+++ /dev/null
-/* Functions related to the java process instances. */
-
-/* Copyright (c) 2007-2017. The SimGrid Team. All rights reserved. */
-
-/* This program is free software; you can redistribute it and/or modify it
- * under the terms of the license (GNU LGPL) which comes with this package. */
-
-#include <xbt/ex.hpp>
-
-#include "jmsg_process.h"
-
-#include "jmsg.hpp"
-#include "jmsg_host.h"
-#include "jxbt_utilities.hpp"
-#include "JavaContext.hpp"
-
-XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(java);
-
-SG_BEGIN_DECL()
-
-jfieldID jprocess_field_Process_bind;
-jfieldID jprocess_field_Process_host;
-jfieldID jprocess_field_Process_killTime;
-jfieldID jprocess_field_Process_name;
-jfieldID jprocess_field_Process_pid;
-jfieldID jprocess_field_Process_ppid;
-
-jobject jprocess_from_native(msg_process_t process)
-{
- simgrid::kernel::context::JavaContext* context = (simgrid::kernel::context::JavaContext*) MSG_process_get_smx_ctx(process);
- return context->jprocess;
-}
-
-jobject jprocess_ref(jobject jprocess, JNIEnv* env)
-{
- return env->NewGlobalRef(jprocess);
-}
-
-void jprocess_unref(jobject jprocess, JNIEnv* env)
-{
- env->DeleteGlobalRef(jprocess);
-}
-
-msg_process_t jprocess_to_native(jobject jprocess, JNIEnv* env)
-{
- return (msg_process_t)(intptr_t)env->GetLongField(jprocess, jprocess_field_Process_bind);
-}
-
-void jprocess_bind(jobject jprocess, msg_process_t process, JNIEnv * env)
-{
- env->SetLongField(jprocess, jprocess_field_Process_bind, (intptr_t)process);
-}
-
-JNIEXPORT void JNICALL Java_org_simgrid_msg_Process_nativeInit(JNIEnv *env, jclass cls) {
- jclass jprocess_class_Process = env->FindClass("org/simgrid/msg/Process");
- xbt_assert(jprocess_class_Process, "Native initialization of msg/Process failed. Please report that bug");
-
- jprocess_field_Process_name = jxbt_get_jfield(env, jprocess_class_Process, "name", "Ljava/lang/String;");
- jprocess_field_Process_bind = jxbt_get_jfield(env, jprocess_class_Process, "bind", "J");
- jprocess_field_Process_pid = jxbt_get_jfield(env, jprocess_class_Process, "pid", "I");
- jprocess_field_Process_ppid = jxbt_get_jfield(env, jprocess_class_Process, "ppid", "I");
- jprocess_field_Process_host = jxbt_get_jfield(env, jprocess_class_Process, "host", "Lorg/simgrid/msg/Host;");
- jprocess_field_Process_killTime = jxbt_get_jfield(env, jprocess_class_Process, "killTime", "D");
- xbt_assert(jprocess_field_Process_name && jprocess_field_Process_pid && jprocess_field_Process_ppid &&
- jprocess_field_Process_host,
- "Native initialization of msg/Process failed. Please report that bug");
-}
-
-JNIEXPORT void JNICALL Java_org_simgrid_msg_Process_create(JNIEnv* env, jobject jprocess_arg, jobject jhost)
-{
- /* create a global java process instance */
- jobject jprocess = jprocess_ref(jprocess_arg, env);
-
- /* Actually build the MSG process */
- jstring jname = (jstring)env->GetObjectField(jprocess, jprocess_field_Process_name);
- const char* name = env->GetStringUTFChars(jname, 0);
- msg_process_t process =
- MSG_process_create_from_stdfunc(name, [jprocess]() { simgrid::kernel::context::java_main_jprocess(jprocess); },
- /*data*/ nullptr, jhost_get_native(env, jhost), /* properties*/ nullptr);
- env->ReleaseStringUTFChars(jname, name);
-
- /* bind the java process instance to the native process */
- jprocess_bind(jprocess, process, env);
-
- /* Retrieve the kill time from the process */
- jdouble jkill = env->GetDoubleField(jprocess, jprocess_field_Process_killTime);
- MSG_process_set_kill_time(process, (double)jkill);
-
- /* sets the PID and the PPID of the process */
- env->SetIntField(jprocess, jprocess_field_Process_pid,(jint) MSG_process_get_PID(process));
- env->SetIntField(jprocess, jprocess_field_Process_ppid, (jint) MSG_process_get_PPID(process));
-}
-
-JNIEXPORT jint JNICALL Java_org_simgrid_msg_Process_killAll(JNIEnv * env, jclass cls, jint jresetPID)
-{
- return (jint) MSG_process_killall((int) jresetPID);
-}
-
-JNIEXPORT jobject JNICALL Java_org_simgrid_msg_Process_fromPID(JNIEnv * env, jclass cls, jint pid)
-{
- msg_process_t process = MSG_process_from_PID(pid);
-
- if (not process) {
- jxbt_throw_process_not_found(env, std::string("PID = ") + std::to_string(static_cast<int>(pid)));
- return nullptr;
- }
-
- jobject jprocess = jprocess_from_native(process);
-
- if (not jprocess) {
- jxbt_throw_jni(env, "get process failed");
- return nullptr;
- }
-
- return jprocess;
-}
-
-JNIEXPORT jobject JNICALL Java_org_simgrid_msg_Process_getProperty(JNIEnv *env, jobject jprocess, jobject jname) {
- msg_process_t process = jprocess_to_native(jprocess, env);
-
- if (not process) {
- jxbt_throw_notbound(env, "process", jprocess);
- return nullptr;
- }
- const char *name = env->GetStringUTFChars((jstring)jname, 0);
-
- const char *property = MSG_process_get_property_value(process, name);
- if (not property)
- return nullptr;
-
- jobject jproperty = env->NewStringUTF(property);
-
- env->ReleaseStringUTFChars((jstring)jname, name);
-
- return jproperty;
-}
-
-JNIEXPORT jobject JNICALL Java_org_simgrid_msg_Process_getCurrentProcess(JNIEnv * env, jclass cls)
-{
- jobject jprocess = jprocess_from_native(MSG_process_self());
- if (not jprocess)
- jxbt_throw_jni(env, xbt_strdup("SIMIX_process_get_jprocess() failed"));
-
- return jprocess;
-}
-
-JNIEXPORT void JNICALL Java_org_simgrid_msg_Process_suspend(JNIEnv * env, jobject jprocess)
-{
- msg_process_t process = jprocess_to_native(jprocess, env);
-
- if (not process) {
- jxbt_throw_notbound(env, "process", jprocess);
- return;
- }
-
- /* try to suspend the process */
- msg_error_t rv = MSG_process_suspend(process);
-
- jxbt_check_res("MSG_process_suspend()", rv, MSG_OK, "unexpected error , please report this bug");
-}
-
-JNIEXPORT void JNICALL Java_org_simgrid_msg_Process_resume(JNIEnv * env, jobject jprocess)
-{
- msg_process_t process = jprocess_to_native(jprocess, env);
-
- if (not process) {
- jxbt_throw_notbound(env, "process", jprocess);
- return;
- }
-
- /* try to resume the process */
- msg_error_t res = MSG_process_resume(process);
- jxbt_check_res("MSG_process_resume()", res, MSG_OK, "unexpected error , please report this bug");
-}
-
-JNIEXPORT void
-JNICALL Java_org_simgrid_msg_Process_setAutoRestart (JNIEnv *env, jobject jprocess, jboolean jauto_restart) {
-
- msg_process_t process = jprocess_to_native(jprocess, env);
- if (not process) {
- jxbt_throw_notbound(env, "process", jprocess);
- return;
- }
-
- MSG_process_auto_restart_set(process, (jauto_restart == JNI_TRUE));
-}
-
-JNIEXPORT void JNICALL Java_org_simgrid_msg_Process_restart (JNIEnv *env, jobject jprocess) {
- msg_process_t process = jprocess_to_native(jprocess, env);
-
- if (not process) {
- jxbt_throw_notbound(env, "process", jprocess);
- return;
- }
-
- MSG_process_restart(process);
-}
-
-JNIEXPORT jboolean JNICALL Java_org_simgrid_msg_Process_isSuspended(JNIEnv * env, jobject jprocess)
-{
- msg_process_t process = jprocess_to_native(jprocess, env);
-
- if (not process) {
- jxbt_throw_notbound(env, "process", jprocess);
- return 0;
- }
-
- /* true is the process is suspended, false otherwise */
- return (jboolean) MSG_process_is_suspended(process);
-}
-
-JNIEXPORT void JNICALL Java_org_simgrid_msg_Process_sleep(JNIEnv *env, jclass cls, jlong jmillis, jint jnanos)
- {
- double time = ((double)jmillis) / 1000 + ((double)jnanos) / 1000000000;
- msg_error_t rv;
- rv = MSG_process_sleep(time);
- if (rv != MSG_OK) {
- XBT_DEBUG("Something during the MSG_process_sleep invocation was wrong, trigger a HostFailureException");
-
- jxbt_throw_host_failure(env, "");
- }
-}
-
-JNIEXPORT void JNICALL Java_org_simgrid_msg_Process_waitFor(JNIEnv * env, jobject jprocess, jdouble jseconds)
-{
- msg_error_t rv;
- rv = MSG_process_sleep((double)jseconds);
- if (env->ExceptionOccurred())
- return;
- if (rv != MSG_OK) {
- XBT_DEBUG("Status NOK");
- jmsg_throw_status(env,rv);
- }
-}
-
-JNIEXPORT void JNICALL Java_org_simgrid_msg_Process_kill(JNIEnv * env, jobject jprocess)
-{
- /* get the native instances from the java ones */
- msg_process_t process = jprocess_to_native(jprocess, env);
- if (not process) {
- jxbt_throw_notbound(env, "process", jprocess);
- return;
- }
- try {
- MSG_process_kill(process);
- } catch (xbt_ex& ex) {
- XBT_VERB("Process %s just committed a suicide", MSG_process_get_name(process));
- xbt_assert(process == MSG_process_self(),
- "Killing a process should not raise an exception if it's not a suicide. Please report that bug.");
- }
-}
-
-JNIEXPORT void JNICALL Java_org_simgrid_msg_Process_migrate(JNIEnv * env, jobject jprocess, jobject jhost)
-{
- msg_process_t process = jprocess_to_native(jprocess, env);
-
- if (not process) {
- jxbt_throw_notbound(env, "process", jprocess);
- return;
- }
-
- msg_host_t host = jhost_get_native(env, jhost);
-
- if (not host) {
- jxbt_throw_notbound(env, "host", jhost);
- return;
- }
-
- /* try to change the host of the process */
- msg_error_t rv = MSG_process_migrate(process, host);
- if (rv != MSG_OK) {
- jmsg_throw_status(env,rv);
- return;
- }
- /* change the host java side */
- env->SetObjectField(jprocess, jprocess_field_Process_host, jhost);
-}
-
-JNIEXPORT void JNICALL Java_org_simgrid_msg_Process_yield(JNIEnv* env, jclass cls)
-{
- MSG_process_yield();
-}
-
-JNIEXPORT void JNICALL Java_org_simgrid_msg_Process_setKillTime (JNIEnv *env , jobject jprocess, jdouble jkilltime) {
- msg_process_t process = jprocess_to_native(jprocess, env);
- MSG_process_set_kill_time(process, (double)jkilltime);
-}
-
-JNIEXPORT jint JNICALL Java_org_simgrid_msg_Process_getCount(JNIEnv * env, jclass cls) {
- return (jint) MSG_process_get_number();
-}
-
-SG_END_DECL()
