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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 <X11/Xlibint.h>
#include <assert.h>
#include <sys/types.h>
#include <stdio.h>
#include <errno.h>
static pid_t server_pid;
static int
XhivIOError(Display *dpy) {
fprintf(stderr, "XIO: fatal IO error %d (%s) on X server \"%s\"\r\n",
errno, strerror (errno), DisplayString (dpy));
fprintf (stderr,
" after %lu requests (%lu known processed) with %d events remaining.\r\n",
NextRequest(dpy) - 1, LastKnownRequestProcessed(dpy),
QLength(dpy));
abort();
}
Display *
XhivOpenDisplay(xhiv_response *responses) {
char *dpyname;
Display *dpy;
XSetIOErrorHandler(XhivIOError);
dpyname = XhivOpenServer(responses, &server_pid);
assert(dpyname != NULL);
dpy = XOpenDisplay(dpyname);
assert(dpy != NULL);
XhivSequenceSync(dpy, 0);
return dpy;
}
void
XhivSequenceSync(Display *dpy, uint32_t sequence) {
xResourceReq *xssreq;
LockDisplay(dpy);
GetResReq(XHIV_PROTO_REQTYPE, sequence, xssreq);
((xXhivSeqStartReq *)xssreq)->reqMinor = XhivSeqStart;
UnlockDisplay(dpy);
SyncHandle();
}
int
XhivCloseDisplay(Display *dpy) {
int ret;
pid_t waitfor;
ret = XCloseDisplay(dpy);
assert(ret == Success);
waitfor = server_pid;
server_pid = -1;
return XhivWaitServer(waitfor);
}
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