2 * Copyright (C) 2001-2004 Bart Massey and Jamey Sharp.
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 * AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
19 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
20 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22 * Except as contained in this notice, the names of the authors or their
23 * institutions shall not be used in advertising or otherwise to promote the
24 * sale, use or other dealings in this Software without prior written
25 * authorization from the authors.
37 #ifdef GCC_HAS_VISIBILITY
38 #pragma GCC visibility push(hidden)
43 WORKAROUND_GLX_GET_FB_CONFIGS_BUG,
44 WORKAROUND_EXTERNAL_SOCKET_OWNER
54 #define XCB_PAD(i) (-(i) & 3)
56 #define XCB_SEQUENCE_COMPARE(a,op,b) ((int64_t) ((a) - (b)) op 0)
57 #define XCB_SEQUENCE_COMPARE_32(a,op,b) (((int) (a) - (int) (b)) op 0)
60 #define offsetof(type,member) ((size_t) &((type *)0)->member)
64 #define MIN(x,y) ((x) < (y) ? (x) : (y))
67 #define container_of(pointer,type,member) ((type *)(((char *)(pointer)) - offsetof(type, member)))
71 typedef void (*xcb_list_free_func_t)(void *);
73 typedef struct _xcb_map _xcb_map;
75 _xcb_map *_xcb_map_new(void);
76 void _xcb_map_delete(_xcb_map *q, xcb_list_free_func_t do_free);
77 int _xcb_map_put(_xcb_map *q, unsigned int key, void *data);
78 void *_xcb_map_remove(_xcb_map *q, unsigned int key);
83 typedef struct _xcb_out {
87 pthread_cond_t socket_cond;
88 void (*return_socket)(void *closure);
92 char queue[XCB_QUEUE_BUFFER_SIZE];
96 uint64_t request_written;
98 pthread_mutex_t reqlenlock;
99 enum lazy_reply_tag maximum_request_length_tag;
101 xcb_big_requests_enable_cookie_t cookie;
103 } maximum_request_length;
106 int _xcb_out_init(_xcb_out *out);
107 void _xcb_out_destroy(_xcb_out *out);
109 int _xcb_out_send(xcb_connection_t *c, struct iovec *vector, int count);
110 int _xcb_out_flush_to(xcb_connection_t *c, uint64_t request);
115 typedef struct _xcb_in {
116 pthread_cond_t event_cond;
122 uint64_t request_expected;
123 uint64_t request_read;
124 uint64_t request_completed;
125 struct reply_list *current_reply;
126 struct reply_list **current_reply_tail;
129 struct event_list *events;
130 struct event_list **events_tail;
131 struct reader_list *readers;
133 struct pending_reply *pending_replies;
134 struct pending_reply **pending_replies_tail;
137 int _xcb_in_init(_xcb_in *in);
138 void _xcb_in_destroy(_xcb_in *in);
140 void _xcb_in_wake_up_next_reader(xcb_connection_t *c);
142 int _xcb_in_expect_reply(xcb_connection_t *c, uint64_t request, enum workarounds workaround, int flags);
143 void _xcb_in_replies_done(xcb_connection_t *c);
145 int _xcb_in_read(xcb_connection_t *c);
146 int _xcb_in_read_block(xcb_connection_t *c, void *buf, int nread);
151 typedef struct _xcb_xid {
152 pthread_mutex_t lock;
159 int _xcb_xid_init(xcb_connection_t *c);
160 void _xcb_xid_destroy(xcb_connection_t *c);
165 typedef struct _xcb_ext {
166 pthread_mutex_t lock;
167 struct lazyreply *extensions;
171 int _xcb_ext_init(xcb_connection_t *c);
172 void _xcb_ext_destroy(xcb_connection_t *c);
177 struct xcb_connection_t {
185 pthread_mutex_t iolock;
194 void _xcb_conn_shutdown(xcb_connection_t *c);
195 int _xcb_conn_wait(xcb_connection_t *c, pthread_cond_t *cond, struct iovec **vector, int *count);
200 int _xcb_get_auth_info(int fd, xcb_auth_info_t *info, int display);
202 #ifdef GCC_HAS_VISIBILITY
203 #pragma GCC visibility pop