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. */
10 #include "xbt/synchro_core.h"
11 #include "jmsg_synchro.h"
12 #include "jxbt_utilities.h"
14 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(jmsg);
16 static jfieldID jsyncro_field_Mutex_bind;
18 JNIEXPORT void JNICALL Java_org_simgrid_msg_Mutex_nativeInit(JNIEnv *env, jclass cls) {
19 jsyncro_field_Mutex_bind = jxbt_get_sfield(env, "org/simgrid/msg/Mutex", "bind", "J");
20 if (!jsyncro_field_Mutex_bind) {
21 jxbt_throw_native(env,bprintf("Can't find some fields in Java class. You should report this bug."));
25 JNIEXPORT void JNICALL Java_org_simgrid_msg_Mutex_init(JNIEnv * env, jobject obj) {
26 xbt_mutex_t mutex = xbt_mutex_init();
28 env->SetLongField(obj, jsyncro_field_Mutex_bind, (jlong) (uintptr_t) (mutex));
31 JNIEXPORT void JNICALL Java_org_simgrid_msg_Mutex_acquire(JNIEnv * env, jobject obj) {
34 mutex = (xbt_mutex_t) (uintptr_t) env->GetLongField(obj, jsyncro_field_Mutex_bind);
37 xbt_mutex_acquire(mutex);
44 JNIEXPORT void JNICALL Java_org_simgrid_msg_Mutex_release(JNIEnv * env, jobject obj) {
47 mutex = (xbt_mutex_t) (uintptr_t) env->GetLongField(obj, jsyncro_field_Mutex_bind);
48 xbt_mutex_release(mutex);
51 JNIEXPORT void JNICALL Java_org_simgrid_msg_Mutex_nativeFinalize(JNIEnv * env, jobject obj) {
54 mutex = (xbt_mutex_t) (uintptr_t) env->GetLongField(obj, jsyncro_field_Mutex_bind);
55 xbt_mutex_destroy(mutex);
58 static jfieldID jsyncro_field_Semaphore_bind;
60 JNIEXPORT void JNICALL Java_org_simgrid_msg_Semaphore_nativeInit(JNIEnv *env, jclass cls) {
61 jsyncro_field_Semaphore_bind = jxbt_get_sfield(env, "org/simgrid/msg/Semaphore", "bind", "J");
62 if (!jsyncro_field_Semaphore_bind) {
63 jxbt_throw_native(env,bprintf("Can't find some fields in Semaphore Java class. You should report this bug."));
67 JNIEXPORT void JNICALL Java_org_simgrid_msg_Semaphore_init(JNIEnv * env, jobject obj, jint capacity) {
68 msg_sem_t sem = MSG_sem_init((int) capacity);
70 env->SetLongField(obj, jsyncro_field_Semaphore_bind, (jlong) (uintptr_t) (sem));
73 JNIEXPORT void JNICALL Java_org_simgrid_msg_Semaphore_acquire(JNIEnv * env, jobject obj, jdouble timeout) {
76 sem = (msg_sem_t) (uintptr_t) env->GetLongField(obj, jsyncro_field_Semaphore_bind);
77 msg_error_t res = MSG_sem_acquire_timeout(sem, (double) timeout);
79 jmsg_throw_status(env, res);
83 JNIEXPORT void JNICALL Java_org_simgrid_msg_Semaphore_release(JNIEnv * env, jobject obj) {
86 sem = (msg_sem_t) (uintptr_t) env->GetLongField(obj, jsyncro_field_Semaphore_bind);
90 JNIEXPORT jboolean JNICALL Java_org_simgrid_msg_Semaphore_wouldBlock(JNIEnv * env, jobject obj) {
93 sem = (msg_sem_t) (uintptr_t) env->GetLongField(obj, jsyncro_field_Semaphore_bind);
94 int res = MSG_sem_would_block(sem);
95 return (jboolean) res;
98 JNIEXPORT void JNICALL Java_org_simgrid_msg_Semaphore_nativeFinalize(JNIEnv * env, jobject obj) {
101 sem = (msg_sem_t) (uintptr_t) env->GetLongField(obj, jsyncro_field_Semaphore_bind);
102 MSG_sem_destroy(sem);