/* Information Technology Center */
/* Date: 05/21/97 */
/* */
-/* Function - These routiens implement logging from the servers */
+/* Function - These routines implement logging from the servers. */
/* */
/* ********************************************************************** */
#include <afs/procmgmt.h> /* signal(), kill(), wait(), etc. */
#include <roken.h> /* Must come after procmgmt.h */
+#ifdef AFS_PTHREAD_ENV
+ #include <opr/softsig.h>
+ #include <afs/procmgmt_softsig.h> /* Must come after softsig.h */
+#endif
#include <afs/opr.h>
-
#include "afsutil.h"
#include "fileutil.h"
#include <lwp.h>
#if defined(AFS_PTHREAD_ENV)
-/* can't include rx when we are libutil; it's too early */
-#include <rx/rx.h>
#include <pthread.h>
+static pthread_once_t serverLogOnce = PTHREAD_ONCE_INIT;
static pthread_mutex_t serverLogMutex;
-#define LOCK_SERVERLOG() MUTEX_ENTER(&serverLogMutex)
-#define UNLOCK_SERVERLOG() MUTEX_EXIT(&serverLogMutex)
+#define LOCK_SERVERLOG() opr_Verify(pthread_mutex_lock(&serverLogMutex) == 0)
+#define UNLOCK_SERVERLOG() opr_Verify(pthread_mutex_unlock(&serverLogMutex) == 0)
#ifdef AFS_NT40_ENV
#define NULLDEV "NUL"
#define O_NONBLOCK 0
#endif
+/*!
+ * Placeholder function to return dummy thread number.
+ */
static int
dummyThreadNum(void)
{
}
static int (*threadNumProgram) (void) = dummyThreadNum;
-static int serverLogFD = -1;
+/* After single-threaded startup, accesses to serverlogFD and
+ * serverLogSyslog* are protected by LOCK_SERVERLOG(). */
+static int serverLogFD = -1; /*!< The log file descriptor. */
+static struct logOptions serverLogOpts; /*!< logging options */
-#ifndef AFS_NT40_ENV
-int serverLogSyslog = 0;
-int serverLogSyslogFacility = LOG_DAEMON;
-char *serverLogSyslogTag = 0;
-#endif
+int LogLevel; /*!< The current logging level. */
+static int threadIdLogs = 0; /*!< Include the thread id in log messages when true. */
+static int resetSignals = 0; /*!< Reset signal handlers for the next signal when true. */
+static char *ourName = NULL; /*!< The fully qualified log file path, saved for reopens. */
-int LogLevel;
-int mrafsStyleLogs = 0;
-static int threadIdLogs = 0;
-int printLocks = 0;
-static char ourName[MAXPATHLEN];
+static int OpenLogFile(const char *fileName);
+static void RotateLogFile(void);
+/*!
+ * Determine if the file is a named pipe.
+ *
+ * This check is performed to support named pipes as logs by not rotating them
+ * and opening them with a non-blocking flags.
+ *
+ * \param[in] fileName log file name
+ *
+ * \returns non-zero if log file is a named pipe.
+ */
+static int
+IsFIFO(const char *fileName)
+{
+ struct stat statbuf;
+ return (lstat(fileName, &statbuf) == 0) && (S_ISFIFO(statbuf.st_mode));
+}
+
+/*!
+ * Return the current logging level.
+ */
+int
+GetLogLevel(void)
+{
+ return LogLevel;
+}
+
+/*!
+ * Return the log destination.
+ */
+enum logDest
+GetLogDest(void)
+{
+ return serverLogOpts.lopt_dest;
+}
+
+/*!
+ * Get the log filename for file based logging.
+ *
+ * An empty string is returned if the log destination is not
+ * file based. The caller must make a copy of the string
+ * if it is accessed after the CloseLog.
+ */
+const char *
+GetLogFilename(void)
+{
+ return serverLogOpts.lopt_dest == logDest_file ? (const char*)ourName : "";
+}
+
+/*!
+ * Set the function to log thread numbers.
+ */
void
SetLogThreadNumProgram(int (*func) (void) )
{
threadNumProgram = func;
}
+/*!
+ * Write a block of bytes to the log.
+ *
+ * Write a block of bytes directly to the log without formatting
+ * or prepending a timestamp.
+ *
+ * \param[in] buf pointer to bytes to write
+ * \param[in] len number of bytes to write
+ */
void
WriteLogBuffer(char *buf, afs_uint32 len)
{
LOCK_SERVERLOG();
- if (serverLogFD > 0)
- (void)write(serverLogFD, buf, len);
+ if (serverLogFD >= 0) {
+ if (write(serverLogFD, buf, len) < 0)
+ ; /* don't care */
+ }
UNLOCK_SERVERLOG();
}
+/*!
+ * Get the current thread number.
+ */
int
LogThreadNum(void)
{
return (*threadNumProgram) ();
}
+/*!
+ * Write a message to the log.
+ *
+ * \param[in] format printf-style format string
+ * \param[in] args variable list of arguments
+ */
void
vFSLog(const char *format, va_list args)
{
localtime_r(¤ttime, &tm));
info = &tbuffer[len];
- if (mrafsStyleLogs || threadIdLogs) {
+ if (threadIdLogs) {
num = (*threadNumProgram) ();
if (num > -1) {
snprintf(info, (sizeof tbuffer) - strlen(tbuffer), "[%d] ",
len = strlen(tbuffer);
LOCK_SERVERLOG();
-#ifndef AFS_NT40_ENV
- if (serverLogSyslog) {
+#ifdef HAVE_SYSLOG
+ if (serverLogOpts.dest == logDest_syslog) {
syslog(LOG_INFO, "%s", info);
} else
#endif
- if (serverLogFD > 0)
- (void)write(serverLogFD, tbuffer, len);
+ if (serverLogFD >= 0) {
+ if (write(serverLogFD, tbuffer, len) < 0)
+ ; /* don't care */
+ }
UNLOCK_SERVERLOG();
#if !defined(AFS_PTHREAD_ENV) && !defined(AFS_NT40_ENV)
- if (!serverLogSyslog) {
+ if (serverLogOpts.dest == logDest_file) {
fflush(stdout);
fflush(stderr); /* in case they're sharing the same FD */
}
#endif
} /*vFSLog */
-/* VARARGS1 */
-/*@printflike@*/
+/*!
+ * Write a message to the log.
+ *
+ * \param[in] format printf-style format specification
+ * \param[in] ... arguments for format specification
+ */
void
FSLog(const char *format, ...)
{
va_end(args);
} /*FSLog */
+/*!
+ * Write the command-line invocation to the log.
+ *
+ * \param[in] argc argument count from main()
+ * \param[in] argv argument vector from main()
+ * \param[in] progname program name
+ * \param[in] version program version
+ * \param[in] logstring log message string
+ * \param[in] log printf-style log function
+ */
void
LogCommandLine(int argc, char **argv, const char *progname,
const char *version, const char *logstring,
}
}
+/*!
+ * Write the single-DES deprecation warning to the log.
+ */
+void
+LogDesWarning(void)
+{
+ /* The blank newlines help this stand out a bit more in the log. */
+ ViceLog(0, ("\n"));
+ ViceLog(0, ("WARNING: You are using single-DES keys in a KeyFile. Using single-DES\n"));
+ ViceLog(0, ("WARNING: long-term keys is considered insecure, and it is strongly\n"));
+ ViceLog(0, ("WARNING: recommended that you migrate to stronger encryption. See\n"));
+ ViceLog(0, ("WARNING: OPENAFS-SA-2013-003 on http://www.openafs.org/security/\n"));
+ ViceLog(0, ("WARNING: for details.\n"));
+ ViceLog(0, ("\n"));
+}
+
+/*!
+ * Move the current log file out of the way so a new one can be started.
+ *
+ * The format of the new name depends on the logging style. The traditional
+ * Transarc style appends ".old" to the log file name. When MR-AFS style
+ * logging is in effect, a time stamp is appended to the log file name instead
+ * of ".old".
+ *
+ * \bug Unfortunately, no check is made to avoid overwriting
+ * old logs in the traditional Transarc mode.
+ *
+ * \param fileName fully qualified log file path
+ */
+static void
+RenameLogFile(const char *fileName)
+{
+ int code;
+ char *nextName = NULL;
+ int tries;
+ time_t t;
+ struct stat buf;
+ struct tm *timeFields;
+
+ switch (serverLogOpts.lopt_rotateStyle) {
+ case logRotate_none:
+ break;
+ case logRotate_old:
+ code = asprintf(&nextName, "%s.old", fileName);
+ if (code < 0) {
+ nextName = NULL;
+ }
+ break;
+ case logRotate_timestamp:
+ time(&t);
+ for (tries = 0; nextName == NULL && tries < 100; t++, tries++) {
+ timeFields = localtime(&t);
+ code = asprintf(&nextName, "%s.%d%02d%02d%02d%02d%02d",
+ fileName, timeFields->tm_year + 1900,
+ timeFields->tm_mon + 1, timeFields->tm_mday,
+ timeFields->tm_hour, timeFields->tm_min,
+ timeFields->tm_sec);
+ if (code < 0) {
+ nextName = NULL;
+ break;
+ }
+ if (lstat(nextName, &buf) == 0) {
+ /* Avoid clobbering a log. */
+ free(nextName);
+ nextName = NULL;
+ }
+ }
+ break;
+ default:
+ opr_Assert(0);
+ }
+ if (nextName != NULL) {
+ rk_rename(fileName, nextName); /* Don't check the error code. */
+ free(nextName);
+ }
+}
+
+/*!
+ * Write message to the log to indicate the log level.
+ *
+ * This helper function is called by the signal handlers when the log level is
+ * changed, to write a message to the log to indicate the log level has been
+ * changed.
+ */
static void*
DebugOn(void *param)
{
return 0;
} /*DebugOn */
-
-
+/*!
+ * Signal handler to increase the logging level.
+ *
+ * Increase the current logging level to 1 if it in currently 0,
+ * otherwise, increase the current logging level by a factor of 5 if it
+ * is currently non-zero.
+ *
+ * Enables thread id logging when the log level is greater than 1.
+ */
void
SetDebug_Signal(int signo)
{
threadIdLogs = 0;
#endif
}
- printLocks = 2;
#if defined(AFS_PTHREAD_ENV)
DebugOn((void *)(intptr_t)LogLevel);
#else /* AFS_PTHREAD_ENV */
IOMGR_SoftSig(DebugOn, (void *)(intptr_t)LogLevel);
#endif /* AFS_PTHREAD_ENV */
- (void)signal(signo, SetDebug_Signal); /* on some platforms, this
- * signal handler needs to
- * be set again */
+ if (resetSignals) {
+ /* When pthreaded softsig handlers are not in use, some platforms
+ * require this signal handler to be set again. */
+ (void)signal(signo, SetDebug_Signal);
+ }
} /*SetDebug_Signal */
+/*!
+ * Signal handler to reset the logging level.
+ *
+ * Reset the logging level and disable thread id logging.
+ *
+ * \note This handler has the side-effect of rotating and reopening
+ * MR-AFS style logs.
+ */
void
ResetDebug_Signal(int signo)
{
LogLevel = 0;
- if (printLocks > 0)
- --printLocks;
#if defined(AFS_PTHREAD_ENV)
DebugOn((void *)(intptr_t)LogLevel);
#else /* AFS_PTHREAD_ENV */
IOMGR_SoftSig(DebugOn, (void *)(intptr_t)LogLevel);
#endif /* AFS_PTHREAD_ENV */
- (void)signal(signo, ResetDebug_Signal); /* on some platforms,
- * this signal handler
- * needs to be set
- * again */
+ if (resetSignals) {
+ /* When pthreaded softsig handlers are not in use, some platforms
+ * require this signal handler to be set again. */
+ (void)signal(signo, ResetDebug_Signal);
+ }
#if defined(AFS_PTHREAD_ENV)
if (threadIdLogs == 1)
threadIdLogs = 0;
#endif
- if (mrafsStyleLogs)
- OpenLog((char *)&ourName);
+ if (serverLogOpts.lopt_rotateOnReset) {
+ RotateLogFile();
+ }
} /*ResetDebug_Signal */
+/*!
+ * Handle requests to reopen the log.
+ *
+ * This signal handler will reopen the log file. A new, empty log file
+ * will be created if the log file does not already exist.
+ *
+ * External log rotation programs may rotate a server log file by
+ * renaming the existing server log file and then immediately sending a
+ * signal to the corresponding server process. Server log messages will
+ * continue to be appended to the renamed server log file until the
+ * server log is reopened. After this signal handler completes, server
+ * log messages will be written to the new log file. This allows
+ * external log rotation programs to rotate log files without
+ * messages being dropped.
+ */
+void
+ReOpenLog_Signal(int signo)
+{
+ ReOpenLog();
+ if (resetSignals) {
+ (void)signal(signo, ReOpenLog_Signal);
+ }
+}
+
+#ifdef AFS_PTHREAD_ENV
+/*!
+ * Register pthread-safe signal handlers for server log management.
+ *
+ * \note opr_softsig_Init() must be called before this function.
+ */
+void
+SetupLogSoftSignals(void)
+{
+ opr_softsig_Register(SIGHUP, ResetDebug_Signal);
+ opr_softsig_Register(SIGTSTP, SetDebug_Signal);
+ opr_softsig_Register(SIGUSR1, ReOpenLog_Signal);
+#ifndef AFS_NT40_ENV
+ (void)signal(SIGPIPE, SIG_IGN);
+#endif
+}
+#endif /* AFS_PTHREAD_ENV */
+/*!
+ * Register signal handlers for server log management.
+ *
+ * \note This function is deprecated and should not be used
+ * in new code. This function should be removed when
+ * all the servers have been converted to pthreads
+ * and lwp has been removed.
+ */
void
SetupLogSignals(void)
{
+ resetSignals = 1;
(void)signal(SIGHUP, ResetDebug_Signal);
- /* Note that we cannot use SIGUSR1 -- Linux stole it for pthreads! */
(void)signal(SIGTSTP, SetDebug_Signal);
+ (void)signal(SIGUSR1, ReOpenLog_Signal);
#ifndef AFS_NT40_ENV
(void)signal(SIGPIPE, SIG_IGN);
#endif
}
-int
-OpenLog(const char *fileName)
+#if defined(AFS_PTHREAD_ENV)
+static void
+InitServerLogMutex(void)
+{
+ opr_Verify(pthread_mutex_init(&serverLogMutex, NULL) == 0);
+}
+#endif /* AFS_PTHREAD_ENV */
+
+/*!
+ * Redirect stdout and stderr to the log file.
+ *
+ * \note Call directly after opening the log file.
+ *
+ * \param[in] fileName log file name
+ */
+static void
+RedirectStdStreams(const char *fileName)
+{
+ if (freopen(fileName, "a", stdout) == NULL)
+ ; /* don't care */
+ if (freopen(fileName, "a", stderr) != NULL) {
+#ifdef HAVE_SETVBUF
+ setvbuf(stderr, NULL, _IONBF, 0);
+#else
+ setbuf(stderr, NULL);
+#endif
+ }
+}
+
+/*!
+ * Open the log file.
+ *
+ * Open the log file using the options given in OpenLog().
+ *
+ * \returns 0 on success
+ */
+static int
+OpenLogFile(const char *fileName)
{
/*
* This function should allow various libraries that inconsistently
* use stdout/stderr to all go to the same place
*/
- int tempfd, isfifo = 0;
- char oldName[MAXPATHLEN];
- struct timeval Start;
- struct tm *TimeFields;
- char FileName[MAXPATHLEN];
-
-#ifndef AFS_NT40_ENV
- struct stat statbuf;
+ int tempfd;
+ int flags = O_WRONLY | O_CREAT | O_APPEND;
- if (serverLogSyslog) {
- openlog(serverLogSyslogTag, LOG_PID, serverLogSyslogFacility);
- return (0);
- }
-
- /* Support named pipes as logs by not rotating them */
- if ((lstat(fileName, &statbuf) == 0) && (S_ISFIFO(statbuf.st_mode))) {
- isfifo = 1;
- }
-#endif
+ opr_Assert(serverLogOpts.dest == logDest_file);
- if (mrafsStyleLogs) {
- time_t t;
- struct stat buf;
- gettimeofday(&Start, NULL);
- t = Start.tv_sec;
- TimeFields = localtime(&t);
- if (fileName) {
- if (strncmp(fileName, (char *)&ourName, strlen(fileName)))
- strcpy((char *)&ourName, (char *)fileName);
- }
- makefilename:
- snprintf(FileName, MAXPATHLEN, "%s.%d%02d%02d%02d%02d%02d",
- ourName, TimeFields->tm_year + 1900,
- TimeFields->tm_mon + 1, TimeFields->tm_mday,
- TimeFields->tm_hour, TimeFields->tm_min,
- TimeFields->tm_sec);
- if(lstat(FileName, &buf) == 0) {
- /* avoid clobbering a log */
- TimeFields->tm_sec++;
- goto makefilename;
- }
- if (!isfifo)
- renamefile(fileName, FileName); /* don't check error code */
- tempfd = open(fileName, O_WRONLY | O_TRUNC | O_CREAT | (isfifo?O_NONBLOCK:0), 0666);
- } else {
- strcpy(oldName, fileName);
- strcat(oldName, ".old");
+ opr_Assert(fileName != NULL);
- /* don't check error */
- if (!isfifo)
- renamefile(fileName, oldName);
- tempfd = open(fileName, O_WRONLY | O_TRUNC | O_CREAT | (isfifo?O_NONBLOCK:0), 0666);
+ if (IsFIFO(fileName)) {
+ /* Support named pipes as logs by not rotating them. */
+ flags |= O_NONBLOCK;
+ } else if (serverLogOpts.lopt_rotateOnOpen) {
+ /* Old style logging always started a new log file. */
+ flags |= O_TRUNC;
+ RenameLogFile(fileName);
}
+ tempfd = open(fileName, flags, 0666);
if (tempfd < 0) {
printf("Unable to open log file %s\n", fileName);
return -1;
}
- /* redirect stdout and stderr so random printf's don't write to data */
- (void)freopen(fileName, "a", stdout);
- (void)freopen(fileName, "a", stderr);
-#ifdef HAVE_SETVBUF
- setvbuf(stderr, NULL, _IONBF, 0);
-#else
- setbuf(stderr, NULL);
-#endif
+ RedirectStdStreams(fileName);
-#if defined(AFS_PTHREAD_ENV)
- MUTEX_INIT(&serverLogMutex, "serverlog", MUTEX_DEFAULT, 0);
-#endif /* AFS_PTHREAD_ENV */
+ /* Save our name for reopening. */
+ free(ourName);
+ ourName = strdup(fileName);
+ opr_Assert(ourName != NULL);
serverLogFD = tempfd;
return 0;
-} /*OpenLog */
+}
+/*!
+ * Open the log file descriptor or a connection to the system log.
+ *
+ * This function should be called once during program initialization and
+ * must be called before calling FSLog() or WriteLogBuffer(). The
+ * fields of the given argument specify the logging destination and
+ * various optional features.
+ *
+ * The lopt_logLevel value specifies the initial logging level.
+ *
+ * The lopt_dest enum specifies the logging destination; either
+ * file based (logDest_file) or the system log (logDest_syslog).
+ *
+ * File Based Logging
+ * ------------------
+ *
+ * A file will be opened for log messages when the lopt_dest enum is set
+ * to logDest_file. The file specified by lopt_filename will be opened
+ * for appending log messages. A new file will be created if the log
+ * file does not exist.
+ *
+ * The lopt_rotateOnOpen flag specifies whether an existing log file is
+ * to be renamed and a new log file created during the call to OpenLog.
+ * The lopt_rotateOnOpen flag has no effect if the file given by
+ * lopt_filename is a named pipe (fifo).
+ *
+ * The lopt_rotateOnReset flag specifies whether the log file is renamed
+ * and then reopened when the reset signal (SIGHUP) is caught.
+ *
+ * The lopt_rotateStyle enum specifies how the new log file is renamed when
+ * lopt_rotateOnOpen or lopt_rotateOnReset are set. The lopt_rotateStyle
+ * may be the traditional Transarc style (logRotate_old) or the MR-AFS
+ * style (logRotate_timestamp).
+ *
+ * When lopt_rotateStyle is set to logRotate_old, the suffix ".old" is
+ * appended to the log file name. The existing ".old" log file is
+ * removed.
+ *
+ * When lopt_rotateStyle is set to logRotate_timestamp, a timestamp
+ * string is appended to the log file name and existing files are not
+ * removed.
+ *
+ * \note Messages written to stdout and stderr are redirected to the log
+ * file when file-based logging is in effect.
+ *
+ * System Logging
+ * --------------
+ *
+ * A connection to the system log (syslog) will be established for log
+ * messages when the lopt_dest enum is set to logDest_syslog.
+ *
+ * The lopt_facility specifies the system log facility to be used when
+ * writing messages to the system log.
+ *
+ * The lopt_tag string specifies the indentification string to be used
+ * when writing messages to the system log.
+ *
+ * \param opts logging options. A copy of the logging
+ * options will be made before returning to
+ * the caller.
+ *
+ * \returns 0 on success
+ */
int
-ReOpenLog(const char *fileName)
+OpenLog(struct logOptions *opts)
{
- int isfifo = 0;
-#if !defined(AFS_NT40_ENV)
- struct stat statbuf;
-#endif
+ int code;
- if (access(fileName, F_OK) == 0)
- return 0; /* exists, no need to reopen. */
+#if defined(AFS_PTHREAD_ENV)
+ opr_Verify(pthread_once(&serverLogOnce, InitServerLogMutex) == 0);
+#endif /* AFS_PTHREAD_ENV */
-#if !defined(AFS_NT40_ENV)
- if (serverLogSyslog) {
- return 0;
+ LogLevel = serverLogOpts.logLevel = opts->logLevel;
+ serverLogOpts.dest = opts->dest;
+ switch (serverLogOpts.dest) {
+ case logDest_file:
+ serverLogOpts.lopt_rotateOnOpen = opts->lopt_rotateOnOpen;
+ serverLogOpts.lopt_rotateOnReset = opts->lopt_rotateOnReset;
+ serverLogOpts.lopt_rotateStyle = opts->lopt_rotateStyle;
+ /* OpenLogFile() sets ourName; don't cache filename here. */
+ code = OpenLogFile(opts->lopt_filename);
+ break;
+#ifdef HAVE_SYSLOG
+ case logDest_syslog:
+ serverLogOpts.lopt_rotateOnOpen = 0;
+ serverLogOpts.lopt_rotateOnReset = 0;
+ serverLogOpts.lopt_rotateStyle = logRotate_none;
+ openlog(opts->lopt_tag, LOG_PID, opts->lopt_facility);
+ code = 0;
+ break;
+#endif
+ default:
+ opr_Assert(0);
}
+ return code;
+} /*OpenLog */
+
+/*!
+ * Reopen the log file descriptor.
+ *
+ * Reopen the log file descriptor in order to support rotation
+ * of the log files. Has no effect when logging to the syslog.
+ *
+ * \returns 0 on success
+ */
+int
+ReOpenLog(void)
+{
+ int flags = O_WRONLY | O_APPEND | O_CREAT;
- /* Support named pipes as logs by not rotating them */
- if ((lstat(fileName, &statbuf) == 0) && (S_ISFIFO(statbuf.st_mode))) {
- isfifo = 1;
+#ifdef HAVE_SYSLOG
+ if (serverLogOpts.dest == logDest_syslog) {
+ return 0;
}
#endif
LOCK_SERVERLOG();
- if (serverLogFD > 0)
+ if (ourName == NULL) {
+ UNLOCK_SERVERLOG();
+ return -1;
+ }
+ if (IsFIFO(ourName)) {
+ flags |= O_NONBLOCK;
+ }
+ if (serverLogFD >= 0)
close(serverLogFD);
- serverLogFD = open(fileName, O_WRONLY | O_APPEND | O_CREAT | (isfifo?O_NONBLOCK:0), 0666);
- if (serverLogFD > 0) {
- (void)freopen(fileName, "a", stdout);
- (void)freopen(fileName, "a", stderr);
-#ifdef HAVE_SETVBUF
-#ifdef SETVBUF_REVERSED
- setvbuf(stderr, _IONBF, NULL, 0);
-#else
- setvbuf(stderr, NULL, _IONBF, 0);
-#endif
-#else
- setbuf(stderr, NULL);
-#endif
-
+ serverLogFD = open(ourName, flags, 0666);
+ if (serverLogFD >= 0) {
+ RedirectStdStreams(ourName);
}
UNLOCK_SERVERLOG();
return serverLogFD < 0 ? -1 : 0;
}
+
+/*!
+ * Rotate the log file by renaming then truncating.
+ */
+static void
+RotateLogFile(void)
+{
+ LOCK_SERVERLOG();
+ if (ourName != NULL) {
+ if (serverLogFD >= 0) {
+ close(serverLogFD);
+ serverLogFD = -1;
+ }
+ OpenLogFile(ourName);
+ }
+ UNLOCK_SERVERLOG();
+}
+
+/*!
+ * Close the server log file.
+ *
+ * \note Must be preceeded by OpenLog().
+ */
+void
+CloseLog(void)
+{
+ LOCK_SERVERLOG();
+
+#ifdef HAVE_SYSLOG
+ if (serverLogOpts.dest == logDest_syslog) {
+ closelog();
+ } else
+#endif
+ {
+ if (serverLogFD >= 0) {
+ close(serverLogFD);
+ serverLogFD = -1;
+ }
+ free(ourName);
+ ourName = NULL;
+ }
+ UNLOCK_SERVERLOG();
+}
git://git.openafs.org / openafs.git / blobdiff