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 | 45 |
1 files changed, 11 insertions, 34 deletions
diff --git a/vendor/golang.org/x/sys/unix/syscall_linux.go b/vendor/golang.org/x/sys/unix/syscall_linux.go index 637b5017b..fe30b9544 100644 --- a/vendor/golang.org/x/sys/unix/syscall_linux.go +++ b/vendor/golang.org/x/sys/unix/syscall_linux.go @@ -71,6 +71,17 @@ func Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) { // ioctl itself should not be exposed directly, but additional get/set // functions for specific types are permissible. +// IoctlRetInt performs an ioctl operation specified by req on a device +// associated with opened file descriptor fd, and returns a non-negative +// integer that is returned by the ioctl syscall. +func IoctlRetInt(fd int, req uint) (int, error) { + ret, _, err := Syscall(SYS_IOCTL, uintptr(fd), uintptr(req), 0) + if err != 0 { + return 0, err + } + return int(ret), nil +} + // 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 @@ -80,52 +91,18 @@ func IoctlSetPointerInt(fd int, req uint, value int) error { return ioctl(fd, req, uintptr(unsafe.Pointer(&v))) } -// 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)) -} - -func ioctlSetWinsize(fd int, req uint, value *Winsize) error { - return ioctl(fd, req, uintptr(unsafe.Pointer(value))) -} - -func ioctlSetTermios(fd int, req uint, value *Termios) error { - return ioctl(fd, req, uintptr(unsafe.Pointer(value))) -} - func IoctlSetRTCTime(fd int, value *RTCTime) error { err := ioctl(fd, RTC_SET_TIME, 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. -func IoctlGetInt(fd int, req uint) (int, error) { - var value int - err := ioctl(fd, req, uintptr(unsafe.Pointer(&value))) - return value, err -} - func IoctlGetUint32(fd int, req uint) (uint32, error) { var value uint32 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 -} - func IoctlGetRTCTime(fd int) (*RTCTime, error) { var value RTCTime err := ioctl(fd, RTC_RD_TIME, uintptr(unsafe.Pointer(&value))) |