diff options
Diffstat (limited to 'vendor/golang.org/x/sys/unix/syscall_linux.go')
| -rw-r--r-- | vendor/golang.org/x/sys/unix/syscall_linux.go | 97 |
1 files changed, 61 insertions, 36 deletions
diff --git a/vendor/golang.org/x/sys/unix/syscall_linux.go b/vendor/golang.org/x/sys/unix/syscall_linux.go index 41b91fdfb..e253a912a 100644 --- a/vendor/golang.org/x/sys/unix/syscall_linux.go +++ b/vendor/golang.org/x/sys/unix/syscall_linux.go @@ -13,7 +13,6 @@ package unix import ( "encoding/binary" - "runtime" "syscall" "unsafe" ) @@ -38,6 +37,13 @@ func Creat(path string, mode uint32) (fd int, err error) { return Open(path, O_CREAT|O_WRONLY|O_TRUNC, mode) } +func EpollCreate(size int) (fd int, err error) { + if size <= 0 { + return -1, EINVAL + } + return EpollCreate1(0) +} + //sys FanotifyInit(flags uint, event_f_flags uint) (fd int, err error) //sys fanotifyMark(fd int, flags uint, mask uint64, dirFd int, pathname *byte) (err error) @@ -66,11 +72,22 @@ func Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) { return fchmodat(dirfd, path, mode) } -//sys ioctl(fd int, req uint, arg uintptr) (err error) +func InotifyInit() (fd int, err error) { + return InotifyInit1(0) +} -// ioctl itself should not be exposed directly, but additional get/set -// functions for specific types are permissible. -// These are defined in ioctl.go and ioctl_linux.go. +//sys ioctl(fd int, req uint, arg uintptr) (err error) = SYS_IOCTL +//sys ioctlPtr(fd int, req uint, arg unsafe.Pointer) (err error) = SYS_IOCTL + +// ioctl itself should not be exposed directly, but additional get/set functions +// for specific types are permissible. These are defined in ioctl.go and +// ioctl_linux.go. +// +// The third argument to ioctl is often a pointer but sometimes an integer. +// Callers should use ioctlPtr when the third argument is a pointer and ioctl +// when the third argument is an integer. +// +// TODO: some existing code incorrectly uses ioctl when it should use ioctlPtr. //sys Linkat(olddirfd int, oldpath string, newdirfd int, newpath string, flags int) (err error) @@ -102,6 +119,23 @@ func Openat2(dirfd int, path string, how *OpenHow) (fd int, err error) { return openat2(dirfd, path, how, SizeofOpenHow) } +func Pipe(p []int) error { + return Pipe2(p, 0) +} + +//sysnb pipe2(p *[2]_C_int, flags int) (err error) + +func Pipe2(p []int, flags int) error { + if len(p) != 2 { + return EINVAL + } + var pp [2]_C_int + err := pipe2(&pp, flags) + p[0] = int(pp[0]) + p[1] = int(pp[1]) + return err +} + //sys ppoll(fds *PollFd, nfds int, timeout *Timespec, sigmask *Sigset_t) (n int, err error) func Ppoll(fds []PollFd, timeout *Timespec, sigmask *Sigset_t) (n int, err error) { @@ -111,6 +145,15 @@ func Ppoll(fds []PollFd, timeout *Timespec, sigmask *Sigset_t) (n int, err error return ppoll(&fds[0], len(fds), timeout, sigmask) } +func Poll(fds []PollFd, timeout int) (n int, err error) { + var ts *Timespec + if timeout >= 0 { + ts = new(Timespec) + *ts = NsecToTimespec(int64(timeout) * 1e6) + } + return Ppoll(fds, ts, nil) +} + //sys Readlinkat(dirfd int, path string, buf []byte) (n int, err error) func Readlink(path string, buf []byte) (n int, err error) { @@ -161,27 +204,7 @@ func Utimes(path string, tv []Timeval) error { //sys utimensat(dirfd int, path string, times *[2]Timespec, flags int) (err error) func UtimesNano(path string, ts []Timespec) error { - if ts == nil { - err := utimensat(AT_FDCWD, path, nil, 0) - if err != ENOSYS { - return err - } - return utimes(path, nil) - } - if len(ts) != 2 { - return EINVAL - } - err := utimensat(AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0) - if err != ENOSYS { - return err - } - // If the utimensat syscall isn't available (utimensat was added to Linux - // in 2.6.22, Released, 8 July 2007) then fall back to utimes - var tv [2]Timeval - for i := 0; i < 2; i++ { - tv[i] = NsecToTimeval(TimespecToNsec(ts[i])) - } - return utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0]))) + return UtimesNanoAt(AT_FDCWD, path, ts, 0) } func UtimesNanoAt(dirfd int, path string, ts []Timespec, flags int) error { @@ -1222,11 +1245,7 @@ func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) { func Accept(fd int) (nfd int, sa Sockaddr, err error) { var rsa RawSockaddrAny var len _Socklen = SizeofSockaddrAny - // Try accept4 first for Android, then try accept for kernel older than 2.6.28 nfd, err = accept4(fd, &rsa, &len, 0) - if err == ENOSYS { - nfd, err = accept(fd, &rsa, &len) - } if err != nil { return } @@ -1348,6 +1367,13 @@ func SetsockoptTpacketReq3(fd, level, opt int, tp *TpacketReq3) error { return setsockopt(fd, level, opt, unsafe.Pointer(tp), unsafe.Sizeof(*tp)) } +func SetsockoptTCPRepairOpt(fd, level, opt int, o []TCPRepairOpt) (err error) { + if len(o) == 0 { + return EINVAL + } + return setsockopt(fd, level, opt, unsafe.Pointer(&o[0]), uintptr(SizeofTCPRepairOpt*len(o))) +} + // Keyctl Commands (http://man7.org/linux/man-pages/man2/keyctl.2.html) // KeyctlInt calls keyctl commands in which each argument is an int. @@ -1802,11 +1828,7 @@ func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err e //sys Dup(oldfd int) (fd int, err error) func Dup2(oldfd, newfd int) error { - // Android O and newer blocks dup2; riscv and arm64 don't implement dup2. - if runtime.GOOS == "android" || runtime.GOARCH == "riscv64" || runtime.GOARCH == "arm64" { - return Dup3(oldfd, newfd, 0) - } - return dup2(oldfd, newfd) + return Dup3(oldfd, newfd, 0) } //sys Dup3(oldfd int, newfd int, flags int) (err error) @@ -1859,7 +1881,7 @@ func Getpgrp() (pid int) { //sys Nanosleep(time *Timespec, leftover *Timespec) (err error) //sys PerfEventOpen(attr *PerfEventAttr, pid int, cpu int, groupFd int, flags int) (fd int, err error) //sys PivotRoot(newroot string, putold string) (err error) = SYS_PIVOT_ROOT -//sysnb prlimit(pid int, resource int, newlimit *Rlimit, old *Rlimit) (err error) = SYS_PRLIMIT64 +//sysnb Prlimit(pid int, resource int, newlimit *Rlimit, old *Rlimit) (err error) = SYS_PRLIMIT64 //sys Prctl(option int, arg2 uintptr, arg3 uintptr, arg4 uintptr, arg5 uintptr) (err error) //sys Pselect(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timespec, sigmask *Sigset_t) (n int, err error) = SYS_PSELECT6 //sys read(fd int, p []byte) (n int, err error) @@ -2294,6 +2316,9 @@ type RemoteIovec struct { //sys ProcessVMReadv(pid int, localIov []Iovec, remoteIov []RemoteIovec, flags uint) (n int, err error) = SYS_PROCESS_VM_READV //sys ProcessVMWritev(pid int, localIov []Iovec, remoteIov []RemoteIovec, flags uint) (n int, err error) = SYS_PROCESS_VM_WRITEV +//sys PidfdOpen(pid int, flags int) (fd int, err error) = SYS_PIDFD_OPEN +//sys PidfdGetfd(pidfd int, targetfd int, flags int) (fd int, err error) = SYS_PIDFD_GETFD + /* * Unimplemented */ |