libvirt/tests/qemucapsprobe.c

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/*
* Copyright (C) 2016 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include "testutils.h"
#include "internal.h"
#include "virarch.h"
#include "virthread.h"
#include "qemu/qemu_capabilities.h"
#define LIBVIRT_QEMU_CAPSPRIV_H_ALLOW
#include "qemu/qemu_capspriv.h"
#define VIR_FROM_THIS VIR_FROM_NONE
static void
eventLoop(void *opaque G_GNUC_UNUSED)
{
while (1) {
if (virEventRunDefaultImpl() < 0) {
fprintf(stderr, "Failed to run event loop: %s\n",
virGetLastErrorMessage());
}
}
}
int
main(int argc, char **argv)
{
virThread thread;
virQEMUCaps *caps;
virArch host;
virArch guest;
const char *mock = VIR_TEST_MOCK("qemucapsprobe");
if (!virFileIsExecutable(mock)) {
perror(mock);
return EXIT_FAILURE;
}
VIR_TEST_PRELOAD(mock);
virFileActivateDirOverrideForProg(argv[0]);
if (argc != 2) {
fprintf(stderr, "%s QEMU_binary\n", argv[0]);
return EXIT_FAILURE;
}
if (virInitialize() < 0) {
fprintf(stderr, "Failed to initialize libvirt");
return EXIT_FAILURE;
}
if (virEventRegisterDefaultImpl() < 0) {
fprintf(stderr, "Failed to register event implementation: %s\n",
virGetLastErrorMessage());
return EXIT_FAILURE;
}
if (virThreadCreate(&thread, false, eventLoop, NULL) < 0)
return EXIT_FAILURE;
if (!(caps = virQEMUCapsNewForBinaryInternal(VIR_ARCH_NONE, argv[1], "/tmp",
-1, -1, NULL, 0, NULL)))
return EXIT_FAILURE;
host = virArchFromHost();
guest = virQEMUCapsGetArch(caps);
if (host != guest) {
fprintf(stderr,
"WARNING: guest architecture '%s' does not match host '%s'.\n"
"WARNING: When generating capabilities for the libvirt test\n"
"WARNING: suite, it is strongly desired to generate capabilities\n"
"WARNING: on the native host to capture KVM related features.\n",
virArchToString(guest), virArchToString(host));
}
virObjectUnref(caps);
return EXIT_SUCCESS;
}