diff options
Diffstat (limited to 'lib/libc/sys/ioctl.2')
| -rw-r--r-- | lib/libc/sys/ioctl.2 | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/lib/libc/sys/ioctl.2 b/lib/libc/sys/ioctl.2 index 9208ed7..3278e49 100644 --- a/lib/libc/sys/ioctl.2 +++ b/lib/libc/sys/ioctl.2 @@ -76,10 +76,10 @@ An .Fa request has encoded in it whether the argument is an .Dq in -parameter +argument or .Dq out -parameter, and the size of the argument +argument, and the size of the argument .Fa argp in bytes. Macros and defines used in specifying an ioctl @@ -97,10 +97,14 @@ system call will fail if: .Bl -tag -width Er .It Bq Er EBADF +The .Fa d +argument is not a valid descriptor. .It Bq Er ENOTTY +The .Fa d +argument is not associated with a character special device. .It Bq Er ENOTTY @@ -109,12 +113,16 @@ of object that the descriptor .Fa d references. .It Bq Er EINVAL +The .Fa request or .Fa argp +argument is not valid. .It Bq Er EFAULT +The .Fa argp +argument points outside the process's allocated address space. .El .Sh SEE ALSO |
