/* * 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 <unistd.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) #define XCB_SEQUENCE_COMPARE_32(a,op,b) (((int) (a) - (int) (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); 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 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 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); 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 */ 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