Name
SPVM::Sys::Select - Select System Call
Description
The Sys::Select class has methods to call the select system call.
Usage
use Sys::Select;Details
In Windows, FD_SETSIZE is set to 1024.
Class Methods
FD_ZERO
static method FD_ZERO : void ($set : Sys::Select::Fd_set);
Calls the FD_ZERO function.
Exceptions:
$set must be defined. Otherwise an exception is thrown.
FD_SET
static method FD_SET : void ($fd : int, $set : Sys::Select::Fd_set);
Calls the FD_SET function.
Exceptions:
$fd must be greater than or equal to 0. Otherwise an exception is thrown.
$fd must be less than FD_SETSIZE. Otherwise an exception is thrown.
$set must be defined. Otherwise an exception is thrown.
FD_CLR
static method FD_CLR : void ($fd : int, $set : Sys::Select::Fd_set);
Calls the FD_CLR function.
Exceptions:
$fd must be greater than or equal to 0. Otherwise an exception is thrown.
$fd must be less than FD_SETSIZE. Otherwise an exception is thrown.
$set must be defined. Otherwise an exception is thrown.
FD_ISSET
static method FD_ISSET : int ($fd : int, $set : Sys::Select::Fd_set);
Calls the FD_ISSET function and returns its return value.
Exceptions:
$fd must be greater than or equal to 0. Otherwise an exception is thrown.
$fd must be less than FD_SETSIZE. Otherwise an exception is thrown.
$set must be defined. Otherwise an exception is thrown.
select
static method select : int ($nfds : int, $readfds : Sys::Select::Fd_set, $writefds : Sys::Select::Fd_set, $exceptfds : Sys::Select::Fd_set, $timeout : Sys::Time::Timeval);
Calls the select function and returns its return value.
Exceptions:
$fd must be greater than or equal to 0. Otherwise an exception is thrown.
$fd must be less than FD_SETSIZE. Otherwise an exception is thrown.
If the select function failed, an exception is thrown with eval_error_id set to the basic type ID of the Error::System class.
Copyright & License
Copyright (c) 2023 Yuki Kimoto
MIT License