mirror of
https://gitea.com/Lydanne/buildx.git
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vendor: update buildkit to master@d5c1d785b042
Signed-off-by: Justin Chadwell <me@jedevc.com>
This commit is contained in:
Justin Chadwell
224
vendor/golang.org/x/sys/unix/syscall_linux.go
generated
vendored
224
vendor/golang.org/x/sys/unix/syscall_linux.go
generated
vendored
@ -693,10 +693,10 @@ type SockaddrALG struct {
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func (sa *SockaddrALG) sockaddr() (unsafe.Pointer, _Socklen, error) {
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// Leave room for NUL byte terminator.
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if len(sa.Type) > 13 {
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if len(sa.Type) > len(sa.raw.Type)-1 {
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return nil, 0, EINVAL
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}
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if len(sa.Name) > 63 {
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if len(sa.Name) > len(sa.raw.Name)-1 {
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return nil, 0, EINVAL
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}
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@ -704,17 +704,8 @@ func (sa *SockaddrALG) sockaddr() (unsafe.Pointer, _Socklen, error) {
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sa.raw.Feat = sa.Feature
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sa.raw.Mask = sa.Mask
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typ, err := ByteSliceFromString(sa.Type)
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if err != nil {
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return nil, 0, err
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}
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name, err := ByteSliceFromString(sa.Name)
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if err != nil {
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return nil, 0, err
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}
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copy(sa.raw.Type[:], typ)
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copy(sa.raw.Name[:], name)
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copy(sa.raw.Type[:], sa.Type)
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copy(sa.raw.Name[:], sa.Name)
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return unsafe.Pointer(&sa.raw), SizeofSockaddrALG, nil
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}
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@ -1699,12 +1690,23 @@ func PtracePokeUser(pid int, addr uintptr, data []byte) (count int, err error) {
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return ptracePoke(PTRACE_POKEUSR, PTRACE_PEEKUSR, pid, addr, data)
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}
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// elfNT_PRSTATUS is a copy of the debug/elf.NT_PRSTATUS constant so
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// x/sys/unix doesn't need to depend on debug/elf and thus
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// compress/zlib, debug/dwarf, and other packages.
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const elfNT_PRSTATUS = 1
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func PtraceGetRegs(pid int, regsout *PtraceRegs) (err error) {
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return ptracePtr(PTRACE_GETREGS, pid, 0, unsafe.Pointer(regsout))
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var iov Iovec
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iov.Base = (*byte)(unsafe.Pointer(regsout))
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iov.SetLen(int(unsafe.Sizeof(*regsout)))
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return ptracePtr(PTRACE_GETREGSET, pid, uintptr(elfNT_PRSTATUS), unsafe.Pointer(&iov))
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}
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func PtraceSetRegs(pid int, regs *PtraceRegs) (err error) {
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return ptracePtr(PTRACE_SETREGS, pid, 0, unsafe.Pointer(regs))
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var iov Iovec
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iov.Base = (*byte)(unsafe.Pointer(regs))
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iov.SetLen(int(unsafe.Sizeof(*regs)))
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return ptracePtr(PTRACE_SETREGSET, pid, uintptr(elfNT_PRSTATUS), unsafe.Pointer(&iov))
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}
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func PtraceSetOptions(pid int, options int) (err error) {
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@ -1874,7 +1876,7 @@ func Getpgrp() (pid int) {
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//sys PerfEventOpen(attr *PerfEventAttr, pid int, cpu int, groupFd int, flags int) (fd int, err error)
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//sys PivotRoot(newroot string, putold string) (err error) = SYS_PIVOT_ROOT
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//sys Prctl(option int, arg2 uintptr, arg3 uintptr, arg4 uintptr, arg5 uintptr) (err error)
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//sys Pselect(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timespec, sigmask *Sigset_t) (n int, err error) = SYS_PSELECT6
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//sys pselect6(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timespec, sigmask *sigset_argpack) (n int, err error)
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//sys read(fd int, p []byte) (n int, err error)
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//sys Removexattr(path string, attr string) (err error)
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//sys Renameat2(olddirfd int, oldpath string, newdirfd int, newpath string, flags uint) (err error)
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@ -1977,8 +1979,6 @@ func Signalfd(fd int, sigmask *Sigset_t, flags int) (newfd int, err error) {
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//sys Unshare(flags int) (err error)
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//sys write(fd int, p []byte) (n int, err error)
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//sys exitThread(code int) (err error) = SYS_EXIT
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//sys readlen(fd int, p *byte, np int) (n int, err error) = SYS_READ
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//sys writelen(fd int, p *byte, np int) (n int, err error) = SYS_WRITE
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//sys readv(fd int, iovs []Iovec) (n int, err error) = SYS_READV
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//sys writev(fd int, iovs []Iovec) (n int, err error) = SYS_WRITEV
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//sys preadv(fd int, iovs []Iovec, offs_l uintptr, offs_h uintptr) (n int, err error) = SYS_PREADV
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@ -2113,21 +2113,7 @@ func writevRacedetect(iovecs []Iovec, n int) {
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// mmap varies by architecture; see syscall_linux_*.go.
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//sys munmap(addr uintptr, length uintptr) (err error)
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var mapper = &mmapper{
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active: make(map[*byte][]byte),
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mmap: mmap,
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munmap: munmap,
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}
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func Mmap(fd int, offset int64, length int, prot int, flags int) (data []byte, err error) {
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return mapper.Mmap(fd, offset, length, prot, flags)
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}
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func Munmap(b []byte) (err error) {
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return mapper.Munmap(b)
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}
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//sys mremap(oldaddr uintptr, oldlength uintptr, newlength uintptr, flags int, newaddr uintptr) (xaddr uintptr, err error)
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//sys Madvise(b []byte, advice int) (err error)
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//sys Mprotect(b []byte, prot int) (err error)
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//sys Mlock(b []byte) (err error)
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@ -2136,6 +2122,12 @@ func Munmap(b []byte) (err error) {
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//sys Munlock(b []byte) (err error)
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//sys Munlockall() (err error)
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const (
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mremapFixed = MREMAP_FIXED
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mremapDontunmap = MREMAP_DONTUNMAP
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mremapMaymove = MREMAP_MAYMOVE
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)
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// Vmsplice splices user pages from a slice of Iovecs into a pipe specified by fd,
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// using the specified flags.
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func Vmsplice(fd int, iovs []Iovec, flags int) (int, error) {
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@ -2420,99 +2412,73 @@ func PthreadSigmask(how int, set, oldset *Sigset_t) error {
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return rtSigprocmask(how, set, oldset, _C__NSIG/8)
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}
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/*
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* Unimplemented
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*/
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// AfsSyscall
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// ArchPrctl
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// Brk
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// ClockNanosleep
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// ClockSettime
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// Clone
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// EpollCtlOld
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// EpollPwait
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// EpollWaitOld
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// Execve
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// Fork
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// Futex
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// GetKernelSyms
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// GetMempolicy
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// GetRobustList
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// GetThreadArea
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// Getpmsg
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// IoCancel
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// IoDestroy
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// IoGetevents
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// IoSetup
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// IoSubmit
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// IoprioGet
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// IoprioSet
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// KexecLoad
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// LookupDcookie
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// Mbind
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// MigratePages
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// Mincore
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// ModifyLdt
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// Mount
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// MovePages
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// MqGetsetattr
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// MqNotify
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// MqOpen
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// MqTimedreceive
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// MqTimedsend
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// MqUnlink
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// Mremap
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// Msgctl
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// Msgget
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// Msgrcv
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// Msgsnd
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// Nfsservctl
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// Personality
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// Pselect6
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// Ptrace
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// Putpmsg
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// Quotactl
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// Readahead
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// Readv
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// RemapFilePages
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// RestartSyscall
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// RtSigaction
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// RtSigpending
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// RtSigqueueinfo
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// RtSigreturn
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// RtSigsuspend
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// RtSigtimedwait
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// SchedGetPriorityMax
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// SchedGetPriorityMin
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// SchedGetparam
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// SchedGetscheduler
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// SchedRrGetInterval
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// SchedSetparam
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// SchedYield
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// Security
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// Semctl
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// Semget
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// Semop
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// Semtimedop
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// SetMempolicy
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// SetRobustList
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// SetThreadArea
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// SetTidAddress
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// Sigaltstack
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// Swapoff
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// Swapon
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// Sysfs
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// TimerCreate
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// TimerDelete
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// TimerGetoverrun
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// TimerGettime
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// TimerSettime
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// Tkill (obsolete)
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// Tuxcall
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// Umount2
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// Uselib
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// Utimensat
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// Vfork
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// Vhangup
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// Vserver
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// _Sysctl
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//sysnb getresuid(ruid *_C_int, euid *_C_int, suid *_C_int)
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//sysnb getresgid(rgid *_C_int, egid *_C_int, sgid *_C_int)
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func Getresuid() (ruid, euid, suid int) {
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var r, e, s _C_int
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getresuid(&r, &e, &s)
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return int(r), int(e), int(s)
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}
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func Getresgid() (rgid, egid, sgid int) {
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var r, e, s _C_int
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getresgid(&r, &e, &s)
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return int(r), int(e), int(s)
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}
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// Pselect is a wrapper around the Linux pselect6 system call.
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// This version does not modify the timeout argument.
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func Pselect(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timespec, sigmask *Sigset_t) (n int, err error) {
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// Per https://man7.org/linux/man-pages/man2/select.2.html#NOTES,
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// The Linux pselect6() system call modifies its timeout argument.
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// [Not modifying the argument] is the behavior required by POSIX.1-2001.
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var mutableTimeout *Timespec
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if timeout != nil {
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mutableTimeout = new(Timespec)
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*mutableTimeout = *timeout
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}
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// The final argument of the pselect6() system call is not a
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// sigset_t * pointer, but is instead a structure
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var kernelMask *sigset_argpack
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if sigmask != nil {
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wordBits := 32 << (^uintptr(0) >> 63) // see math.intSize
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// A sigset stores one bit per signal,
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// offset by 1 (because signal 0 does not exist).
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// So the number of words needed is ⌈__C_NSIG - 1 / wordBits⌉.
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sigsetWords := (_C__NSIG - 1 + wordBits - 1) / (wordBits)
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sigsetBytes := uintptr(sigsetWords * (wordBits / 8))
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kernelMask = &sigset_argpack{
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ss: sigmask,
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ssLen: sigsetBytes,
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}
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}
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return pselect6(nfd, r, w, e, mutableTimeout, kernelMask)
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}
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//sys schedSetattr(pid int, attr *SchedAttr, flags uint) (err error)
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//sys schedGetattr(pid int, attr *SchedAttr, size uint, flags uint) (err error)
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// SchedSetAttr is a wrapper for sched_setattr(2) syscall.
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// https://man7.org/linux/man-pages/man2/sched_setattr.2.html
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func SchedSetAttr(pid int, attr *SchedAttr, flags uint) error {
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if attr == nil {
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return EINVAL
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}
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attr.Size = SizeofSchedAttr
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return schedSetattr(pid, attr, flags)
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}
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// SchedGetAttr is a wrapper for sched_getattr(2) syscall.
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// https://man7.org/linux/man-pages/man2/sched_getattr.2.html
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func SchedGetAttr(pid int, flags uint) (*SchedAttr, error) {
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attr := &SchedAttr{}
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if err := schedGetattr(pid, attr, SizeofSchedAttr, flags); err != nil {
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return nil, err
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}
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return attr, nil
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}
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