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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 #define XCB_SEQUENCE_COMPARE_32(a,op,b) (((int) (a) - (int) (b)) op 0)
00058
00059 #ifndef offsetof
00060 #define offsetof(type,member) ((size_t) &((type *)0)->member)
00061 #endif
00062
00063 #ifndef MIN
00064 #define MIN(x,y) ((x) < (y) ? (x) : (y))
00065 #endif
00066
00067 #define container_of(pointer,type,member) ((type *)(((char *)(pointer)) - offsetof(type, member)))
00068
00069
00070
00071 typedef void (*xcb_list_free_func_t)(void *);
00072
00073 typedef struct _xcb_map _xcb_map;
00074
00075 _xcb_map *_xcb_map_new(void);
00076 void _xcb_map_delete(_xcb_map *q, xcb_list_free_func_t do_free);
00077 int _xcb_map_put(_xcb_map *q, unsigned int key, void *data);
00078 void *_xcb_map_remove(_xcb_map *q, unsigned int key);
00079
00080
00081
00082
00083 typedef struct _xcb_out {
00084 pthread_cond_t cond;
00085 int writing;
00086
00087 pthread_cond_t socket_cond;
00088 void (*return_socket)(void *closure);
00089 void *socket_closure;
00090 int socket_moving;
00091
00092 char queue[XCB_QUEUE_BUFFER_SIZE];
00093 int queue_len;
00094
00095 uint64_t request;
00096 uint64_t request_written;
00097
00098 pthread_mutex_t reqlenlock;
00099 enum lazy_reply_tag maximum_request_length_tag;
00100 union {
00101 xcb_big_requests_enable_cookie_t cookie;
00102 uint32_t value;
00103 } maximum_request_length;
00104 } _xcb_out;
00105
00106 int _xcb_out_init(_xcb_out *out);
00107 void _xcb_out_destroy(_xcb_out *out);
00108
00109 int _xcb_out_send(xcb_connection_t *c, struct iovec *vector, int count);
00110 int _xcb_out_flush_to(xcb_connection_t *c, uint64_t request);
00111
00112
00113
00114
00115 typedef struct _xcb_in {
00116 pthread_cond_t event_cond;
00117 int reading;
00118
00119 char queue[4096];
00120 int queue_len;
00121
00122 uint64_t request_expected;
00123 uint64_t request_read;
00124 uint64_t request_completed;
00125 struct reply_list *current_reply;
00126 struct reply_list **current_reply_tail;
00127
00128 _xcb_map *replies;
00129 struct event_list *events;
00130 struct event_list **events_tail;
00131 struct reader_list *readers;
00132
00133 struct pending_reply *pending_replies;
00134 struct pending_reply **pending_replies_tail;
00135 } _xcb_in;
00136
00137 int _xcb_in_init(_xcb_in *in);
00138 void _xcb_in_destroy(_xcb_in *in);
00139
00140 void _xcb_in_wake_up_next_reader(xcb_connection_t *c);
00141
00142 int _xcb_in_expect_reply(xcb_connection_t *c, uint64_t request, enum workarounds workaround, int flags);
00143 void _xcb_in_replies_done(xcb_connection_t *c);
00144
00145 int _xcb_in_read(xcb_connection_t *c);
00146 int _xcb_in_read_block(xcb_connection_t *c, void *buf, int nread);
00147
00148
00149
00150
00151 typedef struct _xcb_xid {
00152 pthread_mutex_t lock;
00153 uint32_t last;
00154 uint32_t base;
00155 uint32_t max;
00156 uint32_t inc;
00157 } _xcb_xid;
00158
00159 int _xcb_xid_init(xcb_connection_t *c);
00160 void _xcb_xid_destroy(xcb_connection_t *c);
00161
00162
00163
00164
00165 typedef struct _xcb_ext {
00166 pthread_mutex_t lock;
00167 struct lazyreply *extensions;
00168 int extensions_size;
00169 } _xcb_ext;
00170
00171 int _xcb_ext_init(xcb_connection_t *c);
00172 void _xcb_ext_destroy(xcb_connection_t *c);
00173
00174
00175
00176
00177 struct xcb_connection_t {
00178 int has_error;
00179
00180
00181 xcb_setup_t *setup;
00182 int fd;
00183
00184
00185 pthread_mutex_t iolock;
00186 _xcb_in in;
00187 _xcb_out out;
00188
00189
00190 _xcb_ext ext;
00191 _xcb_xid xid;
00192 };
00193
00194 void _xcb_conn_shutdown(xcb_connection_t *c);
00195 int _xcb_conn_wait(xcb_connection_t *c, pthread_cond_t *cond, struct iovec **vector, int *count);
00196
00197
00198
00199
00200 int _xcb_get_auth_info(int fd, xcb_auth_info_t *info, int display);
00201
00202 #ifdef GCC_HAS_VISIBILITY
00203 #pragma GCC visibility pop
00204 #endif
00205
00206 #endif