blob: b6b9e8215d9c4e78a471ffd2a150ee5757226f60 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
#pragma once
#include <osmocom/core/linuxlist.h>
/*! \defgroup select Select loop abstraction
* @{
*/
/*! \file select.h
* \brief select loop abstraction
*/
/*! \brief Indicate interest in reading from the file descriptor */
#define BSC_FD_READ 0x0001
/*! \brief Indicate interest in writing to the file descriptor */
#define BSC_FD_WRITE 0x0002
/*! \brief Indicate interest in exceptions from the file descriptor */
#define BSC_FD_EXCEPT 0x0004
/*! \brief Structure representing a file dsecriptor */
struct osmo_fd {
/*! linked list for internal management */
struct llist_head list;
/*! actual operating-system level file decriptor */
int fd;
/*! bit-mask or of \ref BSC_FD_READ, \ref BSC_FD_WRITE and/or
* \ref BSC_FD_EXCEPT */
unsigned int when;
/*! call-back function to be called once file descriptor becomes
* available */
int (*cb)(struct osmo_fd *fd, unsigned int what);
/*! data pointer passed through to call-back function */
void *data;
/*! private number, extending \a data */
unsigned int priv_nr;
};
int osmo_fd_register(struct osmo_fd *fd);
void osmo_fd_unregister(struct osmo_fd *fd);
int osmo_select_main(int polling);
/*! @} */
|
