xref: /haiku/src/add-ons/kernel/drivers/audio/emuxki/debug.c (revision be012e21222c4d8d70082d12353acb163dc60ba8)
1 /*
2  * Emuxki BeOS Driver for Creative Labs SBLive!/Audigy series
3  *
4  * Copyright (c) 2002, Jerome Duval (jerome.duval@free.fr)
5  *
6  * Original code : BeOS Driver for Intel ICH AC'97 Link interface
7  * Copyright (c) 2002, Marcus Overhagen <marcus@overhagen.de>
8  *
9  * All rights reserved.
10  * Redistribution and use in source and binary forms, with or without modification,
11  * are permitted provided that the following conditions are met:
12  *
13  * - Redistributions of source code must retain the above copyright notice,
14  *   this list of conditions and the following disclaimer.
15  * - Redistributions in binary form must reproduce the above copyright notice,
16  *   this list of conditions and the following disclaimer in the documentation
17  *   and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
21  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
23  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
25  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
27  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
28  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  *
30  */
31 
32 
33 #include <KernelExport.h>
34 
35 #include <stdio.h>
36 #include <fcntl.h>
37 #include <unistd.h>
38 
39 #include <directories.h>
40 #include <OS.h>
41 
42 #include "debug.h"
43 #include "emuxki.h"
44 
45 
46 #if DEBUG > 0
47 static const char *logfile = kSystemLogDirectory "/emuxki.log";
48 static sem_id loglock;
49 #endif
50 
51 
52 void debug_printf(const char *text,...);
53 void log_printf(const char *text,...);
54 void log_create(void);
55 
56 
57 void debug_printf(const char *text,...)
58 {
59 	char buf[1024];
60 	va_list ap;
61 
62 	va_start(ap,text);
63 	vsprintf(buf,text,ap);
64 	va_end(ap);
65 
66 	dprintf(DRIVER_NAME ": %s",buf);
67 }
68 
69 
70 void log_create()
71 {
72 #if DEBUG > 0
73 	int fd = open(logfile, O_WRONLY | O_CREAT | O_TRUNC, 0666);
74 	const char *text = DRIVER_NAME ", " VERSION "\n";
75 	loglock = create_sem(1,"logfile sem");
76 	write(fd,text,strlen(text));
77 	close(fd);
78 #endif
79 }
80 
81 
82 void log_printf(const char *text,...)
83 {
84 #if DEBUG > 0
85 	int fd;
86 	char buf[1024];
87 	va_list ap;
88 
89 	va_start(ap,text);
90 	vsprintf(buf,text,ap);
91 	va_end(ap);
92 
93 	dprintf(DRIVER_NAME ": %s",buf);
94 
95 	acquire_sem(loglock);
96 	fd = open(logfile, O_WRONLY | O_APPEND);
97 	write(fd,buf,strlen(buf));
98 	close(fd);
99 	release_sem(loglock);
100 
101 	#if DEBUG > 1
102 		snooze(150000);
103 	#endif
104 #endif
105 }
106