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 "jmsg_synchro.h"
13 #include "jxbt_utilities.h"
14 #include "xbt/synchro.h"
16 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(jmsg);
18 static jfieldID jsynchro_field_Mutex_bind;
20 JNIEXPORT void JNICALL Java_org_simgrid_msg_Mutex_nativeInit(JNIEnv *env, jclass cls) {
21 jsynchro_field_Mutex_bind = jxbt_get_sfield(env, "org/simgrid/msg/Mutex", "bind", "J");
22 xbt_assert(jsynchro_field_Mutex_bind, "Native initialization of msg/Mutex failed. Please report that 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, jsynchro_field_Mutex_bind, (jlong)(uintptr_t)(mutex));
31 JNIEXPORT void JNICALL Java_org_simgrid_msg_Mutex_acquire(JNIEnv * env, jobject obj) {
32 xbt_mutex_t mutex = (xbt_mutex_t)(uintptr_t)env->GetLongField(obj, jsynchro_field_Mutex_bind);
34 xbt_mutex_acquire(mutex);
41 JNIEXPORT void JNICALL Java_org_simgrid_msg_Mutex_release(JNIEnv * env, jobject obj) {
44 mutex = (xbt_mutex_t)(uintptr_t)env->GetLongField(obj, jsynchro_field_Mutex_bind);
45 xbt_mutex_release(mutex);
48 JNIEXPORT void JNICALL Java_org_simgrid_msg_Mutex_nativeFinalize(JNIEnv * env, jobject obj) {
49 xbt_mutex_t mutex = (xbt_mutex_t)(uintptr_t)env->GetLongField(obj, jsynchro_field_Mutex_bind);
50 xbt_mutex_destroy(mutex);
53 static jfieldID jsynchro_field_Semaphore_bind;
55 JNIEXPORT void JNICALL Java_org_simgrid_msg_Semaphore_nativeInit(JNIEnv *env, jclass cls) {
56 jsynchro_field_Semaphore_bind = jxbt_get_sfield(env, "org/simgrid/msg/Semaphore", "bind", "J");
57 xbt_assert(jsynchro_field_Semaphore_bind, "Native initialization of msg/Semaphore failed. Please report that bug");
60 JNIEXPORT void JNICALL Java_org_simgrid_msg_Semaphore_init(JNIEnv * env, jobject obj, jint capacity) {
61 msg_sem_t sem = MSG_sem_init((int) capacity);
63 env->SetLongField(obj, jsynchro_field_Semaphore_bind, (jlong)(uintptr_t)(sem));
66 JNIEXPORT void JNICALL Java_org_simgrid_msg_Semaphore_acquire(JNIEnv * env, jobject obj, jdouble timeout) {
69 sem = (msg_sem_t)(uintptr_t)env->GetLongField(obj, jsynchro_field_Semaphore_bind);
70 msg_error_t res = MSG_sem_acquire_timeout(sem, (double) timeout);
72 jmsg_throw_status(env, res);
76 JNIEXPORT void JNICALL Java_org_simgrid_msg_Semaphore_release(JNIEnv * env, jobject obj) {
79 sem = (msg_sem_t)(uintptr_t)env->GetLongField(obj, jsynchro_field_Semaphore_bind);
83 JNIEXPORT jboolean JNICALL Java_org_simgrid_msg_Semaphore_wouldBlock(JNIEnv * env, jobject obj) {
86 sem = (msg_sem_t)(uintptr_t)env->GetLongField(obj, jsynchro_field_Semaphore_bind);
87 int res = MSG_sem_would_block(sem);
88 return (jboolean) res;
91 JNIEXPORT void JNICALL Java_org_simgrid_msg_Semaphore_nativeFinalize(JNIEnv * env, jobject obj) {
94 sem = (msg_sem_t)(uintptr_t)env->GetLongField(obj, jsynchro_field_Semaphore_bind);