diff options
Diffstat (limited to 'lib/libc/sys/select.2')
| -rw-r--r-- | lib/libc/sys/select.2 | 15 |
1 files changed, 4 insertions, 11 deletions
diff --git a/lib/libc/sys/select.2 b/lib/libc/sys/select.2 index 193c903..d90d521 100644 --- a/lib/libc/sys/select.2 +++ b/lib/libc/sys/select.2 @@ -108,23 +108,18 @@ to the maximum number of descriptors supported by the system. .Pp If .Fa timeout -is not a -.Dv NULL -pointer, it specifies the maximum interval to wait for the +is not a null pointer, it specifies the maximum interval to wait for the selection to complete. System activity can lengthen the interval by an indeterminate amount. .Pp If .Fa timeout -is a -.Dv NULL -pointer, the select blocks indefinitely. +is a null pointer, the select blocks indefinitely. .Pp To effect a poll, the .Fa timeout -argument should not be -.Dv NULL , +argument should not be a null pointer, but it should point to a zero-valued timeval structure. .Pp Any of @@ -132,9 +127,7 @@ Any of .Fa writefds , and .Fa exceptfds -may be given as -.Dv NULL -pointers if no descriptors are of interest. +may be given as null pointers if no descriptors are of interest. .Sh RETURN VALUES The .Fn select |
