git://sourceware.org / newlib-cygwin.git / blame
| Commit | Line | Data |
|---|---|---|
| 282113ba CV |
1 | /* bsd_log.cc |
| 2 | ||
| 282113ba CV |
3 | This file is part of Cygwin. |
| 4 | ||
| 5 | This software is a copyrighted work licensed under the terms of the | |
| 6 | Cygwin license. Please consult the file "CYGWIN_LICENSE" for | |
| 7 | details. */ | |
| 8 | #ifdef __OUTSIDE_CYGWIN__ | |
| 9 | #include "woutsup.h" | |
| 10 | #define _KERNEL 1 | |
| 11 | #define __BSD_VISIBLE 1 | |
| 282113ba CV |
12 | #include <stdio.h> |
| 13 | #include <stdlib.h> | |
| 8d6a5228 | 14 | #include <libgen.h> |
| 282113ba | 15 | |
| 61522196 | 16 | int32_t log_level = 8; /* Illegal value. Don't change! */ |
| 282113ba CV |
17 | tun_bool_t log_debug = TUN_UNDEF; |
| 18 | tun_bool_t log_syslog = TUN_UNDEF; | |
| 19 | tun_bool_t log_stderr = TUN_UNDEF; | |
| 20 | ||
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21 | static CRITICAL_SECTION cs; |
| 22 | static bool cs_inited; | |
| 23 | ||
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24 | void |
| 25 | loginit (tun_bool_t opt_stderr, tun_bool_t opt_syslog) | |
| 26 | { | |
| 27 | if (log_debug == TUN_UNDEF) | |
| 28 | TUNABLE_BOOL_FETCH ("kern.log.debug", &log_debug); | |
| 29 | if (log_debug == TUN_UNDEF) | |
| 30 | log_debug = TUN_FALSE; | |
| 31 | ||
| 32 | if (opt_stderr != TUN_UNDEF) | |
| 33 | log_stderr = opt_stderr; | |
| 34 | else | |
| 35 | TUNABLE_BOOL_FETCH ("kern.log.stderr", &log_stderr); | |
| 36 | if (log_stderr == TUN_UNDEF) | |
| 37 | log_stderr = TUN_FALSE; | |
| 38 | ||
| 39 | if (opt_syslog != TUN_UNDEF) | |
| 40 | log_syslog = opt_syslog; | |
| 41 | else | |
| 42 | TUNABLE_BOOL_FETCH ("kern.log.syslog", &log_syslog); | |
| 43 | if (log_syslog == TUN_UNDEF) | |
| 44 | log_syslog = TUN_FALSE; | |
| 45 | ||
| 46 | if (log_level == 8) | |
| 47 | TUNABLE_INT_FETCH ("kern.log.level", &log_level); | |
| 48 | if (log_level == 8) | |
| 49 | log_level = 6; | |
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50 | InitializeCriticalSection (&cs); |
| 51 | cs_inited = true; | |
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52 | } |
| 53 | ||
| 54 | void | |
| 55 | _vlog (const char *file, int line, int level, | |
| 56 | const char *fmt, va_list ap) | |
| 57 | { | |
| 58 | char buf[16384]; | |
| fb7331e3 | 59 | char *pos; |
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60 | |
| 61 | if ((level == LOG_DEBUG && log_debug != TUN_TRUE) | |
| 62 | || (level != LOG_DEBUG && level >= log_level)) | |
| 63 | return; | |
| fb7331e3 | 64 | pos = stpcpy (buf, "cygserver: "); |
| 282113ba | 65 | if (file && log_debug == TUN_TRUE) |
| 838eaf66 CV |
66 | pos += snprintf (pos, 16384 - (pos - buf), "%s, line %d: ", |
| 67 | basename ((char *) file), line); | |
| fb7331e3 | 68 | vsnprintf (pos, 16384 - (pos - buf), fmt, ap); |
| 282113ba CV |
69 | if (log_syslog == TUN_TRUE && level != LOG_DEBUG) |
| 70 | syslog (level, buf); | |
| 71 | if (log_stderr == TUN_TRUE || level == LOG_DEBUG) | |
| 72 | { | |
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73 | if (!cs_inited) /* Only occurs in --help scenario */ |
| 74 | { | |
| 75 | InitializeCriticalSection (&cs); | |
| 76 | cs_inited = true; | |
| 77 | } | |
| 78 | EnterCriticalSection (&cs); | |
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79 | fputs (buf, stderr); |
| 80 | fputc ('\n', stderr); | |
| 8d6a5228 | 81 | LeaveCriticalSection (&cs); |
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82 | } |
| 83 | } | |
| 84 | ||
| 85 | void | |
| 86 | _log (const char *file, int line, int level, const char *fmt, ...) | |
| 87 | { | |
| 88 | va_list ap; | |
| 89 | va_start (ap, fmt); | |
| 90 | _vlog (file, line, level, fmt, ap); | |
| 91 | } | |
| 92 | ||
| 93 | void | |
| 94 | _vpanic (const char *file, int line, const char *fmt, va_list ap) | |
| 95 | { | |
| 663b4ab8 | 96 | _vlog (file, line, LOG_EMERG, fmt, ap); |
| 282113ba CV |
97 | exit (1); |
| 98 | } | |
| 99 | ||
| 100 | void | |
| 101 | _panic (const char *file, int line, const char *fmt, ...) | |
| 102 | { | |
| 103 | va_list ap; | |
| 104 | va_start (ap, fmt); | |
| 105 | _vpanic (file, line, fmt, ap); | |
| 106 | } | |
| 107 | #endif /* __OUTSIDE_CYGWIN__ */ |