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"
12 JNIEXPORT void JNICALL
13 Java_org_simgrid_msg_Mutex_init(JNIEnv * env, jobject obj) {
14 xbt_mutex_t mutex = xbt_mutex_init();
16 jfieldID id = jxbt_get_sfield(env, "org/simgrid/msg/Mutex", "bind", "J");
19 (*env)->SetLongField(env, obj, id, (jlong) (long) (mutex));
22 JNIEXPORT void JNICALL
23 Java_org_simgrid_msg_Mutex_acquire(JNIEnv * env, jobject obj) {
26 jfieldID id = jxbt_get_sfield(env, "org/simgrid/msg/Mutex", "bind", "J");
29 mutex = (xbt_mutex_t) (long) (*env)->GetLongField(env, obj, id);
30 xbt_mutex_acquire(mutex);
33 JNIEXPORT void JNICALL
34 Java_org_simgrid_msg_Mutex_release(JNIEnv * env, jobject obj) {
37 jfieldID id = jxbt_get_sfield(env, "org/simgrid/msg/Mutex", "bind", "J");
40 mutex = (xbt_mutex_t) (long) (*env)->GetLongField(env, obj, id);
41 xbt_mutex_release(mutex);
44 JNIEXPORT void JNICALL
45 Java_org_simgrid_msg_Mutex_exit(JNIEnv * env, jobject obj) {
48 jfieldID id = jxbt_get_sfield(env, "org/simgrid/msg/Mutex", "bind", "J");
51 mutex = (xbt_mutex_t) (long) (*env)->GetLongField(env, obj, id);
52 xbt_mutex_destroy(mutex);