1 /* Functions exporting the simgrid synchronization mechanisms to the Java world */
3 /* Copyright (c) 2012. The SimGrid Team. All rights reserved. */
5 /* This program is free software; you can redistribute it and/or modify it
6 * under the terms of the license (GNU LGPL) which comes with this package. */
8 #include "jmsg_synchro.h"
9 #include "jxbt_utilities.h"
11 JNIEXPORT void JNICALL
12 Java_org_simgrid_msg_Mutex_init(JNIEnv * env, jobject obj) {
13 xbt_mutex_t mutex = xbt_mutex_init();
15 jfieldID id = jxbt_get_sfield(env, "org/simgrid/msg/Mutex", "bind", "J");
18 (*env)->SetLongField(env, obj, id, (jlong) (long) (mutex));
21 JNIEXPORT void JNICALL
22 Java_org_simgrid_msg_Mutex_acquire(JNIEnv * env, jobject obj) {
25 jfieldID id = jxbt_get_sfield(env, "org/simgrid/msg/Mutex", "bind", "J");
28 mutex = (xbt_mutex_t) (long) (*env)->GetLongField(env, obj, id);
29 xbt_mutex_acquire(mutex);
32 JNIEXPORT void JNICALL
33 Java_org_simgrid_msg_Mutex_release(JNIEnv * env, jobject obj) {
36 jfieldID id = jxbt_get_sfield(env, "org/simgrid/msg/Mutex", "bind", "J");
39 mutex = (xbt_mutex_t) (long) (*env)->GetLongField(env, obj, id);
40 xbt_mutex_release(mutex);
43 JNIEXPORT void JNICALL
44 Java_org_simgrid_msg_Mutex_exit(JNIEnv * env, jobject obj) {
47 jfieldID id = jxbt_get_sfield(env, "org/simgrid/msg/Mutex", "bind", "J");
50 mutex = (xbt_mutex_t) (long) (*env)->GetLongField(env, obj, id);
51 xbt_mutex_destroy(mutex);