diff options
Diffstat (limited to 'libjava/jni/gtk-peer/gthread-jni.c')
| -rw-r--r-- | libjava/jni/gtk-peer/gthread-jni.c | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/libjava/jni/gtk-peer/gthread-jni.c b/libjava/jni/gtk-peer/gthread-jni.c new file mode 100644 index 0000000..9409720 --- /dev/null +++ b/libjava/jni/gtk-peer/gthread-jni.c @@ -0,0 +1,169 @@ +/* gthread-jni.c -- JNI threading routines for GLIB + Copyright (C) 1998 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath 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 +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA +02111-1307 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +#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 () +{ +} |