1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
/* I/O for printing warnings, errors and debug messages
* Copyright (C) 2005 Red Hat Inc.
*
* This file is part of systemtap, and is free software. You can
* redistribute it and/or modify it under the terms of the GNU General
* Public License (GPL); either version 2, or (at your option) any
* later version.
*/
#ifndef _IO_C_
#define _IO_C_
int vprintf(const char *format, va_list ap);
/** Logs Data.
* This function sends the message immediately to stpd. It
* will also be sent over the bulk transport (relayfs) if it is
* being used. If the last character is not a newline, then one
* is added. This function is not as efficient as _stp_printf()
* and should only be used for urgent messages. You probably want
* dbug(), or _stp_warn().
* @param fmt A variable number of args.
* @todo Evaluate if this function is necessary.
*/
void _stp_log (const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
vprintf (fmt, args);
va_end(args);
}
/** Prints warning.
* This function sends a warning message immediately to stpd. It
* will also be sent over the bulk transport (relayfs) if it is
* being used. If the last character is not a newline, then one
* is added.
* @param fmt A variable number of args.
*/
void _stp_warn (const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
vprintf (fmt, args);
va_end(args);
}
/** Exits and unloads the module.
* This function sends a signal to stpd to tell it to
* unload the module and exit. The module will not be
* unloaded until after the current probe returns.
* @note Be careful to not treat this like the Linux exit()
* call. You should probably call return immediately after
* calling _stp_exit().
*/
void _stp_exit (void)
{
exit (-1);
}
/** Prints error message and exits.
* This function sends an error message immediately to stpd. It
* will also be sent over the bulk transport (relayfs) if it is
* being used. If the last character is not a newline, then one
* is added.
*
* After the error message is displayed, the module will be unloaded.
* @param fmt A variable number of args.
* @sa _stp_exit().
*/
void _stp_error (const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
vprintf (fmt, args);
va_end(args);
_stp_exit();
}
/** @} */
#endif /* _IO_C_ */
|
