GDBserver: /tmp/gdb-8.1/gdb/gdbserver/event-loop.c File Reference

GDBserver

gdbserver

#include "server.h"
#include "queue.h"
#include <sys/types.h>
#include "gdb_sys_time.h"
#include <unistd.h>

Go to the source code of this file.

Classes
struct	gdb_event

struct	file_handler

struct	callback_event

Macros
#define	GDB_READABLE (1<<1)

#define	GDB_WRITABLE (1<<2)

#define	GDB_EXCEPTION (1<<3)

Typedefs
typedef struct gdb_event	gdb_event

typedef int()	event_handler_func(gdb_fildes_t)

typedef struct gdb_event *	gdb_event_p

typedef struct file_handler	file_handler

Functions
	DECLARE_QUEUE_P (gdb_event_p)

static	QUEUE (gdb_event_p)

static void	gdb_event_xfree (struct gdb_event *event)

void	initialize_event_loop (void)

static int	process_event (void)

int	append_callback_event (callback_handler_func *proc, gdb_client_data data)

void	delete_callback_event (int id)

static int	process_callback (void)

static void	create_file_handler (gdb_fildes_t fd, int mask, handler_func *proc, gdb_client_data client_data)

void	add_file_handler (gdb_fildes_t fd, handler_func *proc, gdb_client_data client_data)

void	delete_file_handler (gdb_fildes_t fd)

static int	handle_file_event (gdb_fildes_t event_file_desc)

static gdb_event *	create_file_event (gdb_fildes_t fd)

static int	wait_for_event (void)

void	start_event_loop (void)

Variables
	gdb_notifier

struct {
struct callback_event * first

struct callback_event * last

int num_callbacks

}	callback_list

Macro Definition Documentation

◆ GDB_EXCEPTION

#define GDB_EXCEPTION (1<<3)

Definition at line 41 of file event-loop.c.

Referenced by add_file_handler(), create_file_handler(), delete_file_handler(), handle_file_event(), and wait_for_event().

◆ GDB_READABLE

#define GDB_READABLE (1<<1)

Definition at line 39 of file event-loop.c.

Referenced by add_file_handler(), create_file_handler(), delete_file_handler(), and wait_for_event().

◆ GDB_WRITABLE

#define GDB_WRITABLE (1<<2)

Definition at line 40 of file event-loop.c.

Referenced by create_file_handler(), delete_file_handler(), and wait_for_event().

Typedef Documentation

◆ event_handler_func

typedef int() event_handler_func(gdb_fildes_t)

Definition at line 35 of file event-loop.c.

◆ file_handler

typedef struct file_handler file_handler

◆ gdb_event

typedef struct gdb_event gdb_event

Definition at line 34 of file event-loop.c.

◆ gdb_event_p

typedef struct gdb_event * gdb_event_p

Function Documentation

◆ add_file_handler()

void add_file_handler	(	gdb_fildes_t	fd,
		handler_func *	proc,
		gdb_client_data	client_data
	)

Definition at line 324 of file event-loop.c.

References create_file_handler(), GDB_EXCEPTION, GDB_READABLE, and callback_event::proc.

Referenced by handle_accept_event(), linux_async(), and remote_open().

◆ append_callback_event()

int append_callback_event	(	callback_handler_func *	proc,
		gdb_client_data	data
	)

Definition at line 198 of file event-loop.c.

References callback_list, callback_event::data, callback_event::id, callback_event::next, callback_event::proc, and XNEW.

Referenced by reschedule().

◆ create_file_event()

static gdb_event* create_file_event ( gdb_fildes_t fd )

static

Definition at line 445 of file event-loop.c.

References gdb_event::fd, handle_file_event(), gdb_event::proc, and XNEW.

Referenced by wait_for_event().

◆ create_file_handler()

static void create_file_handler	(	gdb_fildes_t	fd,
		int	mask,
		handler_func *	proc,
		gdb_client_data	client_data
	)

static

Definition at line 274 of file event-loop.c.

References file_handler::client_data, file_handler::fd, GDB_EXCEPTION, gdb_notifier, GDB_READABLE, GDB_WRITABLE, file_handler::mask, file_handler::next_file, file_handler::proc, callback_event::proc, file_handler::ready_mask, and XNEW.

Referenced by add_file_handler().

◆ DECLARE_QUEUE_P()

DECLARE_QUEUE_P ( gdb_event_p )

◆ delete_callback_event()

void delete_callback_event ( int id )

Definition at line 218 of file event-loop.c.

References callback_list, free(), callback_event::id, and callback_event::next.

Referenced by reset_readchar().

◆ delete_file_handler()

void delete_file_handler ( gdb_fildes_t fd )

Definition at line 334 of file event-loop.c.

References file_handler::fd, free(), GDB_EXCEPTION, gdb_notifier, GDB_READABLE, GDB_WRITABLE, file_handler::mask, and file_handler::next_file.

Referenced by handle_accept_event(), linux_async(), and remote_close().

◆ gdb_event_xfree()

static void gdb_event_xfree ( struct gdb_event * event )

static

Definition at line 152 of file event-loop.c.

References xfree().

Referenced by initialize_event_loop(), and process_event().

◆ handle_file_event()

static int handle_file_event ( gdb_fildes_t event_file_desc )

static

Definition at line 397 of file event-loop.c.

References file_handler::client_data, file_handler::error, file_handler::fd, GDB_EXCEPTION, gdb_notifier, file_handler::mask, file_handler::next_file, pfildes(), file_handler::proc, file_handler::ready_mask, and warning().

Referenced by create_file_event().

◆ initialize_event_loop()

void initialize_event_loop ( void )

Definition at line 158 of file event-loop.c.

References gdb_event_xfree(), and QUEUE_alloc.

Referenced by captured_main().

◆ process_callback()

static int process_callback ( void )

static

Definition at line 243 of file event-loop.c.

References callback_list, callback_event::data, free(), callback_event::next, and callback_event::proc.

Referenced by start_event_loop().

◆ process_event()

static int process_event ( void )

static

Definition at line 169 of file event-loop.c.

References gdb_event::fd, gdb_event_xfree(), gdb_event::proc, callback_event::proc, QUEUE_deque, and QUEUE_is_empty.

Referenced by start_event_loop().

◆ QUEUE()

static QUEUE ( gdb_event_p )

static

Definition at line 93 of file event-loop.c.

◆ start_event_loop()

void start_event_loop ( void )

Definition at line 537 of file event-loop.c.

References process_callback(), process_event(), and wait_for_event().

Referenced by captured_main().

◆ wait_for_event()

static int wait_for_event ( void )

static

Definition at line 463 of file event-loop.c.

References create_file_event(), errno, file_handler::fd, GDB_EXCEPTION, gdb_notifier, GDB_READABLE, GDB_WRITABLE, file_handler::next_file, perror_with_name(), QUEUE_enque, and file_handler::ready_mask.

Referenced by start_event_loop().

Variable Documentation

◆ callback_list

struct { ... } callback_list

Referenced by append_callback_event(), delete_callback_event(), and process_callback().

◆ first

struct callback_event* first

Definition at line 141 of file event-loop.c.

Referenced by prepare_to_access_memory().

◆ gdb_notifier

gdb_notifier

Definition at line 117 of file event-loop.c.

Referenced by create_file_handler(), delete_file_handler(), handle_file_event(), and wait_for_event().

◆ last

struct callback_event* last

Definition at line 142 of file event-loop.c.

Referenced by cmd_qtdpsrc().

◆ num_callbacks

int num_callbacks

Definition at line 145 of file event-loop.c.