/*****************************************************************************\ * task_none.c - Library for task pre-launch and post_termination functions * with no actions ***************************************************************************** * Copyright (C) 2005-2007 The Regents of the University of California. * Copyright (C) 2008 Lawrence Livermore National Security. * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). * Written by Morris Jette * CODE-OCEC-09-009. All rights reserved. * * This file is part of Slurm, a resource management program. * For details, see . * Please also read the included file: DISCLAIMER. * * Slurm is free software; you can redistribute it and/or modify it under * the terms of the GNU General Public License as published by the Free * Software Foundation; either version 2 of the License, or (at your option) * any later version. * * In addition, as a special exception, the copyright holders give permission * to link the code of portions of this program with the OpenSSL library under * certain conditions as described in each individual source file, and * distribute linked combinations including the two. You must obey the GNU * General Public License in all respects for all of the code used other than * OpenSSL. If you modify file(s) with this exception, you may extend this * exception to your version of the file(s), but you are not obligated to do * so. If you do not wish to do so, delete this exception statement from your * version. If you delete this exception statement from all source files in * the program, then also delete it here. * * Slurm is distributed in the hope that it will be useful, but WITHOUT ANY * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more * details. * * You should have received a copy of the GNU General Public License along * with Slurm; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. \*****************************************************************************/ #include #include #include "slurm/slurm_errno.h" #include "src/common/slurm_xlator.h" #include "src/slurmd/slurmstepd/slurmstepd_job.h" /* * These variables are required by the generic plugin interface. If they * are not found in the plugin, the plugin loader will ignore it. * * plugin_name - a string giving a human-readable description of the * plugin. There is no maximum length, but the symbol must refer to * a valid string. * * plugin_type - a string suggesting the type of the plugin or its * applicability to a particular form of data or method of data handling. * If the low-level plugin API is used, the contents of this string are * unimportant and may be anything. Slurm uses the higher-level plugin * interface which requires this string to be of the form * * / * * where is a description of the intended application of * the plugin (e.g., "task" for task control) and is a description * of how this plugin satisfies that application. Slurm will only load * a task plugin if the plugin_type string has a prefix of "task/". * * plugin_version - an unsigned 32-bit integer containing the Slurm version * (major.minor.micro combined into a single number). */ const char plugin_name[] = "task NONE plugin"; const char plugin_type[] = "task/none"; const uint32_t plugin_version = SLURM_VERSION_NUMBER; /* * init() is called when the plugin is loaded, before any other functions * are called. Put global initialization here. */ extern int init (void) { debug("%s loaded", plugin_name); return SLURM_SUCCESS; } /* * fini() is called when the plugin is removed. Clear any allocated * storage here. */ extern int fini (void) { return SLURM_SUCCESS; } /* * task_p_slurmd_batch_request() */ extern int task_p_slurmd_batch_request (batch_job_launch_msg_t *req) { debug("task_p_slurmd_batch_request: %u", req->job_id); return SLURM_SUCCESS; } /* * task_p_slurmd_launch_request() */ extern int task_p_slurmd_launch_request (launch_tasks_request_msg_t *req, uint32_t node_id) { return SLURM_SUCCESS; } /* * task_p_slurmd_suspend_job() */ extern int task_p_slurmd_suspend_job (uint32_t job_id) { debug("task_p_slurmd_suspend_job: %u", job_id); return SLURM_SUCCESS; } /* * task_p_slurmd_resume_job() */ extern int task_p_slurmd_resume_job (uint32_t job_id) { debug("task_p_slurmd_resume_job: %u", job_id); return SLURM_SUCCESS; } /* * task_p_pre_setuid() is called before setting the UID for the * user to launch his jobs. Use this to create the CPUSET directory * and set the owner appropriately. */ extern int task_p_pre_setuid (stepd_step_rec_t *job) { return SLURM_SUCCESS; } /* * task_p_pre_launch() is called prior to exec of application task. * It is followed by TaskProlog program (from slurm.conf) and * --task-prolog (from srun command line). */ extern int task_p_pre_launch (stepd_step_rec_t *job) { debug("task_p_pre_launch: %ps, task %d", &job->step_id, job->envtp->procid); return SLURM_SUCCESS; } /* * task_p_pre_launch_priv() is called prior to exec of application task. * in privileged mode, just after slurm_spank_task_init_privileged */ extern int task_p_pre_launch_priv(stepd_step_rec_t *job, pid_t pid) { debug("task_p_pre_launch_priv: %ps", &job->step_id); return SLURM_SUCCESS; } /* * task_term() is called after termination of application task. * It is preceded by --task-epilog (from srun command line) * followed by TaskEpilog program (from slurm.conf). */ extern int task_p_post_term (stepd_step_rec_t *job, stepd_step_task_info_t *task) { debug("task_p_post_term: %ps, task %d", &job->step_id, task->id); return SLURM_SUCCESS; } /* * task_p_post_step() is called after termination of the step * (all the task) */ extern int task_p_post_step (stepd_step_rec_t *job) { return SLURM_SUCCESS; } /* * Keep track a of a pid. */ extern int task_p_add_pid (pid_t pid) { return SLURM_SUCCESS; }