X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/8cbf22c982842e3e988125fef8f898dec699097b..d9cad55dcc546b3936c278258e7f463ac70066df:/src/msg/msg_vm.c diff --git a/src/msg/msg_vm.c b/src/msg/msg_vm.c index bda366c65c..79c8c3263f 100644 --- a/src/msg/msg_vm.c +++ b/src/msg/msg_vm.c @@ -10,7 +10,7 @@ XBT_LOG_NEW_DEFAULT_SUBCATEGORY(msg_vm, msg, "Cloud-oriented parts of the MSG API"); -/** @brief Create a new (empty) VMs +/** @brief Create a new (empty) VMs. * @ingroup msg_VMs * * @bug it is expected that in the future, the coreAmount parameter will be used @@ -24,14 +24,14 @@ msg_vm_t MSG_vm_start(m_host_t location, int coreAmount) { res->state = msg_vm_state_running; res->location = location; res->coreAmount = coreAmount; - res->processes = xbt_dynar_new(sizeof(m_process_t),NULL); + res->processes = xbt_dynar_new(sizeof(msg_process_t),NULL); xbt_swag_insert(res,msg_global->vms); xbt_swag_insert(res,location->vms); return res; } -/** @brief Returns a newly constructed dynar containing all existing VMs in the system +/** @brief Returns a newly constructed dynar containing all existing VMs in the system. * @ingroup msg_VMs * * Don't forget to free the dynar after use. @@ -62,38 +62,37 @@ int MSG_vm_is_running(msg_vm_t vm) { * * Afterward, when the VM is migrated or suspended or whatever, the process will have the corresponding handling, too. * - * @bug for now, if a binded process terminates, every VM functions will segfault. Baaaad. */ -void MSG_vm_bind(msg_vm_t vm, m_process_t process) { - /* check if the process is already in a VM */ - simdata_process_t simdata = simcall_process_get_data(process); - if (simdata->vm) { - msg_vm_t old_vm = simdata->vm; - int pos = xbt_dynar_search(old_vm->processes,&process); - xbt_dynar_remove_at(old_vm->processes,pos, NULL); - } - /* check if the host is in the right host */ - if (simdata->m_host != vm->location) { - MSG_process_migrate(process,vm->location); - } - simdata->vm = vm; +void MSG_vm_bind(msg_vm_t vm, msg_process_t process) { + /* check if the process is already in a VM */ + simdata_process_t simdata = simcall_process_get_data(process); + if (simdata->vm) { + msg_vm_t old_vm = simdata->vm; + int pos = xbt_dynar_search(old_vm->processes,&process); + xbt_dynar_remove_at(old_vm->processes,pos, NULL); + } + /* check if the host is in the right host */ + if (simdata->m_host != vm->location) { + MSG_process_migrate(process,vm->location); + } + simdata->vm = vm; - XBT_DEBUG("binding Process %s to %p",MSG_process_get_name(process),vm); + XBT_DEBUG("binding Process %s to %p",MSG_process_get_name(process),vm); - xbt_dynar_push_as(vm->processes,m_process_t,process); + xbt_dynar_push_as(vm->processes,msg_process_t,process); } /** @brief Removes the given process from the given VM, and kill it * @ingroup msg_VMs * * Will raise a not_found exception if the process were not binded to that VM */ -void MSG_vm_unbind(msg_vm_t vm, m_process_t process) { +void MSG_vm_unbind(msg_vm_t vm, msg_process_t process) { int pos = xbt_dynar_search(vm->processes,process); xbt_dynar_remove_at(vm->processes,pos, NULL); MSG_process_kill(process); } -/** @brief Immediately change the host on which all processes are running +/** @brief Immediately change the host on which all processes are running. * @ingroup msg_VMs * * No migration cost occurs. If you want to simulate this too, you want to use a @@ -102,7 +101,7 @@ void MSG_vm_unbind(msg_vm_t vm, m_process_t process) { */ void MSG_vm_migrate(msg_vm_t vm, m_host_t destination) { unsigned int cpt; - m_process_t process; + msg_process_t process; xbt_dynar_foreach(vm->processes,cpt,process) { MSG_process_migrate(process,destination); } @@ -111,7 +110,7 @@ void MSG_vm_migrate(msg_vm_t vm, m_host_t destination) { vm->location = destination; } -/** @brief Immediately suspend the execution of all processes within the given VM +/** @brief Immediately suspend the execution of all processes within the given VM. * @ingroup msg_VMs * * No suspension cost occurs. If you want to simulate this too, you want to @@ -120,14 +119,14 @@ void MSG_vm_migrate(msg_vm_t vm, m_host_t destination) { */ void MSG_vm_suspend(msg_vm_t vm) { unsigned int cpt; - m_process_t process; + msg_process_t process; xbt_dynar_foreach(vm->processes,cpt,process) { XBT_DEBUG("suspend process %s of host %s",MSG_process_get_name(process),MSG_host_get_name(MSG_process_get_host(process))); MSG_process_suspend(process); } } -/** @brief Immediately resumes the execution of all processes within the given VM +/** @brief Immediately resumes the execution of all processes within the given VM. * @ingroup msg_VMs * * No resume cost occurs. If you want to simulate this too, you want to @@ -136,9 +135,9 @@ void MSG_vm_suspend(msg_vm_t vm) { */ void MSG_vm_resume(msg_vm_t vm) { unsigned int cpt; - m_process_t process; + msg_process_t process; xbt_dynar_foreach(vm->processes,cpt,process) { - XBT_DEBUG("resume process %s of host %s",MSG_process_get_name(process),MSG_host_get_name(MSG_process_get_host(process))); + XBT_DEBUG("resume process %s of host %s",MSG_process_get_name(process),MSG_host_get_name(MSG_process_get_host(process))); MSG_process_resume(process); } } @@ -151,11 +150,11 @@ void MSG_vm_resume(msg_vm_t vm) { */ void MSG_vm_shutdown(msg_vm_t vm) { - m_process_t process; + msg_process_t process; XBT_DEBUG("%lu processes in the VM", xbt_dynar_length(vm->processes)); while (xbt_dynar_length(vm->processes) > 0) { - process = xbt_dynar_get_as(vm->processes,0,m_process_t); - MSG_process_kill(process); + process = xbt_dynar_get_as(vm->processes,0,msg_process_t); + MSG_process_kill(process); } } @@ -163,13 +162,13 @@ void MSG_vm_shutdown(msg_vm_t vm) * @ingroup msg_VMs */ void MSG_vm_destroy(msg_vm_t vm) { - unsigned int cpt; - m_process_t process; - xbt_dynar_foreach(vm->processes,cpt,process) { - //FIXME: Slow ? - simdata_process_t simdata = simcall_process_get_data(process); - simdata->vm = NULL; - } - xbt_dynar_free(&vm->processes); - xbt_free(vm); + unsigned int cpt; + msg_process_t process; + xbt_dynar_foreach(vm->processes,cpt,process) { + //FIXME: Slow ? + simdata_process_t simdata = simcall_process_get_data(process); + simdata->vm = NULL; + } + xbt_dynar_free(&vm->processes); + xbt_free(vm); }