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| author | Sandro Jäckel <sandro.jaeckel@sap.com> | 2022-04-01 14:08:42 +0200 |
|---|---|---|
| committer | Sandro Jäckel <sandro.jaeckel@sap.com> | 2022-04-01 14:09:09 +0200 |
| commit | d35e5fb09bfac1fa381e4ed004ea24a6025e36f4 (patch) | |
| tree | e47874ed2c6830abf4c84e9068bc187fb041b6b4 /vendor/golang.org/x/sys/unix/ioctl.go | |
| parent | cb398f58a5cb4f3e858fe60e84debde6ab58f7c8 (diff) | |
| download | gofu-d35e5fb09bfac1fa381e4ed004ea24a6025e36f4.tar.gz | |
Bump to go 1.17 and update all dependencies
Diffstat (limited to 'vendor/golang.org/x/sys/unix/ioctl.go')
| -rw-r--r-- | vendor/golang.org/x/sys/unix/ioctl.go | 51 |
1 files changed, 48 insertions, 3 deletions
diff --git a/vendor/golang.org/x/sys/unix/ioctl.go b/vendor/golang.org/x/sys/unix/ioctl.go index f121a8d..6c7ad05 100644 --- a/vendor/golang.org/x/sys/unix/ioctl.go +++ b/vendor/golang.org/x/sys/unix/ioctl.go @@ -2,11 +2,33 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. +//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris // +build aix darwin dragonfly freebsd linux netbsd openbsd solaris package unix -import "runtime" +import ( + "runtime" + "unsafe" +) + +// ioctl itself should not be exposed directly, but additional get/set +// functions for specific types are permissible. + +// IoctlSetInt performs an ioctl operation which sets an integer value +// on fd, using the specified request number. +func IoctlSetInt(fd int, req uint, value int) error { + return ioctl(fd, req, uintptr(value)) +} + +// IoctlSetPointerInt performs an ioctl operation which sets an +// integer value on fd, using the specified request number. The ioctl +// argument is called with a pointer to the integer value, rather than +// passing the integer value directly. +func IoctlSetPointerInt(fd int, req uint, value int) error { + v := int32(value) + return ioctl(fd, req, uintptr(unsafe.Pointer(&v))) +} // IoctlSetWinsize performs an ioctl on fd with a *Winsize argument. // @@ -14,7 +36,7 @@ import "runtime" func IoctlSetWinsize(fd int, req uint, value *Winsize) error { // TODO: if we get the chance, remove the req parameter and // hardcode TIOCSWINSZ. - err := ioctlSetWinsize(fd, req, value) + err := ioctl(fd, req, uintptr(unsafe.Pointer(value))) runtime.KeepAlive(value) return err } @@ -24,7 +46,30 @@ func IoctlSetWinsize(fd int, req uint, value *Winsize) error { // The req value will usually be TCSETA or TIOCSETA. func IoctlSetTermios(fd int, req uint, value *Termios) error { // TODO: if we get the chance, remove the req parameter. - err := ioctlSetTermios(fd, req, value) + err := ioctl(fd, req, uintptr(unsafe.Pointer(value))) runtime.KeepAlive(value) return err } + +// IoctlGetInt performs an ioctl operation which gets an integer value +// from fd, using the specified request number. +// +// A few ioctl requests use the return value as an output parameter; +// for those, IoctlRetInt should be used instead of this function. +func IoctlGetInt(fd int, req uint) (int, error) { + var value int + err := ioctl(fd, req, uintptr(unsafe.Pointer(&value))) + return value, err +} + +func IoctlGetWinsize(fd int, req uint) (*Winsize, error) { + var value Winsize + err := ioctl(fd, req, uintptr(unsafe.Pointer(&value))) + return &value, err +} + +func IoctlGetTermios(fd int, req uint) (*Termios, error) { + var value Termios + err := ioctl(fd, req, uintptr(unsafe.Pointer(&value))) + return &value, err +} |
