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00028 #ifndef __XCBINT_H
00029 #define __XCBINT_H
00030
00031 #include "bigreq.h"
00032
00033 #ifdef HAVE_CONFIG_H
00034 #include "config.h"
00035 #endif
00036
00037 #ifdef GCC_HAS_VISIBILITY
00038 #pragma GCC visibility push(hidden)
00039 #endif
00040
00041 enum workarounds {
00042 WORKAROUND_NONE,
00043 WORKAROUND_GLX_GET_FB_CONFIGS_BUG,
00044 WORKAROUND_EXTERNAL_SOCKET_OWNER
00045 };
00046
00047 enum lazy_reply_tag
00048 {
00049 LAZY_NONE = 0,
00050 LAZY_COOKIE,
00051 LAZY_FORCED
00052 };
00053
00054 #define XCB_PAD(i) (-(i) & 3)
00055
00056 #define XCB_SEQUENCE_COMPARE(a,op,b) ((int64_t) ((a) - (b)) op 0)
00057
00058 #ifndef offsetof
00059 #define offsetof(type,member) ((size_t) &((type *)0)->member)
00060 #endif
00061
00062 #ifndef MIN
00063 #define MIN(x,y) ((x) < (y) ? (x) : (y))
00064 #endif
00065
00066 #define container_of(pointer,type,member) ((type *)(((char *)(pointer)) - offsetof(type, member)))
00067
00068
00069
00070 typedef void (*xcb_list_free_func_t)(void *);
00071
00072 typedef struct _xcb_map _xcb_map;
00073
00074 _xcb_map *_xcb_map_new(void);
00075 void _xcb_map_delete(_xcb_map *q, xcb_list_free_func_t do_free);
00076 int _xcb_map_put(_xcb_map *q, unsigned int key, void *data);
00077 void *_xcb_map_remove(_xcb_map *q, unsigned int key);
00078
00079
00080
00081
00082 #if HAVE_SENDMSG
00083 #define XCB_MAX_PASS_FD 16
00084
00085 typedef struct _xcb_fd {
00086 int fd[XCB_MAX_PASS_FD];
00087 int nfd;
00088 int ifd;
00089 } _xcb_fd;
00090 #endif
00091
00092 typedef struct _xcb_out {
00093 pthread_cond_t cond;
00094 int writing;
00095
00096 pthread_cond_t socket_cond;
00097 void (*return_socket)(void *closure);
00098 void *socket_closure;
00099 int socket_moving;
00100
00101 char queue[XCB_QUEUE_BUFFER_SIZE];
00102 int queue_len;
00103
00104 uint64_t request;
00105 uint64_t request_written;
00106
00107 pthread_mutex_t reqlenlock;
00108 enum lazy_reply_tag maximum_request_length_tag;
00109 union {
00110 xcb_big_requests_enable_cookie_t cookie;
00111 uint32_t value;
00112 } maximum_request_length;
00113 #if HAVE_SENDMSG
00114 _xcb_fd out_fd;
00115 #endif
00116 } _xcb_out;
00117
00118 int _xcb_out_init(_xcb_out *out);
00119 void _xcb_out_destroy(_xcb_out *out);
00120
00121 int _xcb_out_send(xcb_connection_t *c, struct iovec *vector, int count);
00122 void _xcb_out_send_sync(xcb_connection_t *c);
00123 int _xcb_out_flush_to(xcb_connection_t *c, uint64_t request);
00124
00125
00126
00127
00128 typedef struct _xcb_in {
00129 pthread_cond_t event_cond;
00130 int reading;
00131
00132 char queue[4096];
00133 int queue_len;
00134
00135 uint64_t request_expected;
00136 uint64_t request_read;
00137 uint64_t request_completed;
00138 struct reply_list *current_reply;
00139 struct reply_list **current_reply_tail;
00140
00141 _xcb_map *replies;
00142 struct event_list *events;
00143 struct event_list **events_tail;
00144 struct reader_list *readers;
00145 struct special_list *special_waiters;
00146
00147 struct pending_reply *pending_replies;
00148 struct pending_reply **pending_replies_tail;
00149 #if HAVE_SENDMSG
00150 _xcb_fd in_fd;
00151 #endif
00152 struct xcb_special_event *special_events;
00153 } _xcb_in;
00154
00155 int _xcb_in_init(_xcb_in *in);
00156 void _xcb_in_destroy(_xcb_in *in);
00157
00158 void _xcb_in_wake_up_next_reader(xcb_connection_t *c);
00159
00160 int _xcb_in_expect_reply(xcb_connection_t *c, uint64_t request, enum workarounds workaround, int flags);
00161 void _xcb_in_replies_done(xcb_connection_t *c);
00162
00163 int _xcb_in_read(xcb_connection_t *c);
00164 int _xcb_in_read_block(xcb_connection_t *c, void *buf, int nread);
00165
00166
00167
00168
00169 typedef struct _xcb_xid {
00170 pthread_mutex_t lock;
00171 uint32_t last;
00172 uint32_t base;
00173 uint32_t max;
00174 uint32_t inc;
00175 } _xcb_xid;
00176
00177 int _xcb_xid_init(xcb_connection_t *c);
00178 void _xcb_xid_destroy(xcb_connection_t *c);
00179
00180
00181
00182
00183 typedef struct _xcb_ext {
00184 pthread_mutex_t lock;
00185 struct lazyreply *extensions;
00186 int extensions_size;
00187 } _xcb_ext;
00188
00189 int _xcb_ext_init(xcb_connection_t *c);
00190 void _xcb_ext_destroy(xcb_connection_t *c);
00191
00192
00193
00194
00195 struct xcb_connection_t {
00196
00197 int has_error;
00198
00199
00200 xcb_setup_t *setup;
00201 int fd;
00202
00203
00204 pthread_mutex_t iolock;
00205 _xcb_in in;
00206 _xcb_out out;
00207
00208
00209 _xcb_ext ext;
00210 _xcb_xid xid;
00211 };
00212
00213 void _xcb_conn_shutdown(xcb_connection_t *c, int err);
00214
00215 xcb_connection_t *_xcb_conn_ret_error(int err);
00216
00217 int _xcb_conn_wait(xcb_connection_t *c, pthread_cond_t *cond, struct iovec **vector, int *count);
00218
00219
00220
00221
00222 int _xcb_get_auth_info(int fd, xcb_auth_info_t *info, int display);
00223
00224 #ifdef GCC_HAS_VISIBILITY
00225 #pragma GCC visibility pop
00226 #endif
00227
00228 #endif