1 /* Functions exporting the simgrid synchronization mechanisms to the Java world */
3 /* Copyright (c) 2012-2015. The SimGrid Team.
4 * All rights reserved. */
6 /* This program is free software; you can redistribute it and/or modify it
7 * under the terms of the license (GNU LGPL) which comes with this package. */
12 #include "xbt/synchro_core.h"
13 #include "jmsg_synchro.h"
14 #include "jxbt_utilities.h"
16 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(jmsg);
18 static jfieldID jsyncro_field_Mutex_bind;
20 JNIEXPORT void JNICALL Java_org_simgrid_msg_Mutex_nativeInit(JNIEnv *env, jclass cls) {
21 jsyncro_field_Mutex_bind = jxbt_get_sfield(env, "org/simgrid/msg/Mutex", "bind", "J");
22 if (!jsyncro_field_Mutex_bind) {
23 jxbt_throw_native(env,bprintf("Can't find some fields in Java class. You should report this bug."));
27 JNIEXPORT void JNICALL Java_org_simgrid_msg_Mutex_init(JNIEnv * env, jobject obj) {
28 xbt_mutex_t mutex = xbt_mutex_init();
30 env->SetLongField(obj, jsyncro_field_Mutex_bind, (jlong) (uintptr_t) (mutex));
33 JNIEXPORT void JNICALL Java_org_simgrid_msg_Mutex_acquire(JNIEnv * env, jobject obj) {
34 xbt_mutex_t mutex = (xbt_mutex_t) (uintptr_t) env->GetLongField(obj, jsyncro_field_Mutex_bind);
36 xbt_mutex_acquire(mutex);
43 JNIEXPORT void JNICALL Java_org_simgrid_msg_Mutex_release(JNIEnv * env, jobject obj) {
46 mutex = (xbt_mutex_t) (uintptr_t) env->GetLongField(obj, jsyncro_field_Mutex_bind);
47 xbt_mutex_release(mutex);
50 JNIEXPORT void JNICALL Java_org_simgrid_msg_Mutex_nativeFinalize(JNIEnv * env, jobject obj) {
53 mutex = (xbt_mutex_t) (uintptr_t) env->GetLongField(obj, jsyncro_field_Mutex_bind);
54 xbt_mutex_destroy(mutex);
57 static jfieldID jsyncro_field_Semaphore_bind;
59 JNIEXPORT void JNICALL Java_org_simgrid_msg_Semaphore_nativeInit(JNIEnv *env, jclass cls) {
60 jsyncro_field_Semaphore_bind = jxbt_get_sfield(env, "org/simgrid/msg/Semaphore", "bind", "J");
61 if (!jsyncro_field_Semaphore_bind) {
62 jxbt_throw_native(env,bprintf("Can't find some fields in Semaphore Java class. You should report this bug."));
66 JNIEXPORT void JNICALL Java_org_simgrid_msg_Semaphore_init(JNIEnv * env, jobject obj, jint capacity) {
67 msg_sem_t sem = MSG_sem_init((int) capacity);
69 env->SetLongField(obj, jsyncro_field_Semaphore_bind, (jlong) (uintptr_t) (sem));
72 JNIEXPORT void JNICALL Java_org_simgrid_msg_Semaphore_acquire(JNIEnv * env, jobject obj, jdouble timeout) {
75 sem = (msg_sem_t) (uintptr_t) env->GetLongField(obj, jsyncro_field_Semaphore_bind);
76 msg_error_t res = MSG_sem_acquire_timeout(sem, (double) timeout);
78 jmsg_throw_status(env, res);
82 JNIEXPORT void JNICALL Java_org_simgrid_msg_Semaphore_release(JNIEnv * env, jobject obj) {
85 sem = (msg_sem_t) (uintptr_t) env->GetLongField(obj, jsyncro_field_Semaphore_bind);
89 JNIEXPORT jboolean JNICALL Java_org_simgrid_msg_Semaphore_wouldBlock(JNIEnv * env, jobject obj) {
92 sem = (msg_sem_t) (uintptr_t) env->GetLongField(obj, jsyncro_field_Semaphore_bind);
93 int res = MSG_sem_would_block(sem);
94 return (jboolean) res;
97 JNIEXPORT void JNICALL Java_org_simgrid_msg_Semaphore_nativeFinalize(JNIEnv * env, jobject obj) {
100 sem = (msg_sem_t) (uintptr_t) env->GetLongField(obj, jsyncro_field_Semaphore_bind);
101 MSG_sem_destroy(sem);