aboutsummaryrefslogtreecommitdiffstats
path: root/legacy/ecore/src/lib/ecore_x/xlib/ecore_x_error.c
blob: 837ff535448d36b4cd9acdf68a78ac06b2c84899 (plain) (blame)
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
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif /* ifdef HAVE_CONFIG_H */

#include <stdlib.h>

#include "Ecore.h"
#include "ecore_private.h"
#include "ecore_x_private.h"
#include "Ecore_X.h"

static int _ecore_x_error_handle(Display     *d,
                                 XErrorEvent *ev);
static int _ecore_x_io_error_handle(Display *d);

static void (*_error_func)(void *data) = NULL;
static void *_error_data = NULL;
static void (*_io_error_func)(void *data) = NULL;
static void *_io_error_data = NULL;
static int _error_request_code = 0;
static int _error_code = 0;

/**
 * Set the error handler.
 * @param func The error handler function
 * @param data The data to be passed to the handler function
 *
 * Set the X error handler function
 */
EAPI void
ecore_x_error_handler_set(void        (*func)(void *data),
                          const void *data)
{
   _error_func = func;
   _error_data = (void *)data;
} /* ecore_x_error_handler_set */

/**
 * Set the I/O error handler.
 * @param func The I/O error handler function
 * @param data The data to be passed to the handler function
 *
 * Set the X I/O error handler function
 */
EAPI void
ecore_x_io_error_handler_set(void        (*func)(void *data),
                             const void *data)
{
   _io_error_func = func;
   _io_error_data = (void *)data;
} /* ecore_x_io_error_handler_set */

/**
 * Get the request code that caused the error.
 * @return The request code causing the X error
 *
 * Return the X request code that caused the last X error
 */
EAPI int
ecore_x_error_request_get(void)
{
   return _error_request_code;
} /* ecore_x_error_request_get */

/**
 * Get the error code from the error.
 * @return The error code from the X error
 *
 * Return the error code from the last X error
 */
EAPI int
ecore_x_error_code_get(void)
{
   return _error_code;
} /* ecore_x_error_code_get */

void
_ecore_x_error_handler_init(void)
{
   XSetErrorHandler((XErrorHandler)_ecore_x_error_handle);
   XSetIOErrorHandler((XIOErrorHandler)_ecore_x_io_error_handle);
} /* _ecore_x_error_handler_init */

static int
_ecore_x_error_handle(Display     *d,
                      XErrorEvent *ev)
{
   if (d == _ecore_x_disp)
     {
        _error_request_code = ev->request_code;
        _error_code = ev->error_code;
        if (_error_func)
          _error_func(_error_data);
     }
   return 0;
} /* _ecore_x_error_handle */

static int
_ecore_x_io_error_handle(Display *d)
{
   if (d == _ecore_x_disp)
     {
        if (_io_error_func)
          _io_error_func(_io_error_data);
        else
          exit(-1);
     }

   return 0;
} /* _ecore_x_io_error_handle */