diff options
Diffstat (limited to 'pod')
| -rw-r--r-- | pod/perlfunc.pod | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/pod/perlfunc.pod b/pod/perlfunc.pod index 663c15358f..5ad9106d4d 100644 --- a/pod/perlfunc.pod +++ b/pod/perlfunc.pod @@ -7538,7 +7538,10 @@ argument is given. Returns the integer number of seconds actually slept. EXPR should be a positive integer. If called with a negative integer, L<C<sleep>|/sleep EXPR> does not sleep but instead emits a warning, sets -$! (C<errno>), and returns zero. +C<$!> (C<errno>), and returns zero. + +If called with a non-integer, the fractional part is ignored. + C<sleep 0> is permitted, but a function call to the underlying platform implementation still occurs, with any side effects that may have. |