[process] Include process name in debug messages
[ipxe.git] / src / core / log.c
1 /*
2 * Copyright (C) 2012 Michael Brown <mbrown@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., 51 Franklin Street, Fifth Floor, Boston, MA
17 * 02110-1301, USA.
18 *
19 * You can also choose to distribute this program under the terms of
20 * the Unmodified Binary Distribution Licence (as given in the file
21 * COPYING.UBDL), provided that you have satisfied its requirements.
22 */
23
24 FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
25
26 /** @file
27 *
28 * System logger
29 *
30 */
31
32 #include <stdarg.h>
33 #include <syslog.h>
34 #include <ipxe/console.h>
35
36 /**
37 * Write message to system log
38 *
39 * @v fmt Format string
40 * @v args Arguments
41 */
42 void log_vprintf ( const char *fmt, va_list args ) {
43 int saved_usage;
44
45 /* Mark console as in use for log messages */
46 saved_usage = console_set_usage ( CONSOLE_USAGE_LOG );
47
48 /* Print message */
49 vprintf ( fmt, args );
50
51 /* Restore console usage */
52 console_set_usage ( saved_usage );
53 }
54
55 /**
56 * Write message to system log
57 *
58 * @v fmt Format string
59 * @v ... Arguments
60 */
61 void log_printf ( const char *fmt, ... ) {
62 va_list args;
63
64 va_start ( args, fmt );
65 log_vprintf ( fmt, args );
66 va_end ( args );
67 }