1 /* 2 * Copyright (C) 2007 Michael Brown <mbrown (at) fensystems.co.uk>. 3 * 4 * This program is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU General Public License as 6 * published by the Free Software Foundation; either version 2 of the 7 * License, or any later version. 8 * 9 * This program is distributed in the hope that it will be useful, but 10 * WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, write to the Free Software 16 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 17 */ 18 19 FILE_LICENCE ( GPL2_OR_LATER ); 20 21 #include <string.h> 22 #include <errno.h> 23 #include <gpxe/job.h> 24 25 /** @file 26 * 27 * Job control interfaces 28 * 29 */ 30 31 void job_done ( struct job_interface *job, int rc ) { 32 struct job_interface *dest = job_get_dest ( job ); 33 34 job_unplug ( job ); 35 dest->op->done ( dest, rc ); 36 job_put ( dest ); 37 } 38 39 void job_kill ( struct job_interface *job ) { 40 struct job_interface *dest = job_get_dest ( job ); 41 42 job_unplug ( job ); 43 dest->op->kill ( dest ); 44 job_put ( dest ); 45 } 46 47 void job_progress ( struct job_interface *job, 48 struct job_progress *progress ) { 49 struct job_interface *dest = job_get_dest ( job ); 50 51 dest->op->progress ( dest, progress ); 52 job_put ( dest ); 53 } 54 55 /**************************************************************************** 56 * 57 * Helper methods 58 * 59 * These functions are designed to be used as methods in the 60 * job_interface_operations table. 61 * 62 */ 63 64 void ignore_job_done ( struct job_interface *job __unused, int rc __unused ) { 65 /* Nothing to do */ 66 } 67 68 void ignore_job_kill ( struct job_interface *job __unused ) { 69 /* Nothing to do */ 70 } 71 72 void ignore_job_progress ( struct job_interface *job __unused, 73 struct job_progress *progress ) { 74 memset ( progress, 0, sizeof ( *progress ) ); 75 } 76 77 /** Null job control interface operations */ 78 struct job_interface_operations null_job_ops = { 79 .done = ignore_job_done, 80 .kill = ignore_job_kill, 81 .progress = ignore_job_progress, 82 }; 83 84 /** 85 * Null job control interface 86 * 87 * This is the interface to which job control interfaces are connected 88 * when unplugged. It will never generate messages, and will silently 89 * absorb all received messages. 90 */ 91 struct job_interface null_job = { 92 .intf = { 93 .dest = &null_job.intf, 94 .refcnt = NULL, 95 }, 96 .op = &null_job_ops, 97 }; 98
