Lely core libraries 2.3.4
timer.c File Reference

This file is part of the I/O library; it contains the I/O system timer implementation for Linux. More...

#include "io.h"
#include "../timer.h"
#include <lely/io2/ctx.h>
#include <lely/io2/posix/poll.h>
#include <lely/io2/sys/clock.h>
#include <lely/io2/sys/timer.h>
#include <lely/util/util.h>
#include <assert.h>
#include <errno.h>
#include <limits.h>
#include <stdlib.h>
#include <pthread.h>
#include <sched.h>
#include <unistd.h>
#include <sys/timerfd.h>
Include dependency graph for timer.c:

Go to the source code of this file.

Data Structures

struct  io_timer_impl
 

Functions

io_timer_tio_timer_create (io_poll_t *poll, ev_exec_t *exec, clockid_t clockid)
 Creates a new I/O system timer. More...
 
void io_timer_destroy (io_timer_t *timer)
 Destroys an I/O system timer. More...
 

Detailed Description

This file is part of the I/O library; it contains the I/O system timer implementation for Linux.

See also
lely/io2/sys/timer.h
Author
J. S. Seldenthuis jseld.nosp@m.enth.nosp@m.uis@l.nosp@m.ely..nosp@m.com

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Definition in file timer.c.

Function Documentation

◆ io_timer_create()

io_timer_t * io_timer_create ( io_poll_t poll,
ev_exec_t exec,
clockid_t  clockid 
)

Creates a new I/O system timer.

Parameters
polla pointer to the I/O polling instance used to monitor timer events.
execa pointer to the executor used to execute asynchronous tasks.
clockidthe POSIX identifier of the clock to use (CLOCK_REALTIME or CLOCK_MONOTONIC).
Returns
a pointer to a new timer, or NULL on error. In the latter case, the error number can be obtained with get_errc().

Definition at line 243 of file timer.c.

◆ io_timer_destroy()

void io_timer_destroy ( io_timer_t timer)

Destroys an I/O system timer.

See also
io_timer_create()

Definition at line 270 of file timer.c.