qtest: fix qtest for vhost-user

Fix compile for older glib, provide conditionally compiled versions of the
used glib APIs.

Signed-off-by: Nikolay Nikolaev <n.nikolaev@virtualopensystems.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Nikolay Nikolaev 2014-06-19 18:07:59 +03:00 committed by Michael S. Tsirkin
parent 1dc75c6d74
commit bd95939fc8

View File

@ -8,17 +8,30 @@
*
*/
#define QEMU_GLIB_COMPAT_H
#include <glib.h>
#include "libqtest.h"
#include "qemu/option.h"
#include "sysemu/char.h"
#include "sysemu/sysemu.h"
#include <glib.h>
#include <linux/vhost.h>
#include <sys/mman.h>
#include <sys/vfs.h>
#include <qemu/sockets.h>
/* GLIB version compatibility flags */
#if GLIB_CHECK_VERSION(2, 28, 0)
#define HAVE_MONOTONIC_TIME
#endif
#if GLIB_CHECK_VERSION(2, 32, 0)
#define HAVE_MUTEX_INIT
#define HAVE_COND_INIT
#define HAVE_THREAD_NEW
#endif
#define QEMU_CMD_ACCEL " -machine accel=tcg"
#define QEMU_CMD_MEM " -m 512 -object memory-backend-file,id=mem,size=512M,"\
"mem-path=%s,share=on -numa node,memdev=mem"
@ -95,8 +108,93 @@ static VhostUserMsg m __attribute__ ((unused));
int fds_num = 0, fds[VHOST_MEMORY_MAX_NREGIONS];
static VhostUserMemory memory;
static GMutex data_mutex;
static GCond data_cond;
static GMutex *data_mutex;
static GCond *data_cond;
static gint64 _get_time(void)
{
#ifdef HAVE_MONOTONIC_TIME
return g_get_monotonic_time();
#else
GTimeVal time;
g_get_current_time(&time);
return time.tv_sec * G_TIME_SPAN_SECOND + time.tv_usec;
#endif
}
static GMutex *_mutex_new(void)
{
GMutex *mutex;
#ifdef HAVE_MUTEX_INIT
mutex = g_new(GMutex, 1);
g_mutex_init(mutex);
#else
mutex = g_mutex_new();
#endif
return mutex;
}
static void _mutex_free(GMutex *mutex)
{
#ifdef HAVE_MUTEX_INIT
g_mutex_clear(mutex);
g_free(mutex);
#else
g_mutex_free(mutex);
#endif
}
static GCond *_cond_new(void)
{
GCond *cond;
#ifdef HAVE_COND_INIT
cond = g_new(GCond, 1);
g_cond_init(cond);
#else
cond = g_cond_new();
#endif
return cond;
}
static gboolean _cond_wait_until(GCond *cond, GMutex *mutex, gint64 end_time)
{
gboolean ret = FALSE;
#ifdef HAVE_COND_INIT
ret = g_cond_wait_until(cond, mutex, end_time);
#else
GTimeVal time = { end_time / G_TIME_SPAN_SECOND,
end_time % G_TIME_SPAN_SECOND };
ret = g_cond_timed_wait(cond, mutex, &time);
#endif
return ret;
}
static void _cond_free(GCond *cond)
{
#ifdef HAVE_COND_INIT
g_cond_clear(cond);
g_free(cond);
#else
g_cond_free(cond);
#endif
}
static GThread *_thread_new(const gchar *name, GThreadFunc func, gpointer data)
{
GThread *thread = NULL;
GError *error = NULL;
#ifdef HAVE_THREAD_NEW
thread = g_thread_try_new(name, func, data, &error);
#else
thread = g_thread_create(func, data, TRUE, &error);
#endif
return thread;
}
static void read_guest_mem(void)
{
@ -104,11 +202,11 @@ static void read_guest_mem(void)
gint64 end_time;
int i, j;
g_mutex_lock(&data_mutex);
g_mutex_lock(data_mutex);
end_time = g_get_monotonic_time() + 5 * G_TIME_SPAN_SECOND;
end_time = _get_time() + 5 * G_TIME_SPAN_SECOND;
while (!fds_num) {
if (!g_cond_wait_until(&data_cond, &data_mutex, end_time)) {
if (!_cond_wait_until(data_cond, data_mutex, end_time)) {
/* timeout has passed */
g_assert(fds_num);
break;
@ -143,7 +241,7 @@ static void read_guest_mem(void)
}
g_assert_cmpint(1, ==, 1);
g_mutex_unlock(&data_mutex);
g_mutex_unlock(data_mutex);
}
static void *thread_function(void *data)
@ -203,8 +301,8 @@ static void chr_read(void *opaque, const uint8_t *buf, int size)
fds_num = qemu_chr_fe_get_msgfds(chr, fds, sizeof(fds) / sizeof(int));
/* signal the test that it can continue */
g_cond_signal(&data_cond);
g_mutex_unlock(&data_mutex);
g_cond_signal(data_cond);
g_mutex_unlock(data_mutex);
break;
case VHOST_USER_SET_VRING_KICK:
@ -285,10 +383,10 @@ int main(int argc, char **argv)
qemu_chr_add_handlers(chr, chr_can_read, chr_read, NULL, chr);
/* run the main loop thread so the chardev may operate */
g_mutex_init(&data_mutex);
g_cond_init(&data_cond);
g_mutex_lock(&data_mutex);
g_thread_new(NULL, thread_function, NULL);
data_mutex = _mutex_new();
data_cond = _cond_new();
g_mutex_lock(data_mutex);
_thread_new(NULL, thread_function, NULL);
qemu_cmd = g_strdup_printf(QEMU_CMD, hugefs, socket_path);
s = qtest_start(qemu_cmd);
@ -305,8 +403,8 @@ int main(int argc, char **argv)
/* cleanup */
unlink(socket_path);
g_free(socket_path);
g_cond_clear(&data_cond);
g_mutex_clear(&data_mutex);
_cond_free(data_cond);
_mutex_free(data_mutex);
return ret;
}