diff options
Diffstat (limited to 'src/VBox/Devices/PC/ipxe/src/usr/sync.c')
-rw-r--r-- | src/VBox/Devices/PC/ipxe/src/usr/sync.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/src/VBox/Devices/PC/ipxe/src/usr/sync.c b/src/VBox/Devices/PC/ipxe/src/usr/sync.c new file mode 100644 index 00000000..f599588a --- /dev/null +++ b/src/VBox/Devices/PC/ipxe/src/usr/sync.c @@ -0,0 +1,78 @@ +/* + * Copyright (C) 2012 Michael Brown <mbrown@fensystems.co.uk>. + * + * This program 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 any later version. + * + * This program 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 this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + * + * You can also choose to distribute this program under the terms of + * the Unmodified Binary Distribution Licence (as given in the file + * COPYING.UBDL), provided that you have satisfied its requirements. + */ + +FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); + +#include <stddef.h> +#include <ipxe/job.h> +#include <ipxe/monojob.h> +#include <ipxe/pending.h> +#include <usr/sync.h> + +/** @file + * + * Wait for pending operations to complete + * + */ + +/** + * Report progress + * + * @v intf Interface + * @v progress Progress report to fill in + * @ret ongoing_rc Ongoing job status code (if known) + */ +static int sync_progress ( struct interface *intf, + struct job_progress *progress __unused ) { + + /* Terminate successfully if no pending operations remain */ + if ( ! have_pending() ) + intf_close ( intf, 0 ); + + return 0; +} + +/** Synchroniser interface operations */ +static struct interface_operation sync_intf_op[] = { + INTF_OP ( job_progress, struct interface *, sync_progress ), +}; + +/** Synchroniser interface descriptor */ +static struct interface_descriptor sync_intf_desc = + INTF_DESC_PURE ( sync_intf_op ); + +/** Synchroniser */ +static struct interface sync_intf = INTF_INIT ( sync_intf_desc ); + +/** + * Wait for pending operations to complete + * + * @v timeout Timeout period, in ticks (0=indefinite) + * @ret rc Return status code + */ +int sync ( unsigned long timeout ) { + + /* Attach synchroniser and wait for completion */ + intf_plug_plug ( &monojob, &sync_intf ); + return monojob_wait ( NULL, timeout ); +} |