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platform

package

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Versions in this module

v1

v1.0.1

Apr 30, 2024

Changes in this version

+ const CtxPlatform

+ const SignalInterrupt

+ var ErrContextCPUPreempted = fmt.Errorf("interrupted by CPU preemption")

+ var ErrContextInterrupt = fmt.Errorf("interrupted by platform.Context.Interrupt()")

+ var ErrContextSignal = fmt.Errorf("interrupted by signal")

+ func List() (available []string)

+ func Register(name string, platform Constructor)

+ func SystemMMapMinAddr() hostarch.Addr

+ func TryCPUIDEmulate(ctx context.Context, mm MemoryManager, ac *arch.Context64) bool — darwin/amd64, linux/amd64, windows/amd64

+ type AddressSpace interface

+ MapFile func(addr hostarch.Addr, f memmap.File, fr memmap.FileRange, at hostarch.AccessType, ...) error

+ PostFork func()

+ PreFork func()

+ Release func()

+ Unmap func(addr hostarch.Addr, length uint64)

+ type AddressSpaceIO interface

+ CompareAndSwapUint32 func(addr hostarch.Addr, old, new uint32) (uint32, error)

+ CopyIn func(addr hostarch.Addr, dst []byte) (int, error)

+ CopyOut func(addr hostarch.Addr, src []byte) (int, error)

+ LoadUint32 func(addr hostarch.Addr) (uint32, error)

+ SwapUint32 func(addr hostarch.Addr, new uint32) (uint32, error)

+ ZeroOut func(addr hostarch.Addr, toZero uintptr) (uintptr, error)

+ type Constructor interface

+ New func(deviceFile *fd.FD) (Platform, error)

+ OpenDevice func(devicePath string) (*fd.FD, error)

+ PrecompiledSeccompInfo func() []SeccompInfo

+ Requirements func() Requirements

+ func Lookup(name string) (Constructor, error)

+ type Context interface

+ FullStateChanged func()

+ Interrupt func()

+ PrepareSleep func()

+ PullFullState func(as AddressSpace, ac *arch.Context64) error

+ Release func()

+ Switch func(ctx context.Context, mm MemoryManager, ac *arch.Context64, cpu int32) (*linux.SignalInfo, hostarch.AccessType, error)

+ type ContextError struct

+ Err error

+ Errno unix.Errno

+ func (e *ContextError) Error() string

+ type DoesNotOwnPageTables struct

+ func (DoesNotOwnPageTables) OwnsPageTables() bool

+ type DoesOwnPageTables struct

+ func (DoesOwnPageTables) OwnsPageTables() bool

+ type MMapMinAddr struct

+ func (*MMapMinAddr) MinUserAddress() hostarch.Addr

+ type MemoryManager interface

+ AddressSpace func() AddressSpace

+ FindVMAByName func(ar hostarch.AddrRange, hint string) (hostarch.Addr, uint64, error)

+ MMap func(ctx context.Context, opts memmap.MMapOpts) (hostarch.Addr, error)

+ type NoAddressSpaceIO struct

+ func (NoAddressSpaceIO) CompareAndSwapUint32(addr hostarch.Addr, old, new uint32) (uint32, error)

+ func (NoAddressSpaceIO) CopyIn(addr hostarch.Addr, dst []byte) (int, error)

+ func (NoAddressSpaceIO) CopyOut(addr hostarch.Addr, src []byte) (int, error)

+ func (NoAddressSpaceIO) LoadUint32(addr hostarch.Addr) (uint32, error)

+ func (NoAddressSpaceIO) SwapUint32(addr hostarch.Addr, new uint32) (uint32, error)

+ func (NoAddressSpaceIO) ZeroOut(addr hostarch.Addr, toZero uintptr) (uintptr, error)

+ type NoCPUPreemptionDetection struct

+ func (NoCPUPreemptionDetection) DetectsCPUPreemption() bool

+ func (NoCPUPreemptionDetection) PreemptAllCPUs() error

+ type Platform interface

+ CooperativelySchedulesAddressSpace func() bool

+ DetectsCPUPreemption func() bool

+ GlobalMemoryBarrier func() error

+ HaveGlobalMemoryBarrier func() bool

+ MapUnit func() uint64

+ MaxUserAddress func() hostarch.Addr

+ MinUserAddress func() hostarch.Addr

+ NewAddressSpace func(mappingsID any) (AddressSpace, <-chan struct{}, error)

+ NewContext func(context.Context) Context

+ OwnsPageTables func() bool

+ PreemptAllCPUs func() error

+ SeccompInfo func() SeccompInfo

+ SupportsAddressSpaceIO func() bool

+ func FromContext(ctx context.Context) Platform

+ type Requirements struct

+ RequiresCapSysPtrace bool

+ RequiresCurrentPIDNS bool

+ type SeccompInfo interface

+ ConfigKey func() string

+ HottestSyscalls func() []uintptr

+ SyscallFilters func(vars precompiledseccomp.Values) seccomp.SyscallRules

+ Variables func() precompiledseccomp.Values

+ type SegmentationFault struct

+ Addr hostarch.Addr

+ func (f SegmentationFault) Error() string

+ type StaticSeccompInfo struct

+ Filters seccomp.SyscallRules

+ HotSyscalls []uintptr

+ PlatformName string

+ func (StaticSeccompInfo) Variables() precompiledseccomp.Values

+ func (s StaticSeccompInfo) ConfigKey() string

+ func (s StaticSeccompInfo) HottestSyscalls() []uintptr

+ func (s StaticSeccompInfo) SyscallFilters(precompiledseccomp.Values) seccomp.SyscallRules

+ type UseHostGlobalMemoryBarrier struct

+ func (UseHostGlobalMemoryBarrier) GlobalMemoryBarrier() error

+ func (UseHostGlobalMemoryBarrier) HaveGlobalMemoryBarrier() bool

+ type UseHostProcessMemoryBarrier struct

+ func (UseHostProcessMemoryBarrier) GlobalMemoryBarrier() error

+ func (UseHostProcessMemoryBarrier) HaveGlobalMemoryBarrier() bool