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.
38 #include <sys/socket.h>
41 #ifdef GCC_HAS_VISIBILITY
42 #pragma GCC visibility push(hidden)
47 WORKAROUND_GLX_GET_FB_CONFIGS_BUG,
48 WORKAROUND_EXTERNAL_SOCKET_OWNER
58 #define XCB_PAD(i) (-(i) & 3)
60 #define XCB_SEQUENCE_COMPARE(a,op,b) ((int64_t) ((a) - (b)) op 0)
63 #define offsetof(type,member) ((size_t) &((type *)0)->member)
67 #define MIN(x,y) ((x) < (y) ? (x) : (y))
70 #define container_of(pointer,type,member) ((type *)(((char *)(pointer)) - offsetof(type, member)))
74 typedef void (*xcb_list_free_func_t)(void *);
76 typedef struct _xcb_map _xcb_map;
78 _xcb_map *_xcb_map_new(void);
79 void _xcb_map_delete(_xcb_map *q, xcb_list_free_func_t do_free);
80 int _xcb_map_put(_xcb_map *q, unsigned int key, void *data);
81 void *_xcb_map_remove(_xcb_map *q, unsigned int key);
86 typedef void (*xcb_return_socket_func_t)(void *closure);
89 #define XCB_MAX_PASS_FD 16
91 typedef struct _xcb_fd {
92 struct cmsghdr cmsghdr;
93 int fd[XCB_MAX_PASS_FD];
98 typedef struct _xcb_out {
102 xcb_return_socket_func_t return_socket;
103 void *socket_closure;
104 unsigned int socket_seq;
106 char queue[XCB_QUEUE_BUFFER_SIZE];
110 uint64_t request_written;
112 pthread_mutex_t reqlenlock;
113 enum lazy_reply_tag maximum_request_length_tag;
115 xcb_big_requests_enable_cookie_t cookie;
117 } maximum_request_length;
123 int _xcb_out_init(_xcb_out *out);
124 void _xcb_out_destroy(_xcb_out *out);
126 int _xcb_out_send(xcb_connection_t *c, struct iovec *vector, int count);
127 void _xcb_out_send_sync(xcb_connection_t *c);
128 int _xcb_out_flush_to(xcb_connection_t *c, uint64_t request);
133 typedef struct _xcb_in {
134 pthread_cond_t event_cond;
140 uint64_t request_expected;
141 uint64_t request_read;
142 uint64_t request_completed;
143 struct reply_list *current_reply;
144 struct reply_list **current_reply_tail;
147 struct event_list *events;
148 struct event_list **events_tail;
149 struct reader_list *readers;
151 struct pending_reply *pending_replies;
152 struct pending_reply **pending_replies_tail;
155 int _xcb_in_init(_xcb_in *in);
156 void _xcb_in_destroy(_xcb_in *in);
158 void _xcb_in_wake_up_next_reader(xcb_connection_t *c);
160 int _xcb_in_expect_reply(xcb_connection_t *c, uint64_t request, enum workarounds workaround, int flags);
161 void _xcb_in_replies_done(xcb_connection_t *c);
163 int _xcb_in_read(xcb_connection_t *c);
164 int _xcb_in_read_block(xcb_connection_t *c, void *buf, int nread);
169 typedef struct _xcb_xid {
170 pthread_mutex_t lock;
177 int _xcb_xid_init(xcb_connection_t *c);
178 void _xcb_xid_destroy(xcb_connection_t *c);
183 typedef struct _xcb_ext {
184 pthread_mutex_t lock;
185 struct lazyreply *extensions;
189 int _xcb_ext_init(xcb_connection_t *c);
190 void _xcb_ext_destroy(xcb_connection_t *c);
195 struct xcb_connection_t {
203 pthread_mutex_t iolock;
212 void _xcb_conn_shutdown(xcb_connection_t *c, int err);
214 xcb_connection_t *_xcb_conn_ret_error(int err);
216 int _xcb_conn_wait(xcb_connection_t *c, pthread_cond_t *cond, struct iovec **vector, int *count);
221 int _xcb_get_auth_info(int fd, xcb_auth_info_t *info, int display);
223 #ifdef GCC_HAS_VISIBILITY
224 #pragma GCC visibility pop