X-Git-Url: http://git.demorecorder.com/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fxcb.h;h=3ee7965d2a2d1f34f70530dc37096730dfcdab23;hb=9b4d6f30a339e2d18ebaea98149da81aba453216;hp=f95127665e57f277a96c0b3dd72cd7b6a6ee4a5a;hpb=f4c2794bf5990a0b2f6168f2b22b60b15e08ac44;p=free-sw%2Fxcb%2Flibxcb diff --git a/src/xcb.h b/src/xcb.h index f951276..3ee7965 100644 --- a/src/xcb.h +++ b/src/xcb.h @@ -35,7 +35,11 @@ #include #endif +#ifndef _WIN32 #include +#else +#include "xcb_windefs.h" +#endif #include @@ -267,6 +271,22 @@ xcb_generic_event_t *xcb_wait_for_event(xcb_connection_t *c); */ xcb_generic_event_t *xcb_poll_for_event(xcb_connection_t *c); +/** + * @brief Returns the next event without reading from the connection. + * @param c: The connection to the X server. + * @return The next already queued event from the server. + * + * This is a version of xcb_poll_for_event that only examines the + * event queue for new events. The function doesn't try to read new + * events from the connection if no queued events are found. + * + * This function is useful for callers that know in advance that all + * interesting events have already been read from the connection. For + * example, callers might use xcb_wait_for_reply and be interested + * only of events that preceded a specific reply. + */ +xcb_generic_event_t *xcb_poll_for_queued_event(xcb_connection_t *c); + /** * @brief Return the error for a request, or NULL if none can ever arrive. * @param c: The connection to the X server. @@ -285,6 +305,22 @@ xcb_generic_event_t *xcb_poll_for_event(xcb_connection_t *c); */ xcb_generic_error_t *xcb_request_check(xcb_connection_t *c, xcb_void_cookie_t cookie); +/** + * @brief Discards the reply for a request. + * @param c: The connection to the X server. + * @param sequence: The request sequence number from a cookie. + * + * Discards the reply for a request. Additionally, any error generated + * by the request is also discarded (unless it was an _unchecked request + * and the error has already arrived). + * + * This function will not block even if the reply is not yet available. + * + * Note that the sequence really does have to come from an xcb cookie; + * this function is not designed to operate on socket-handoff replies. + */ +void xcb_discard_reply(xcb_connection_t *c, unsigned int sequence); + /* xcb_ext.c */