X-Git-Url: http://git.demorecorder.com/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fxcb_conn.c;h=698cf51f146c32ad52b444b4c7028dd1b581f1fa;hb=67b2649dc4b6726c6d11fb0e41429ae5de82b0e8;hp=50512ee2ec4ed16fb3155e5c03c52e5d97a57ca0;hpb=e0a35783837e0d4974cfa20c6a7a073698f3b0a5;p=free-sw%2Fxcb%2Flibxcb diff --git a/src/xcb_conn.c b/src/xcb_conn.c index 50512ee..698cf51 100644 --- a/src/xcb_conn.c +++ b/src/xcb_conn.c @@ -38,8 +38,9 @@ static int write_setup(XCBConnection *c, XCBAuthInfo *auth_info) { + static const char pad[3]; XCBConnSetupReq out; - struct iovec parts[3]; + struct iovec parts[6]; int count = 0; int endian = 0x01020304; int ret; @@ -57,22 +58,27 @@ static int write_setup(XCBConnection *c, XCBAuthInfo *auth_info) out.authorization_protocol_data_len = 0; parts[count].iov_len = sizeof(XCBConnSetupReq); parts[count++].iov_base = &out; + parts[count].iov_len = XCB_PAD(sizeof(XCBConnSetupReq)); + parts[count++].iov_base = (caddr_t) pad; if(auth_info) { parts[count].iov_len = out.authorization_protocol_name_len = auth_info->namelen; parts[count++].iov_base = auth_info->name; + parts[count].iov_len = XCB_PAD(out.authorization_protocol_name_len); + parts[count++].iov_base = (caddr_t) pad; parts[count].iov_len = out.authorization_protocol_data_len = auth_info->datalen; parts[count++].iov_base = auth_info->data; + parts[count].iov_len = XCB_PAD(out.authorization_protocol_data_len); + parts[count++].iov_base = (caddr_t) pad; } + assert(count <= sizeof(parts) / sizeof(*parts)); pthread_mutex_lock(&c->iolock); _xcb_out_write_block(c, parts, count); ret = _xcb_out_flush(c); pthread_mutex_unlock(&c->iolock); - if(ret <= 0) - return 0; - return 1; + return ret; } static int read_setup(XCBConnection *c) @@ -82,7 +88,7 @@ static int read_setup(XCBConnection *c) if(!c->setup) return 0; - if(_xcb_read_block(c->fd, c->setup, sizeof(XCBConnSetupGenericRep)) != sizeof(XCBConnSetupGenericRep)) + if(_xcb_in_read_block(c, c->setup, sizeof(XCBConnSetupGenericRep)) != sizeof(XCBConnSetupGenericRep)) return 0; { @@ -92,7 +98,7 @@ static int read_setup(XCBConnection *c) c->setup = tmp; } - if(_xcb_read_block(c->fd, (char *) c->setup + sizeof(XCBConnSetupGenericRep), c->setup->length * 4) <= 0) + if(_xcb_in_read_block(c, (char *) c->setup + sizeof(XCBConnSetupGenericRep), c->setup->length * 4) <= 0) return 0; /* 0 = failed, 2 = authenticate, 1 = success */ @@ -180,11 +186,9 @@ void XCBDisconnect(XCBConnection *c) int _xcb_conn_wait(XCBConnection *c, const int should_write, pthread_cond_t *cond) { - int ret = 1; + int ret; fd_set rfds, wfds; - _xcb_assert_valid_sequence(c); - /* If the thing I should be doing is already being done, wait for it. */ if(should_write ? c->out.writing : c->in.reading) { @@ -204,21 +208,18 @@ int _xcb_conn_wait(XCBConnection *c, const int should_write, pthread_cond_t *con } pthread_mutex_unlock(&c->iolock); - ret = select(c->fd + 1, &rfds, &wfds, 0, 0); + ret = select(c->fd + 1, &rfds, &wfds, 0, 0) > 0; pthread_mutex_lock(&c->iolock); - if(ret <= 0) /* error: select failed */ - goto done; - - if(FD_ISSET(c->fd, &rfds)) - if((ret = _xcb_in_read(c)) <= 0) - goto done; + if(ret) + { + if(FD_ISSET(c->fd, &rfds)) + ret = ret && _xcb_in_read(c); - if(FD_ISSET(c->fd, &wfds)) - if((ret = _xcb_out_write(c)) <= 0) - goto done; + if(FD_ISSET(c->fd, &wfds)) + ret = ret && _xcb_out_write(c); + } -done: if(should_write) --c->out.writing; --c->in.reading;