diff options
Diffstat (limited to 'lib/libc/sys/dup.2')
| -rw-r--r-- | lib/libc/sys/dup.2 | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/lib/libc/sys/dup.2 b/lib/libc/sys/dup.2 index f6f6f46..d2a4b7e 100644 --- a/lib/libc/sys/dup.2 +++ b/lib/libc/sys/dup.2 @@ -128,20 +128,27 @@ indicates the cause of the error. .Sh ERRORS The .Fn dup -and -.Fn dup2 -system calls fail if: +system call fails if: .Bl -tag -width Er .It Bq Er EBADF The .Fa oldd -or -.Fa newd argument is not a valid active descriptor .It Bq Er EMFILE Too many descriptors are active. .El +The +.Fn dup2 +system call fails if: +.Bl -tag -width Er +.It Bq Er EBADF +The +.Fa oldd +argument is not a valid active descriptor or the +.Fa newd +argument is negative or exceeds the maximum allowable descriptor number +.El .Sh SEE ALSO .Xr accept 2 , .Xr cap_new 2 , |
