X-Git-Url: http://git.demorecorder.com/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fxcb_out.c;h=a4f52fb3117a0f1c6cc7b8b97d94d2958f45c824;hb=6b6044cb8aacdf1b637da7b5dda392f9ff41ed39;hp=fe71193213d2ea8bc7494dcb08de5dfc82bfbf6b;hpb=ee1bc1d28a1bda0526db90139edc1304d2ef3d7c;p=free-sw%2Fxcb%2Flibxcb diff --git a/src/xcb_out.c b/src/xcb_out.c index fe71193..a4f52fb 100644 --- a/src/xcb_out.c +++ b/src/xcb_out.c @@ -25,6 +25,10 @@ /* Stuff that sends stuff to the server. */ +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + #include #include #include @@ -173,7 +177,7 @@ unsigned int xcb_send_request(xcb_connection_t *c, int flags, struct iovec *vect const xcb_query_extension_reply_t *extension = xcb_get_extension_data(c, req->ext); if(!(extension && extension->present)) { - _xcb_conn_shutdown(c); + _xcb_conn_shutdown(c, XCB_CONN_CLOSED_EXT_NOTSUPPORTED); return 0; } ((uint8_t *) vector[0].iov_base)[0] = extension->major_opcode; @@ -203,7 +207,7 @@ unsigned int xcb_send_request(xcb_connection_t *c, int flags, struct iovec *vect } else if(longlen > xcb_get_maximum_request_length(c)) { - _xcb_conn_shutdown(c); + _xcb_conn_shutdown(c, XCB_CONN_CLOSED_REQ_LEN_EXCEED); return 0; /* server can't take this; maybe need BIGREQUESTS? */ } @@ -263,7 +267,13 @@ int xcb_take_socket(xcb_connection_t *c, void (*return_socket)(void *closure), v return 0; pthread_mutex_lock(&c->iolock); get_socket_back(c); - ret = _xcb_out_flush_to(c, c->out.request); + + /* _xcb_out_flush may drop the iolock allowing other threads to + * write requests, so keep flushing until we're done + */ + do + ret = _xcb_out_flush_to(c, c->out.request); + while (ret && c->out.request != c->out.request_written); if(ret) { c->out.return_socket = return_socket; @@ -343,6 +353,15 @@ int _xcb_out_send(xcb_connection_t *c, struct iovec *vector, int count) return ret; } +void _xcb_out_send_sync(xcb_connection_t *c) +{ + /* wait for other writing threads to get out of my way. */ + while(c->out.writing) + pthread_cond_wait(&c->out.cond, &c->iolock); + get_socket_back(c); + send_sync(c); +} + int _xcb_out_flush_to(xcb_connection_t *c, uint64_t request) { assert(XCB_SEQUENCE_COMPARE(request, <=, c->out.request));