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
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
|
/*
* Copyright (C) 2001-2004 Bart Massey and Jamey Sharp.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* Except as contained in this notice, the names of the authors or their
* institutions shall not be used in advertising or otherwise to promote the
* sale, use or other dealings in this Software without prior written
* authorization from the authors.
*/
#ifndef __XCBINT_H
#define __XCBINT_H
#include "bigreq.h"
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef GCC_HAS_VISIBILITY
#pragma GCC visibility push(hidden)
#endif
enum workarounds {
WORKAROUND_NONE,
WORKAROUND_GLX_GET_FB_CONFIGS_BUG,
WORKAROUND_EXTERNAL_SOCKET_OWNER
};
enum lazy_reply_tag
{
LAZY_NONE = 0,
LAZY_COOKIE,
LAZY_FORCED
};
#define XCB_PAD(i) (-(i) & 3)
#define XCB_SEQUENCE_COMPARE(a,op,b) ((int64_t) ((a) - (b)) op 0)
#ifndef offsetof
#define offsetof(type,member) ((size_t) &((type *)0)->member)
#endif
#ifndef MIN
#define MIN(x,y) ((x) < (y) ? (x) : (y))
#endif
#define container_of(pointer,type,member) ((type *)(((char *)(pointer)) - offsetof(type, member)))
/* xcb_list.c */
typedef void (*xcb_list_free_func_t)(void *);
typedef struct _xcb_map _xcb_map;
_xcb_map *_xcb_map_new(void);
void _xcb_map_delete(_xcb_map *q, xcb_list_free_func_t do_free);
int _xcb_map_put(_xcb_map *q, unsigned int key, void *data);
void *_xcb_map_remove(_xcb_map *q, unsigned int key);
/* xcb_out.c */
typedef struct _xcb_out {
pthread_cond_t cond;
int writing;
pthread_cond_t socket_cond;
void (*return_socket)(void *closure);
void *socket_closure;
int socket_moving;
char queue[XCB_QUEUE_BUFFER_SIZE];
int queue_len;
uint64_t request;
uint64_t request_written;
pthread_mutex_t reqlenlock;
enum lazy_reply_tag maximum_request_length_tag;
union {
xcb_big_requests_enable_cookie_t cookie;
uint32_t value;
} maximum_request_length;
} _xcb_out;
int _xcb_out_init(_xcb_out *out);
void _xcb_out_destroy(_xcb_out *out);
int _xcb_out_send(xcb_connection_t *c, struct iovec *vector, int count);
void _xcb_out_send_sync(xcb_connection_t *c);
int _xcb_out_flush_to(xcb_connection_t *c, uint64_t request);
/* xcb_in.c */
typedef struct _xcb_in {
pthread_cond_t event_cond;
int reading;
char queue[4096];
int queue_len;
uint64_t request_expected;
uint64_t request_read;
uint64_t event_responses_completed;
uint64_t request_completed;
struct reply_list *current_reply;
struct reply_list **current_reply_tail;
_xcb_map *replies;
struct event_list *events;
struct event_list **events_tail;
struct reader_list *readers;
struct reader_list *event_readers;
struct pending_reply *pending_replies;
struct pending_reply **pending_replies_tail;
} _xcb_in;
int _xcb_in_init(_xcb_in *in);
void _xcb_in_destroy(_xcb_in *in);
void _xcb_in_wake_up_next_reader(xcb_connection_t *c);
int _xcb_in_expect_reply(xcb_connection_t *c, uint64_t request, enum workarounds workaround, int flags);
void _xcb_in_replies_done(xcb_connection_t *c);
int _xcb_in_read(xcb_connection_t *c);
int _xcb_in_read_block(xcb_connection_t *c, void *buf, int nread);
/* xcb_xid.c */
typedef struct _xcb_xid {
pthread_mutex_t lock;
uint32_t last;
uint32_t base;
uint32_t max;
uint32_t inc;
} _xcb_xid;
int _xcb_xid_init(xcb_connection_t *c);
void _xcb_xid_destroy(xcb_connection_t *c);
/* xcb_ext.c */
typedef struct _xcb_ext {
pthread_mutex_t lock;
struct lazyreply *extensions;
int extensions_size;
} _xcb_ext;
int _xcb_ext_init(xcb_connection_t *c);
void _xcb_ext_destroy(xcb_connection_t *c);
/* xcb_conn.c */
extern const int error_connection;
struct xcb_connection_t {
int has_error;
/* constant data */
xcb_setup_t *setup;
int fd;
/* I/O data */
pthread_mutex_t iolock;
_xcb_in in;
_xcb_out out;
/* misc data */
_xcb_ext ext;
_xcb_xid xid;
};
void _xcb_conn_shutdown(xcb_connection_t *c);
int _xcb_conn_wait(xcb_connection_t *c, pthread_cond_t *cond, struct iovec **vector, int *count);
/* xcb_auth.c */
int _xcb_get_auth_info(int fd, xcb_auth_info_t *info, int display);
#ifdef GCC_HAS_VISIBILITY
#pragma GCC visibility pop
#endif
#endif
|
