107 lines
2.5 KiB
C++
107 lines
2.5 KiB
C++
/* bsd_log.cc
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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#ifdef __OUTSIDE_CYGWIN__
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#include "woutsup.h"
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#define _KERNEL 1
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#define __BSD_VISIBLE 1
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#include <stdio.h>
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#include <stdlib.h>
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#include <libgen.h>
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int32_t log_level = 8; /* Illegal value. Don't change! */
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tun_bool_t log_debug = TUN_UNDEF;
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tun_bool_t log_syslog = TUN_UNDEF;
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tun_bool_t log_stderr = TUN_UNDEF;
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static CRITICAL_SECTION cs;
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static bool cs_inited;
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void
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loginit (tun_bool_t opt_stderr, tun_bool_t opt_syslog)
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{
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if (log_debug == TUN_UNDEF)
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TUNABLE_BOOL_FETCH ("kern.log.debug", &log_debug);
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if (log_debug == TUN_UNDEF)
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log_debug = TUN_FALSE;
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if (opt_stderr != TUN_UNDEF)
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log_stderr = opt_stderr;
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else
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TUNABLE_BOOL_FETCH ("kern.log.stderr", &log_stderr);
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if (log_stderr == TUN_UNDEF)
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log_stderr = TUN_FALSE;
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if (opt_syslog != TUN_UNDEF)
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log_syslog = opt_syslog;
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else
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TUNABLE_BOOL_FETCH ("kern.log.syslog", &log_syslog);
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if (log_syslog == TUN_UNDEF)
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log_syslog = TUN_FALSE;
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if (log_level == 8)
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TUNABLE_INT_FETCH ("kern.log.level", &log_level);
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if (log_level == 8)
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log_level = 6;
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InitializeCriticalSection (&cs);
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cs_inited = true;
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}
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void
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_vlog (const char *file, int line, int level,
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const char *fmt, va_list ap)
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{
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char buf[16384];
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char *pos;
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if ((level == LOG_DEBUG && log_debug != TUN_TRUE)
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|| (level != LOG_DEBUG && level >= log_level))
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return;
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pos = stpcpy (buf, "cygserver: ");
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if (file && log_debug == TUN_TRUE)
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pos += snprintf (pos, 16384 - (pos - buf), "%s, line %d: ", file, line);
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vsnprintf (pos, 16384 - (pos - buf), fmt, ap);
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if (log_syslog == TUN_TRUE && level != LOG_DEBUG)
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syslog (level, buf);
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if (log_stderr == TUN_TRUE || level == LOG_DEBUG)
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{
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if (!cs_inited) /* Only occurs in --help scenario */
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{
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InitializeCriticalSection (&cs);
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cs_inited = true;
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}
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EnterCriticalSection (&cs);
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fputs (buf, stderr);
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fputc ('\n', stderr);
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LeaveCriticalSection (&cs);
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}
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}
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void
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_log (const char *file, int line, int level, const char *fmt, ...)
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{
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va_list ap;
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va_start (ap, fmt);
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_vlog (file, line, level, fmt, ap);
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}
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void
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_vpanic (const char *file, int line, const char *fmt, va_list ap)
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{
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_vlog (file, line, LOG_CRIT, fmt, ap);
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exit (1);
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}
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void
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_panic (const char *file, int line, const char *fmt, ...)
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{
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va_list ap;
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va_start (ap, fmt);
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_vpanic (file, line, fmt, ap);
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}
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#endif /* __OUTSIDE_CYGWIN__ */
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