1 /* Java bindings of the Synchronization API. */
3 /* Copyright (c) 2012-2018. 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. */
11 #include "jmsg_synchro.h"
12 #include "jxbt_utilities.hpp"
13 #include "xbt/synchro.h"
15 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(java);
17 static jfieldID jsynchro_field_Mutex_bind;
19 JNIEXPORT void JNICALL Java_org_simgrid_msg_Mutex_nativeInit(JNIEnv *env, jclass cls) {
20 jsynchro_field_Mutex_bind = jxbt_get_sfield(env, "org/simgrid/msg/Mutex", "bind", "J");
21 xbt_assert(jsynchro_field_Mutex_bind, "Native initialization of msg/Mutex failed. Please report that bug");
24 JNIEXPORT void JNICALL Java_org_simgrid_msg_Mutex_init(JNIEnv * env, jobject obj) {
25 xbt_mutex_t mutex = xbt_mutex_init();
27 env->SetLongField(obj, jsynchro_field_Mutex_bind, (jlong)(uintptr_t)(mutex));
30 JNIEXPORT void JNICALL Java_org_simgrid_msg_Mutex_acquire(JNIEnv * env, jobject obj) {
31 xbt_mutex_t mutex = (xbt_mutex_t)(uintptr_t)env->GetLongField(obj, jsynchro_field_Mutex_bind);
33 xbt_mutex_acquire(mutex);
34 } catch (xbt_ex const& e) {
35 XBT_DEBUG("Caught an exception: %s", e.what());
39 JNIEXPORT void JNICALL Java_org_simgrid_msg_Mutex_release(JNIEnv * env, jobject obj) {
42 mutex = (xbt_mutex_t)(uintptr_t)env->GetLongField(obj, jsynchro_field_Mutex_bind);
43 xbt_mutex_release(mutex);
46 JNIEXPORT void JNICALL Java_org_simgrid_msg_Mutex_nativeFinalize(JNIEnv * env, jobject obj) {
47 xbt_mutex_t mutex = (xbt_mutex_t)(uintptr_t)env->GetLongField(obj, jsynchro_field_Mutex_bind);
48 xbt_mutex_destroy(mutex);
51 static jfieldID jsynchro_field_Semaphore_bind;
53 JNIEXPORT void JNICALL Java_org_simgrid_msg_Semaphore_nativeInit(JNIEnv *env, jclass cls) {
54 jsynchro_field_Semaphore_bind = jxbt_get_sfield(env, "org/simgrid/msg/Semaphore", "bind", "J");
55 xbt_assert(jsynchro_field_Semaphore_bind, "Native initialization of msg/Semaphore failed. Please report that bug");
58 JNIEXPORT void JNICALL Java_org_simgrid_msg_Semaphore_init(JNIEnv * env, jobject obj, jint capacity) {
59 msg_sem_t sem = MSG_sem_init((int) capacity);
61 env->SetLongField(obj, jsynchro_field_Semaphore_bind, (jlong)(uintptr_t)(sem));
64 JNIEXPORT void JNICALL Java_org_simgrid_msg_Semaphore_acquire(JNIEnv * env, jobject obj, jdouble timeout) {
67 sem = (msg_sem_t)(uintptr_t)env->GetLongField(obj, jsynchro_field_Semaphore_bind);
68 msg_error_t res = MSG_sem_acquire_timeout(sem, (double) timeout);
70 jmsg_throw_status(env, res);
74 JNIEXPORT void JNICALL Java_org_simgrid_msg_Semaphore_release(JNIEnv * env, jobject obj) {
77 sem = (msg_sem_t)(uintptr_t)env->GetLongField(obj, jsynchro_field_Semaphore_bind);
81 JNIEXPORT jboolean JNICALL Java_org_simgrid_msg_Semaphore_wouldBlock(JNIEnv * env, jobject obj) {
84 sem = (msg_sem_t)(uintptr_t)env->GetLongField(obj, jsynchro_field_Semaphore_bind);
85 int res = MSG_sem_would_block(sem);
86 return (jboolean) res;
89 JNIEXPORT void JNICALL Java_org_simgrid_msg_Semaphore_nativeFinalize(JNIEnv * env, jobject obj) {
92 sem = (msg_sem_t)(uintptr_t)env->GetLongField(obj, jsynchro_field_Semaphore_bind);