/* Functions related to the java process instances. */
-/* Copyright (c) 2007-2017. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2007-2021. 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 "JavaContext.hpp"
#include "jmsg.hpp"
#include "jmsg_host.h"
#include "jxbt_utilities.hpp"
+#include "simgrid/Exception.hpp"
XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(java);
-extern "C" {
-
jfieldID jprocess_field_Process_bind;
jfieldID jprocess_field_Process_host;
jfieldID jprocess_field_Process_killTime;
jfieldID jprocess_field_Process_pid;
jfieldID jprocess_field_Process_ppid;
-jobject jprocess_from_native(msg_process_t process)
+jobject jprocess_from_native(const_sg_actor_t actor)
{
- simgrid::kernel::context::JavaContext* context = (simgrid::kernel::context::JavaContext*) MSG_process_get_smx_ctx(process);
- return context->jprocess;
+ const simgrid::kernel::context::JavaContext* context =
+ static_cast<simgrid::kernel::context::JavaContext*>(actor->get_impl()->context_.get());
+ return context->jprocess_;
}
jobject jprocess_ref(jobject jprocess, JNIEnv* env)
env->DeleteGlobalRef(jprocess);
}
-msg_process_t jprocess_to_native(jobject jprocess, JNIEnv* env)
+sg_actor_t jprocess_to_native(jobject jprocess, JNIEnv* env)
{
- return (msg_process_t)(intptr_t)env->GetLongField(jprocess, jprocess_field_Process_bind);
+ return (sg_actor_t)(intptr_t)env->GetLongField(jprocess, jprocess_field_Process_bind);
}
-void jprocess_bind(jobject jprocess, msg_process_t process, JNIEnv * env)
+void jprocess_bind(jobject jprocess, const_sg_actor_t actor, JNIEnv* env)
{
- env->SetLongField(jprocess, jprocess_field_Process_bind, (intptr_t)process);
+ env->SetLongField(jprocess, jprocess_field_Process_bind, (intptr_t)actor);
}
JNIEXPORT void JNICALL Java_org_simgrid_msg_Process_nativeInit(JNIEnv *env, jclass cls) {
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);
+ auto jname = (jstring)env->GetObjectField(jprocess, jprocess_field_Process_name);
+ const char* name = env->GetStringUTFChars(jname, nullptr);
+ auto actor_code = [jprocess]() { simgrid::kernel::context::java_main_jprocess(jprocess); };
+ smx_actor_t self = SIMIX_process_self();
+ sg_host_t host = jhost_get_native(env, jhost);
+ smx_actor_t actor = simgrid::kernel::actor::simcall([name, actor_code, host, self] {
+ return simgrid::kernel::actor::ActorImpl::create(std::move(name), std::move(actor_code), nullptr, host, nullptr,
+ self)
+ .get();
+ });
+ sg_actor_yield();
- /* bind the java process instance to the native process */
- jprocess_bind(jprocess, process, env);
+ env->ReleaseStringUTFChars(jname, name);
- /* Retrieve the kill time from the process */
- jdouble jkill = env->GetDoubleField(jprocess, jprocess_field_Process_killTime);
- MSG_process_set_kill_time(process, (double)jkill);
+ /* Retrieve the kill time from the actor */
+ actor->get_ciface()->set_kill_time((double)env->GetDoubleField(jprocess, jprocess_field_Process_killTime));
- /* 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));
+ /* sets the PID and the PPID of the actor */
+ env->SetIntField(jprocess, jprocess_field_Process_pid, (jint)actor->get_ciface()->get_pid());
+ env->SetIntField(jprocess, jprocess_field_Process_ppid, (jint)actor->get_ciface()->get_ppid());
}
JNIEXPORT void JNICALL Java_org_simgrid_msg_Process_daemonize(JNIEnv* env, jobject jprocess)
{
- msg_process_t process = jprocess_to_native(jprocess, env);
+ sg_actor_t actor = jprocess_to_native(jprocess, env);
- if (not process) {
+ if (not actor) {
jxbt_throw_notbound(env, "process", jprocess);
return;
}
- MSG_process_daemonize(process);
+ actor->daemonize();
}
-JNIEXPORT jint JNICALL Java_org_simgrid_msg_Process_killAll(JNIEnv * env, jclass cls, jint jresetPID)
+JNIEXPORT void JNICALL Java_org_simgrid_msg_Process_killAll(JNIEnv* env, jclass cls)
{
- return (jint) MSG_process_killall((int) jresetPID);
+ sg_actor_kill_all();
}
JNIEXPORT jobject JNICALL Java_org_simgrid_msg_Process_fromPID(JNIEnv * env, jclass cls, jint pid)
{
- msg_process_t process = MSG_process_from_PID(pid);
+ auto const* actor = sg_actor_by_PID(pid);
- if (not process) {
+ if (not actor) {
jxbt_throw_process_not_found(env, std::string("PID = ") + std::to_string(static_cast<int>(pid)));
return nullptr;
}
- jobject jprocess = jprocess_from_native(process);
+ jobject jprocess = jprocess_from_native(actor);
if (not jprocess) {
jxbt_throw_jni(env, "get process failed");
JNIEXPORT jint JNICALL Java_org_simgrid_msg_Process_nativeGetPID(JNIEnv* env, jobject jprocess)
{
- msg_process_t process = jprocess_to_native(jprocess, env);
- return MSG_process_get_PID(process);
+ const_sg_actor_t actor = jprocess_to_native(jprocess, env);
+ return sg_actor_get_PID(actor);
}
JNIEXPORT jobject JNICALL Java_org_simgrid_msg_Process_getProperty(JNIEnv *env, jobject jprocess, jobject jname) {
- msg_process_t process = jprocess_to_native(jprocess, env);
+ const_sg_actor_t actor = jprocess_to_native(jprocess, env);
- if (not process) {
+ if (not actor) {
jxbt_throw_notbound(env, "process", jprocess);
return nullptr;
}
- const char *name = env->GetStringUTFChars((jstring)jname, 0);
+ const char* name = env->GetStringUTFChars((jstring)jname, nullptr);
- const char *property = MSG_process_get_property_value(process, name);
+ const char* property = actor->get_property(name);
if (not property)
return nullptr;
JNIEXPORT jobject JNICALL Java_org_simgrid_msg_Process_getCurrentProcess(JNIEnv * env, jclass cls)
{
- jobject jprocess = jprocess_from_native(MSG_process_self());
+ jobject jprocess = jprocess_from_native(sg_actor_self());
if (not jprocess)
jxbt_throw_jni(env, xbt_strdup("SIMIX_process_get_jprocess() failed"));
JNIEXPORT void JNICALL Java_org_simgrid_msg_Process_suspend(JNIEnv * env, jobject jprocess)
{
- msg_process_t process = jprocess_to_native(jprocess, env);
+ sg_actor_t actor = jprocess_to_native(jprocess, env);
- if (not process) {
+ if (not actor) {
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");
+ /* suspend the process */
+ actor->suspend();
}
JNIEXPORT void JNICALL Java_org_simgrid_msg_Process_resume(JNIEnv * env, jobject jprocess)
{
- msg_process_t process = jprocess_to_native(jprocess, env);
+ sg_actor_t actor = jprocess_to_native(jprocess, env);
- if (not process) {
+ if (not actor) {
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");
+ /* resume the process */
+ actor->resume();
}
-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) {
+JNIEXPORT void JNICALL Java_org_simgrid_msg_Process_setAutoRestart(JNIEnv* env, jobject jprocess,
+ jboolean jauto_restart)
+{
+ sg_actor_t actor = jprocess_to_native(jprocess, env);
+ if (not actor) {
jxbt_throw_notbound(env, "process", jprocess);
return;
}
- MSG_process_auto_restart_set(process, (jauto_restart == JNI_TRUE));
+ actor->set_auto_restart(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);
+ sg_actor_t actor = jprocess_to_native(jprocess, env);
- if (not process) {
+ if (not actor) {
jxbt_throw_notbound(env, "process", jprocess);
return;
}
- MSG_process_restart(process);
+ actor->restart();
}
JNIEXPORT jboolean JNICALL Java_org_simgrid_msg_Process_isSuspended(JNIEnv * env, jobject jprocess)
{
- msg_process_t process = jprocess_to_native(jprocess, env);
+ sg_actor_t actor = jprocess_to_native(jprocess, env);
- if (not process) {
+ if (not actor) {
jxbt_throw_notbound(env, "process", jprocess);
return 0;
}
- /* true is the process is suspended, false otherwise */
- return (jboolean) MSG_process_is_suspended(process);
+ /* true is the actor is suspended, false otherwise */
+ return (jboolean)actor->is_suspended();
}
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);
+ msg_error_t rv = MSG_OK;
+ if (not simgrid::ForcefulKillException::try_n_catch([&time]() { simgrid::s4u::this_actor::sleep_for(time); })) {
+ rv = MSG_HOST_FAILURE;
+ }
if (rv != MSG_OK) {
- XBT_DEBUG("Something during the MSG_process_sleep invocation was wrong, trigger a HostFailureException");
-
- jxbt_throw_host_failure(env, "");
+ jmsg_throw_status(env, rv);
}
}
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);
+ msg_error_t rv = MSG_OK;
+ if (not simgrid::ForcefulKillException::try_n_catch(
+ [&jseconds]() { simgrid::s4u::this_actor::sleep_for((double)jseconds); })) {
+ rv = MSG_HOST_FAILURE;
+ jxbt_throw_by_name(env, "org/simgrid/msg/ProcessKilledError", "Process killed");
+ }
if (env->ExceptionOccurred())
return;
if (rv != MSG_OK) {
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) {
+ sg_actor_t actor = jprocess_to_native(jprocess, env);
+ if (not actor) {
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.");
+ if (not simgrid::ForcefulKillException::try_n_catch([&actor]() { actor->kill(); })) {
+ jxbt_throw_by_name(env, "org/simgrid/msg/ProcessKilledError", "Process killed");
}
}
JNIEXPORT void JNICALL Java_org_simgrid_msg_Process_migrate(JNIEnv * env, jobject jprocess, jobject jhost)
{
- msg_process_t process = jprocess_to_native(jprocess, env);
+ sg_actor_t actor = jprocess_to_native(jprocess, env);
- if (not process) {
+ if (not actor) {
jxbt_throw_notbound(env, "process", jprocess);
return;
}
- msg_host_t host = jhost_get_native(env, jhost);
+ sg_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 of the actor */
+ actor->set_host(host);
+
/* 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();
+ simgrid::s4u::this_actor::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);
+ jprocess_to_native(jprocess, env)->set_kill_time((double)jkilltime);
}
JNIEXPORT jint JNICALL Java_org_simgrid_msg_Process_getCount(JNIEnv * env, jclass cls) {
- return (jint) MSG_process_get_number();
-}
+ return (jint)sg_actor_count();
}
