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author | Michael Brown | 2012-06-09 20:00:04 +0200 |
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committer | Michael Brown | 2012-06-09 20:00:04 +0200 |
commit | addf699c86ae18edd7de13433da78be926c22504 (patch) | |
tree | 7c43a348e84cab90ab095ef6425d800beb17e1d7 /src/hci | |
parent | [tls] Mark security negotiation as a pending operation (diff) | |
download | ipxe-addf699c86ae18edd7de13433da78be926c22504.tar.gz ipxe-addf699c86ae18edd7de13433da78be926c22504.tar.xz ipxe-addf699c86ae18edd7de13433da78be926c22504.zip |
[cmdline] Add "sync" command
Add "sync" command (loosely based on the Unix "sync"), which will wait
for any pending operations to complete.
Signed-off-by: Michael Brown <mcb30@ipxe.org>
Diffstat (limited to 'src/hci')
-rw-r--r-- | src/hci/commands/sync_cmd.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/src/hci/commands/sync_cmd.c b/src/hci/commands/sync_cmd.c new file mode 100644 index 00000000..f0845133 --- /dev/null +++ b/src/hci/commands/sync_cmd.c @@ -0,0 +1,82 @@ +/* + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +FILE_LICENCE ( GPL2_OR_LATER ); + +#include <string.h> +#include <stdio.h> +#include <getopt.h> +#include <ipxe/command.h> +#include <ipxe/parseopt.h> +#include <ipxe/timer.h> +#include <ipxe/pending.h> + +/** @file + * + * "sync" command + * + */ + +/** "sync" options */ +struct sync_options { + /** Timeout */ + unsigned int timeout; +}; + +/** "sync" option list */ +static struct option_descriptor sync_opts[] = { + OPTION_DESC ( "timeout", 't', required_argument, + struct sync_options, timeout, parse_integer ), +}; + +/** "sync" command descriptor */ +static struct command_descriptor sync_cmd = + COMMAND_DESC ( struct sync_options, sync_opts, 0, 0, + "[--timeout <timeout>]" ); + +/** + * "sync" command + * + * @v argc Argument count + * @v argv Argument list + * @ret rc Return status code + */ +static int sync_exec ( int argc, char **argv ) { + struct sync_options opts; + unsigned long timeout; + int rc; + + /* Parse options */ + if ( ( rc = parse_options ( argc, argv, &sync_cmd, &opts ) ) != 0 ) + return rc; + + /* Wait for pending operations to complete */ + timeout = ( ( opts.timeout * TICKS_PER_SEC ) / 1000 ); + if ( ( rc = pending_wait ( timeout ) ) != 0 ) { + printf ( "Operations did not complete: %s\n", strerror ( rc ) ); + return rc; + } + + return 0; +} + +/** Sync commands */ +struct command sync_command __command = { + .name = "sync", + .exec = sync_exec, +}; |