Select loop abstraction

Files
file	select.h
	libmnl integration

Data Structures
struct	osmo_fd
	Structure representing a file dsecriptor. More...
struct	osmo_signalfd

Macros
#define	OSMO_FD_READ   0x0001
	Indicate interest in reading from the file descriptor.
#define	OSMO_FD_WRITE   0x0002
	Indicate interest in writing to the file descriptor.
#define	OSMO_FD_EXCEPT   0x0004
	Indicate interest in exceptions from the file descriptor.
#define	OSMO_FD_MASK   0xFFFF
	Used as when_mask in osmo_fd_update_when()
#define	BSC_FD_READ   OSMO_FD_READ
#define	BSC_FD_WRITE   OSMO_FD_WRITE
#define	BSC_FD_EXCEPT   OSMO_FD_EXCEPT

Typedefs
typedef void	osmo_signalfd_cb(struct osmo_signalfd *osfd, const struct signalfd_siginfo *fdsi)

Functions
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)
void	osmo_fd_update_when (struct osmo_fd *ofd, unsigned int when_mask, unsigned int when)
static void	osmo_fd_read_enable (struct osmo_fd *ofd)
static void	osmo_fd_read_disable (struct osmo_fd *ofd)
static void	osmo_fd_write_enable (struct osmo_fd *ofd)
static void	osmo_fd_write_disable (struct osmo_fd *ofd)
bool	osmo_fd_is_registered (struct osmo_fd *fd)
int	osmo_fd_register (struct osmo_fd *fd)
void	osmo_fd_unregister (struct osmo_fd *fd)
void	osmo_fd_close (struct osmo_fd *fd)
int	osmo_select_main (int polling)
int	osmo_select_main_ctx (int polling)
void	osmo_select_init (void)
struct osmo_fd *	osmo_fd_get_by_fd (int fd)
int	osmo_fd_fill_fds (void *readset, void *writeset, void *exceptset)
int	osmo_fd_disp_fds (void *readset, void *writeset, void *exceptset)
int	osmo_timerfd_disable (struct osmo_fd *ofd)
int	osmo_timerfd_schedule (struct osmo_fd *ofd, const struct timespec *first, const struct timespec *interval)
int	osmo_timerfd_setup (struct osmo_fd *ofd, int(*cb)(struct osmo_fd *, unsigned int), void *data)
struct osmo_signalfd *	osmo_signalfd_setup (void *ctx, sigset_t set, osmo_signalfd_cb *cb, void *data)
void	osmo_select_shutdown_request (void)
int	osmo_select_shutdown_requested (void)
bool	osmo_select_shutdown_done (void)

Detailed Description

Macro Definition Documentation

BSC_FD_EXCEPT

#define BSC_FD_EXCEPT   OSMO_FD_EXCEPT

BSC_FD_READ

#define BSC_FD_READ   OSMO_FD_READ

BSC_FD_WRITE

#define BSC_FD_WRITE   OSMO_FD_WRITE

OSMO_FD_EXCEPT

#define OSMO_FD_EXCEPT   0x0004

Indicate interest in exceptions from the file descriptor.

OSMO_FD_MASK

#define OSMO_FD_MASK   0xFFFF

Used as when_mask in osmo_fd_update_when()

OSMO_FD_READ

#define OSMO_FD_READ   0x0001

Indicate interest in reading from the file descriptor.

OSMO_FD_WRITE

#define OSMO_FD_WRITE   0x0002

Indicate interest in writing to the file descriptor.

Typedef Documentation

osmo_signalfd_cb

typedef void osmo_signalfd_cb(struct osmo_signalfd *osfd, const struct signalfd_siginfo *fdsi)

Function Documentation

osmo_fd_close()

void osmo_fd_close

(

struct osmo_fd *

fd

)

Referenced by iofd_poll_close().

osmo_fd_disp_fds()

int osmo_fd_disp_fds	(	void *	readset,
		void *	writeset,
		void *	exceptset
	)

osmo_fd_fill_fds()

int osmo_fd_fill_fds	(	void *	readset,
		void *	writeset,
		void *	exceptset
	)

osmo_fd_get_by_fd()

struct osmo_fd * osmo_fd_get_by_fd

(

int

fd

)

osmo_fd_is_registered()

bool osmo_fd_is_registered

(

struct osmo_fd *

fd

)

Referenced by rate_ctr_init().

osmo_fd_read_disable()

static void osmo_fd_read_disable ( struct osmo_fd *  ofd )

inlinestatic

References OSMO_FD_READ, and osmo_fd_update_when().

Referenced by iofd_poll_read_disable().

osmo_fd_read_enable()

static void osmo_fd_read_enable ( struct osmo_fd *  ofd )

inlinestatic

References OSMO_FD_MASK, OSMO_FD_READ, and osmo_fd_update_when().

Referenced by iofd_poll_read_enable().

osmo_fd_register()

int osmo_fd_register

(

struct osmo_fd *

fd

)

Referenced by iofd_poll_register(), log_target_create_file(), log_target_file_reopen(), log_target_file_switch_to_wqueue(), osmo_mnl_init(), and osmo_tundev_open().

osmo_fd_setup()

void osmo_fd_setup	(	struct osmo_fd *	ofd,
		int	fd,
		unsigned int	when,
		int(*)(struct osmo_fd *fd, unsigned int what)	cb,
		void *	data,
		unsigned int	priv_nr
	)

Referenced by iofd_poll_register(), osmo_mnl_init(), and osmo_tundev_alloc().

osmo_fd_unregister()

void osmo_fd_unregister

(

struct osmo_fd *

fd

)

Referenced by iofd_poll_unregister(), log_target_destroy(), log_target_file_reopen(), log_target_file_switch_to_stream(), osmo_mnl_destroy(), and osmo_tundev_close().

osmo_fd_update_when()

void osmo_fd_update_when	(	struct osmo_fd *	ofd,
		unsigned int	when_mask,
		unsigned int	when
	)

Referenced by osmo_fd_read_disable(), osmo_fd_read_enable(), osmo_fd_write_disable(), and osmo_fd_write_enable().

osmo_fd_write_disable()

static void osmo_fd_write_disable ( struct osmo_fd *  ofd )

inlinestatic

References osmo_fd_update_when(), and OSMO_FD_WRITE.

Referenced by iofd_poll_write_disable().

osmo_fd_write_enable()

static void osmo_fd_write_enable ( struct osmo_fd *  ofd )

inlinestatic

References OSMO_FD_MASK, osmo_fd_update_when(), and OSMO_FD_WRITE.

Referenced by iofd_poll_notify_connected(), iofd_poll_register(), and iofd_poll_write_enable().

osmo_select_init()

void osmo_select_init

(

void

)

osmo_select_main()

int osmo_select_main

(

int

polling

)

osmo_select_main_ctx()

int osmo_select_main_ctx

(

int

polling

)

osmo_select_shutdown_done()

bool osmo_select_shutdown_done

(

void

)

osmo_select_shutdown_request()

void osmo_select_shutdown_request

(

void

)

osmo_select_shutdown_requested()

int osmo_select_shutdown_requested

(

void

)

osmo_signalfd_setup()

struct osmo_signalfd * osmo_signalfd_setup	(	void *	ctx,
		sigset_t	set,
		osmo_signalfd_cb *	cb,
		void *	data
	)

osmo_timerfd_disable()

int osmo_timerfd_disable

(

struct osmo_fd *

ofd

)

Referenced by start_timer().

osmo_timerfd_schedule()

int osmo_timerfd_schedule	(	struct osmo_fd *	ofd,
		const struct timespec *	first,
		const struct timespec *	interval
	)

Referenced by rate_ctr_init(), and start_timer().

osmo_timerfd_setup()

int osmo_timerfd_setup	(	struct osmo_fd *	ofd,
		int(*)(struct osmo_fd *, unsigned int)	cb,
		void *	data
	)

Referenced by rate_ctr_init(), and start_timer().