ func (p *PidFD) SendSignal(sig int) error

+ func (p *PidFD) Valid() bool

+ type PollCloser interface

+ Close func() error

+ type PollFd interface

+ Fd func() int

+ type ReadWriter interface

+ type Reader interface

+ Read func(p []byte) (n int, err error)

+ type SigSet uint64 — linux/amd64

+ func (s *SigSet) Add(sig int)

+ func (s *SigSet) Del(sig int)

+ func (s SigSet) Empty() bool

+ func (s SigSet) Has(sig int) bool

+ type SignalFD struct — linux/amd64

+ func NewSignalFD(mask SigSet) (*SignalFD, error)

+ func (s *SignalFD) Close() error

+ func (s *SignalFD) Fd() int

+ func (s *SignalFD) Mask() SigSet

+ func (s *SignalFD) Read() (*SignalInfo, error)

+ func (s *SignalFD) ReadInto(buf []byte) (int, error)

+ func (s *SignalFD) SetMask(mask SigSet) error

+ type SignalInfo struct — linux/amd64

+ Addr uint64

+ AddrLsb uint16

+ Arch uint32

+ Band uint32

+ CallAddr uint64

+ Code int32

+ Errno int32

+ FD int32

+ Int int32

+ Overrun uint32

+ PID uint32

+ Ptr uint64

+ Signo uint32

+ Status int32

+ Stime uint64

+ Syscall int32

+ TID uint32

+ Trapno uint32

+ UID uint32

+ Utime uint64

+ type Signaler interface

+ Signal func(val uint64) error

+ Wait func() (uint64, error)

+ type Timer interface

+ Arm func(initial, interval int64) error

+ Disarm func() error

+ Read func() (uint64, error)

+ type TimerFD struct — linux/amd64

+ func NewTimerFD() (*TimerFD, error)

+ func NewTimerFDBoottime() (*TimerFD, error)

+ func NewTimerFDRealtime() (*TimerFD, error)

+ func (t *TimerFD) Arm(initial, interval int64) error

+ func (t *TimerFD) ArmAt(deadline, interval int64) error

+ func (t *TimerFD) ArmDuration(initial, interval time.Duration) error

+ func (t *TimerFD) Close() error

+ func (t *TimerFD) Disarm() error

+ func (t *TimerFD) Fd() int

+ func (t *TimerFD) GetTime() (remaining, interval int64, err error)

+ func (t *TimerFD) Read() (uint64, error)

+ func (t *TimerFD) ReadInto(buf []byte) (int, error)

+ type Writer interface

+ Write func(p []byte) (n int, err error)

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