libosmocore  0.12.1
Osmocom core library
select.c File Reference

select filedescriptor handling. More...

#include <fcntl.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <stdbool.h>
#include <errno.h>
#include <osmocom/core/select.h>
#include <osmocom/core/linuxlist.h>
#include <osmocom/core/timer.h>
#include "../config.h"
#include <sys/select.h>
#include <sys/timerfd.h>

Functions

static LLIST_HEAD (osmo_fds)
 
void osmo_fd_setup (struct osmo_fd *ofd, int fd, unsigned int when, int(*cb)(struct osmo_fd *fd, unsigned int what), void *data, unsigned int priv_nr)
 Set up an osmo-fd. More...
 
bool osmo_fd_is_registered (struct osmo_fd *fd)
 Check if a file descriptor is already registered. More...
 
int osmo_fd_register (struct osmo_fd *fd)
 Register a new file descriptor with select loop abstraction. More...
 
void osmo_fd_unregister (struct osmo_fd *fd)
 Unregister a file descriptor from select loop abstraction. More...
 
void osmo_fd_close (struct osmo_fd *fd)
 Close a file descriptor, mark it as closed + unregister from select loop abstraction. More...
 
int osmo_fd_fill_fds (void *_rset, void *_wset, void *_eset)
 Populate the fd_sets and return the highest fd number. More...
 
int osmo_fd_disp_fds (void *readset, void *writeset, void *exceptset)
 
int osmo_select_main (int polling)
 select main loop integration More...
 
struct osmo_fdosmo_fd_get_by_fd (int fd)
 find an osmo_fd based on the integer fd More...
 
int osmo_timerfd_disable (struct osmo_fd *ofd)
 disable the osmocom-wrapped timerfd More...
 
int osmo_timerfd_schedule (struct osmo_fd *ofd, const struct timespec *first, const struct timespec *interval)
 schedule the osmcoom-wrapped timerfd to occur first at first, then periodically at interval More...
 
int osmo_timerfd_setup (struct osmo_fd *ofd, int(*cb)(struct osmo_fd *, unsigned int), void *data)
 setup osmocom-wrapped timerfd More...
 

Variables

static int maxfd = 0
 
static int unregistered_count
 

Detailed Description

select filedescriptor handling.

Taken from: userspace logging daemon for the iptables ULOG target of the linux 2.4 netfilter subsystem.