diff --git a/unix/syscall_linux.go b/unix/syscall_linux.go index 96ff70dc..466b2576 100644 --- a/unix/syscall_linux.go +++ b/unix/syscall_linux.go @@ -57,6 +57,15 @@ 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. +// 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))) +} + // 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 {