X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/7bc340a73928fe73a57a9664aeba0cf5a92b654c..39c935d6d5ee86d153f6f7e6a10d723ae7c57f6f:/src/bindings/java/jmsg_process.cpp diff --git a/src/bindings/java/jmsg_process.cpp b/src/bindings/java/jmsg_process.cpp index 05ba285b57..3f88eac464 100644 --- a/src/bindings/java/jmsg_process.cpp +++ b/src/bindings/java/jmsg_process.cpp @@ -1,23 +1,20 @@ /* 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 - #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; @@ -25,10 +22,11 @@ jfieldID jprocess_field_Process_name; 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(actor->get_impl()->context_.get()); + return context->jprocess_; } jobject jprocess_ref(jobject jprocess, JNIEnv* env) @@ -41,14 +39,14 @@ void jprocess_unref(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) { @@ -72,52 +70,55 @@ JNIEXPORT void JNICALL Java_org_simgrid_msg_Process_create(JNIEnv* env, jobject 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(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"); @@ -129,20 +130,20 @@ JNIEXPORT jobject JNICALL Java_org_simgrid_msg_Process_fromPID(JNIEnv * env, jcl 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; @@ -155,7 +156,7 @@ JNIEXPORT jobject JNICALL Java_org_simgrid_msg_Process_getProperty(JNIEnv *env, 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")); @@ -164,85 +165,86 @@ JNIEXPORT jobject JNICALL Java_org_simgrid_msg_Process_getCurrentProcess(JNIEnv 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) { @@ -254,57 +256,48 @@ JNIEXPORT void JNICALL Java_org_simgrid_msg_Process_waitFor(JNIEnv * env, jobjec 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(); }