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/*
* Copyright (c) 2013, Oracle and/or its affiliates.
*
* 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 (including the next
* paragraph) 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 OR COPYRIGHT HOLDERS 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.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "xhiv.h"
#include "proto.h"
#include <xcb/xcbext.h>
#include <assert.h>
#include <sys/types.h>
#include <unistd.h>
#include <signal.h>
static pid_t server_pid;
static struct xcb_extension_t xcb_xhiv_id = {
.name = "XHIV",
.global_id = X_XHIV_PROTO_REQTYPE
};
static const xcb_protocol_request_t xcb_req = {
.count = 1,
.ext = &xcb_xhiv_id,
.opcode = XhivSeqStart,
.isvoid = 1
};
xcb_connection_t *
xhiv_connect(xhiv_response *responses) {
char *displayname;
xcb_connection_t *conn;
int screen;
displayname = XhivOpenServer(responses, &server_pid);
assert(displayname != NULL);
conn = xcb_connect(displayname, &screen);
assert(conn != NULL);
assert(screen == 0);
xhiv_sequence_sync(conn, 0);
return conn;
}
void
xhiv_sequence_sync(xcb_connection_t *conn, uint32_t seq) {
xXhivSeqStartReq xssreq = {
.reqType = X_XHIV_PROTO_REQTYPE,
.reqMinor = XhivSeqStart,
.length = 2,
.sequence = seq
};
struct iovec xcb_parts[4] = {
[2] = { .iov_base = &xssreq, .iov_len = sizeof(xssreq) },
[3] = { .iov_base = 0, .iov_len = 0 /* no padding needed */ }
};
xcb_send_request(conn, XCB_REQUEST_RAW, xcb_parts + 2, &xcb_req);
}
int
xhiv_disconnect(xcb_connection_t *conn, xhiv_connection_error_allowed cea) {
pid_t waitfor;
if (cea == xhiv_conn_no_error_allowed) {
assert(xcb_connection_has_error(conn) == 0);
}
xcb_disconnect(conn);
sleep(1);
kill(server_pid, SIGHUP);
waitfor = server_pid;
server_pid = -1;
return XhivWaitServer(waitfor);
}
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