#include "all.h"
#include <ev.h>
#include <iconv.h>
#include <signal.h>
#include <sys/wait.h>
#include <xcb/xcb_event.h>
#include <X11/keysym.h>

Include dependency graph for sighandler.c:

Macros
#define	I3__FILE__ "sighandler.c"

Functions
static void	open_popups (void)

static int	backtrace (void)

static int	sig_draw_window (xcb_window_t win, int width, int height, int font_height, i3String **crash_text_i3strings)

static int	sig_handle_key_press (void ignored, xcb_connection_t conn, xcb_key_press_event_t *event)

static xcb_window_t	open_input_window (xcb_connection_t *conn, Rect screen_rect, uint32_t width, uint32_t height)

void	handle_signal (int sig, siginfo_t info, void data)

void	setup_signal_handler (void)
	Setup signal handlers to safely handle SIGSEGV and SIGFPE. More...

Variables
static xcb_gcontext_t	pixmap_gc

static xcb_pixmap_t	pixmap

static int	raised_signal

static char *	crash_text []

static int	crash_text_longest = 5

static int	backtrace_string_index = 3

static int	backtrace_done = 0

Macro Definition Documentation

#define I3__FILE__ "sighandler.c"

Definition at line 2 of file sighandler.c.

Function Documentation

static int backtrace ( void )

static

Definition at line 46 of file sighandler.c.

References DLOG, ELOG, FREE, sasprintf(), and start_argv.

Referenced by sig_handle_key_press().

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void handle_signal	(	int	sig,
		siginfo_t *	info,
		void *	data
	)

Definition at line 291 of file sighandler.c.

References conn, DLOG, open_popups(), raised_signal, and sig_handle_key_press().

Referenced by setup_signal_handler().

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static xcb_window_t open_input_window	(	xcb_connection_t *	conn,
		Rect	screen_rect,
		uint32_t	width,
		uint32_t	height
	)

static

Definition at line 210 of file sighandler.c.

References Rect::height, root, Rect::width, x, Rect::x, y, and Rect::y.

Referenced by open_popups().

static void open_popups ( void )

static

Definition at line 243 of file sighandler.c.

References xoutput::active, config, conn, crash_text, crash_text_longest, Config::font, height, Font::height, i3string_from_utf8(), open_input_window(), outputs, pixmap, pixmap_gc, predict_text_width(), xoutput::rect, root_depth, sig_draw_window(), smalloc(), TAILQ_FOREACH, and width.

Referenced by handle_signal(), and sig_handle_key_press().

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void setup_signal_handler ( void )

Setup signal handlers to safely handle SIGSEGV and SIGFPE.

Definition at line 317 of file sighandler.c.

References ELOG, and handle_signal().

Referenced by main().

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static int sig_draw_window	(	xcb_window_t	win,
		int	width,
		int	height,
		int	font_height,
		i3String **	crash_text_i3strings
	)

static

Definition at line 134 of file sighandler.c.

References backtrace_done, backtrace_string_index, conn, draw_text(), get_colorpixel(), pixmap, pixmap_gc, set_font_colors(), and width.

Referenced by open_popups().

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static int sig_handle_key_press	(	void *	ignored,
		xcb_connection_t *	conn,
		xcb_key_press_event_t *	event
	)

static

Definition at line 176 of file sighandler.c.

References backtrace(), backtrace_done, DLOG, i3_restart(), keysyms, open_popups(), state, and xcb_numlock_mask.

Referenced by handle_signal().

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Variable Documentation

int backtrace_done = 0

static

Definition at line 40 of file sighandler.c.

Referenced by sig_draw_window(), and sig_handle_key_press().

int backtrace_string_index = 3

static

Definition at line 39 of file sighandler.c.

Referenced by sig_draw_window().

char* crash_text[]

static

Initial value:

= {
    "i3 just crashed.",
    "To debug this problem, either attach gdb now",
    "or press",
    "- 'b' to save a backtrace (needs GDB),",
    "- 'r' to restart i3 in-place or",
    "- 'f' to forget the current layout and restart"}