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/* gthread-jni.c -- JNI threading routines for GLIB
Copyright (C) 1998 Free Software Foundation, Inc.
This file is part of the peer AWT libraries of GNU Classpath.
This library is free software; you can redistribute it and/or modify
it under the terms of the GNU Library General Public License as published
by the Free Software Foundation, either version 2 of the License, or
(at your option) any later verion.
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 Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; if not, write to the Free Software Foundation
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307 USA. */
#include "gthread-jni.h"
/*
* This code has been written specifically to be used with GTK+ 1.2.
* `Real' GLIB threading is not supported. We fake things where necessary.
* Once we know we're running on a 1.2 VM, we can write a real implementation.
*/
static GMutex *
g_mutex_new_jni_impl (void)
{
jclass obj_class;
jobject *mutex;
obj_class = (*gdk_env)->FindClass (gdk_env, "java/lang/Object");
if (obj_class == NULL)
return NULL;
mutex = (jobject *) g_malloc (sizeof (jobject));
*mutex = (*gdk_env)->AllocObject (gdk_env, obj_class);
if (*mutex == NULL)
{
g_free (mutex);
return NULL;
}
*mutex = (*gdk_env)->NewGlobalRef (gdk_env, *mutex);
return (GMutex *) mutex;
}
static void
g_mutex_lock_jni_impl (GMutex *mutex)
{
if (mutex && mutex == gdk_threads_mutex)
(*gdk_env)->MonitorEnter (gdk_env, *((jobject *)mutex));
}
static gboolean
g_mutex_trylock_jni_impl (GMutex *mutex)
{
return FALSE;
}
static void
g_mutex_unlock_jni_impl (GMutex *mutex)
{
if (mutex && mutex == gdk_threads_mutex)
(*gdk_env)->MonitorExit (gdk_env, *((jobject *)mutex));
}
static void
g_mutex_free_jni_impl (GMutex *mutex)
{
if (mutex && mutex == gdk_threads_mutex)
{
(*gdk_env)->DeleteGlobalRef (gdk_env, *((jobject *)mutex));
g_free (mutex);
}
}
static GPrivate *
g_private_new_jni_impl (GDestroyNotify notify)
{
return NULL;
}
static gpointer
g_private_get_jni_impl (GPrivate *private)
{
return NULL;
}
static void
g_private_set_jni_impl (GPrivate *private, gpointer data)
{
}
static GCond *
g_cond_new_jni_impl ()
{
return NULL;
}
static void
g_cond_signal_jni_impl (GCond *cond)
{
}
static void
g_cond_broadcast_jni_impl (GCond *cond)
{
}
static void
g_cond_wait_jni_impl (GCond *cond, GMutex *mutex)
{
}
static gboolean
g_cond_timed_wait_jni_impl (GCond *cond, GMutex *mutex)
{
return FALSE;
}
static void
g_cond_free_jni_impl (GCond *cond)
{
}
GThreadFunctions g_thread_jni_functions =
{
g_mutex_new_jni_impl, /* mutex_new */
g_mutex_lock_jni_impl, /* mutex_lock */
g_mutex_trylock_jni_impl, /* mutex_try_lock */
g_mutex_unlock_jni_impl, /* mutex_unlock */
g_mutex_free_jni_impl, /* mutex_free */
g_cond_new_jni_impl, /* cond_new */
g_cond_signal_jni_impl, /* cond_signal */
g_cond_broadcast_jni_impl, /* cond_broadcast */
g_cond_wait_jni_impl, /* cond_wait */
g_cond_timed_wait_jni_impl, /* cond_timed_wait */
g_cond_free_jni_impl, /* cond_free */
g_private_new_jni_impl, /* private_new */
g_private_get_jni_impl, /* private_get */
g_private_set_jni_impl /* private_set */
};
void
gdk_threads_wake ()
{
}
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