/tmp/gdb-8.1/gdb/inflow.c File Reference

#include "defs.h"
#include "frame.h"
#include "inferior.h"
#include "command.h"
#include "serial.h"
#include "terminal.h"
#include "target.h"
#include "gdbthread.h"
#include "observer.h"
#include <signal.h>
#include <fcntl.h>
#include "gdb_select.h"
#include "inflow.h"
#include "gdbcmd.h"
#include <termios.h>
#include "job-control.h"
#include <sys/ioctl.h>

Go to the source code of this file.

Classes
struct	terminal_info
class	scoped_ignore_sigttou

Macros
#define	O_NOCTTY   0
#define	OOPSY(what)
#define	O_ACCMODE   (O_RDONLY | O_WRONLY | O_RDWR)

Functions
static void	pass_signal (int)
static void	child_terminal_ours_1 (int)
static struct terminal_info *	get_inflow_inferior_data (struct inferior *)
pid_t	inferior_process_group (void)
void	set_initial_gdb_ttystate (void)
static int	gdb_has_a_terminal (void)
void	child_terminal_init (struct target_ops *self)
void	gdb_save_tty_state (void)
void	child_terminal_inferior (struct target_ops *self)
void	child_terminal_ours_for_output (struct target_ops *self)
void	child_terminal_ours (struct target_ops *self)
static void	inflow_inferior_data_cleanup (struct inferior *inf, void *arg)
static void	inflow_inferior_exit (struct inferior *inf)
void	copy_terminal_info (struct inferior *to, struct inferior *from)
void	info_terminal_command (const char *arg, int from_tty)
void	child_terminal_info (struct target_ops *self, const char *args, int from_tty)
void	new_tty_prefork (const char *ttyname)
static void	check_syscall (const char *msg, int result)
void	new_tty (void)
void	new_tty_postfork (void)
void	set_sigint_trap (void)
void	clear_sigint_trap (void)
pid_t	create_tty_session (void)
void	initialize_stdin_serial (void)
void	_initialize_inflow (void)

Variables
static struct serial *	stdin_serial
static struct terminal_info	our_terminal_info
static serial_ttystate	initial_gdb_ttystate
static sighandler_t	sigint_ours
static sighandler_t	sigquit_ours
static const char *	inferior_thisrun_terminal
int	terminal_is_ours
static const struct inferior_data *	inflow_inferior_data
static sighandler_t	osig
static int	osig_set

Macro Definition Documentation

O_ACCMODE

#define O_ACCMODE   (O_RDONLY | O_WRONLY | O_RDWR)

Referenced by child_terminal_info().

O_NOCTTY

#define O_NOCTTY   0

Definition at line 44 of file inflow.c.

Referenced by new_tty(), and windows_create_inferior().

OOPSY

#define OOPSY

(

what

)

Value:

if (result == -1)   \
    fprintf_unfiltered(gdb_stderr, "[%s failed in terminal_inferior: %s]\n", \
        what, safe_strerror (errno))

Definition at line 188 of file inflow.c.

Referenced by child_terminal_inferior().

Function Documentation

_initialize_inflow()

void _initialize_inflow

(

void

)

Definition at line 768 of file inflow.c.

References _, add_info(), have_job_control(), inflow_inferior_data, inflow_inferior_data_cleanup(), inflow_inferior_exit(), info_terminal_command(), observer_attach_inferior_exit(), and terminal_is_ours.

check_syscall()

static void check_syscall ( const char *  msg, int  result  )

static

Definition at line 599 of file inflow.c.

References print_sys_errmsg().

Referenced by new_tty().

child_terminal_inferior()

void child_terminal_inferior

(

struct target_ops *

self

)

Definition at line 246 of file inflow.c.

References current_inferior(), gdb_has_a_terminal(), get_inflow_inferior_data(), arm-linux::inf, job_control, OOPSY, terminal_info::process_group, terminal_info::run_terminal, serial_set_tty_state(), sigint_ours, sigquit_ours, stdin_serial, tcsetpgrp(), terminal_is_ours, terminal_info::tflags, and terminal_info::ttystate.

Referenced by inf_child_target(), and linux_nat_terminal_inferior().

child_terminal_info()

void child_terminal_info	(	struct target_ops *	self,
		const char *	args,
		int	from_tty
	)

Definition at line 494 of file inflow.c.

References _, current_inferior(), flags, gdb_has_a_terminal(), gdb_stdout, get_inflow_inferior_data(), arm-linux::inf, inferior_ptid, null_ptid, O_ACCMODE, O_BINARY, printf_filtered(), terminal_info::process_group, ptid_equal(), serial_print_tty_state(), stdin_serial, terminal_info::tflags, and terminal_info::ttystate.

Referenced by inf_child_target().

child_terminal_init()

void child_terminal_init

(

struct target_ops *

self

)

Definition at line 197 of file inflow.c.

References current_inferior(), gdb_has_a_terminal(), get_inflow_inferior_data(), initial_gdb_ttystate, inf::pid, terminal_info::process_group, serial_copy_tty_state(), stdin_serial, terminal_is_ours, terminal_info::ttystate, and xfree().

Referenced by inf_child_target().

child_terminal_ours()

void child_terminal_ours

(

struct target_ops *

self

)

Definition at line 329 of file inflow.c.

References child_terminal_ours_1().

Referenced by inf_child_target(), and linux_nat_terminal_ours().

child_terminal_ours_1()

static void child_terminal_ours_1 ( int  output_only )

static

Definition at line 339 of file inflow.c.

References current_inferior(), fprintf_unfiltered(), gdb_has_a_terminal(), gdb_stderr, get_inflow_inferior_data(), arm-linux::inf, job_control, our_terminal_info, terminal_info::process_group, terminal_info::run_terminal, safe_strerror(), serial_get_tty_state(), serial_set_tty_state(), sigint_ours, sigquit_ours, stdin_serial, tcgetpgrp(), tcsetpgrp(), terminal_is_ours, terminal_info::tflags, terminal_info::ttystate, and xfree().

Referenced by child_terminal_ours(), and child_terminal_ours_for_output().

child_terminal_ours_for_output()

void child_terminal_ours_for_output

(

struct target_ops *

self

)

Definition at line 315 of file inflow.c.

References child_terminal_ours_1().

Referenced by inf_child_target().

clear_sigint_trap()

void clear_sigint_trap

(

void

)

Definition at line 718 of file inflow.c.

References osig, and osig_set.

Referenced by inf_ptrace_wait(), linux_nat_terminal_ours(), rs6000_wait(), and spu_child_wait().

copy_terminal_info()

void copy_terminal_info	(	struct inferior *	to,
		struct inferior *	from
	)

Definition at line 466 of file inflow.c.

References get_inflow_inferior_data(), terminal_info::run_terminal, serial_copy_tty_state(), stdin_serial, terminal_info::ttystate, and xfree().

Referenced by follow_fork_inferior().

create_tty_session()

pid_t create_tty_session

(

void

)

Definition at line 736 of file inflow.c.

References _, inferior_thisrun_terminal, job_control, safe_strerror(), and warning().

Referenced by postfork_child_hook().

gdb_has_a_terminal()

static int gdb_has_a_terminal ( void  )

static

Definition at line 181 of file inflow.c.

References initial_gdb_ttystate.

Referenced by child_terminal_inferior(), child_terminal_info(), child_terminal_init(), child_terminal_ours_1(), and gdb_save_tty_state().

gdb_save_tty_state()

void gdb_save_tty_state

(

void

)

Definition at line 229 of file inflow.c.

References gdb_has_a_terminal(), our_terminal_info, serial_get_tty_state(), stdin_serial, terminal_info::ttystate, and xfree().

Referenced by tui_disable(), and tui_enable().

get_inflow_inferior_data()

static struct terminal_info * get_inflow_inferior_data ( struct inferior *  inf )

static

Definition at line 430 of file inflow.c.

References inflow_inferior_data, and XCNEW.

Referenced by child_terminal_inferior(), child_terminal_info(), child_terminal_init(), child_terminal_ours_1(), copy_terminal_info(), inferior_process_group(), new_tty_postfork(), and set_sigint_trap().

inferior_process_group()

pid_t inferior_process_group

(

void

)

Definition at line 128 of file inflow.c.

References current_inferior(), get_inflow_inferior_data(), and terminal_info::process_group.

Referenced by inf_ptrace_interrupt(), and procfs_interrupt().

inflow_inferior_data_cleanup()

static void inflow_inferior_data_cleanup ( struct inferior *  inf, void *  arg  )

static

Definition at line 417 of file inflow.c.

References terminal_info::run_terminal, terminal_info::ttystate, and xfree().

Referenced by _initialize_inflow().

inflow_inferior_exit()

static void inflow_inferior_exit ( struct inferior *  inf )

static

Definition at line 451 of file inflow.c.

References inflow_inferior_data, terminal_info::run_terminal, terminal_info::ttystate, and xfree().

Referenced by _initialize_inflow().

info_terminal_command()

void info_terminal_command	(	const char *	arg,
		int	from_tty
	)

Definition at line 488 of file inflow.c.

References target_terminal::info().

Referenced by _initialize_inflow().

initialize_stdin_serial()

void initialize_stdin_serial

(

void

)

Definition at line 762 of file inflow.c.

References serial_fdopen(), and stdin_serial.

Referenced by gdb_init().

new_tty()

void new_tty

(

void

)

Definition at line 610 of file inflow.c.

References _, check_syscall(), inferior_thisrun_terminal, O_NOCTTY, safe_strerror(), and warning().

Referenced by postfork_child_hook().

new_tty_postfork()

void new_tty_postfork

(

void

)

Definition at line 671 of file inflow.c.

References current_inferior(), get_inflow_inferior_data(), inferior_thisrun_terminal, and terminal_info::run_terminal.

Referenced by postfork_hook().

new_tty_prefork()

void new_tty_prefork

(

const char *

ttyname

)

Definition at line 587 of file inflow.c.

References inferior_thisrun_terminal.

Referenced by prefork_hook().

pass_signal()

static void pass_signal ( int  signo )

static

Definition at line 692 of file inflow.c.

References inferior_ptid, and ptid_get_pid().

Referenced by set_sigint_trap().

set_initial_gdb_ttystate()

void set_initial_gdb_ttystate

(

void

)

Definition at line 158 of file inflow.c.

References initial_gdb_ttystate, our_terminal_info, terminal_info::process_group, serial_copy_tty_state(), serial_get_tty_state(), stdin_serial, tcgetpgrp(), terminal_info::tflags, and terminal_info::ttystate.

Referenced by gdb_init().

set_sigint_trap()

void set_sigint_trap

(

void

)

Definition at line 703 of file inflow.c.

References current_inferior(), get_inflow_inferior_data(), osig, osig_set, pass_signal(), and terminal_info::run_terminal.

Referenced by inf_ptrace_wait(), linux_nat_terminal_inferior(), rs6000_wait(), and spu_child_wait().

Variable Documentation

inferior_thisrun_terminal

const char* inferior_thisrun_terminal

static

Definition at line 147 of file inflow.c.

Referenced by create_tty_session(), new_tty(), new_tty_postfork(), and new_tty_prefork().

inflow_inferior_data

const struct inferior_data* inflow_inferior_data

static

Definition at line 414 of file inflow.c.

Referenced by _initialize_inflow(), get_inflow_inferior_data(), and inflow_inferior_exit().

initial_gdb_ttystate

serial_ttystate initial_gdb_ttystate

static

Definition at line 90 of file inflow.c.

Referenced by child_terminal_init(), gdb_has_a_terminal(), and set_initial_gdb_ttystate().

osig

sighandler_t osig

static

Definition at line 699 of file inflow.c.

Referenced by clear_sigint_trap(), and set_sigint_trap().

osig_set

int osig_set

static

Definition at line 700 of file inflow.c.

Referenced by clear_sigint_trap(), and set_sigint_trap().

our_terminal_info

struct terminal_info our_terminal_info

static

Definition at line 83 of file inflow.c.

Referenced by child_terminal_ours_1(), gdb_save_tty_state(), and set_initial_gdb_ttystate().

sigint_ours

sighandler_t sigint_ours

static

Definition at line 139 of file inflow.c.

Referenced by child_terminal_inferior(), and child_terminal_ours_1().

sigquit_ours

sighandler_t sigquit_ours

static

Definition at line 140 of file inflow.c.

Referenced by child_terminal_inferior(), and child_terminal_ours_1().

stdin_serial

struct serial* stdin_serial

static

Definition at line 53 of file inflow.c.

Referenced by child_terminal_inferior(), child_terminal_info(), child_terminal_init(), child_terminal_ours_1(), copy_terminal_info(), gdb_save_tty_state(), initialize_stdin_serial(), and set_initial_gdb_ttystate().

terminal_is_ours

int terminal_is_ours

Definition at line 153 of file inflow.c.

Referenced by _initialize_inflow(), child_terminal_inferior(), child_terminal_init(), and child_terminal_ours_1().