diff options
Diffstat (limited to 'libc/misc/syslog/syslog.c')
| -rw-r--r-- | libc/misc/syslog/syslog.c | 65 |
1 files changed, 20 insertions, 45 deletions
diff --git a/libc/misc/syslog/syslog.c b/libc/misc/syslog/syslog.c index 0cfac486e..6cfe714ce 100644 --- a/libc/misc/syslog/syslog.c +++ b/libc/misc/syslog/syslog.c @@ -65,10 +65,6 @@ #include <sys/file.h> #include <sys/signal.h> #include <sys/syslog.h> -#if 0 -#include "syslog.h" -#include "pathnames.h" -#endif #include <sys/uio.h> #include <sys/wait.h> @@ -84,36 +80,15 @@ #include <signal.h> -#if defined(_REENTRENT) || defined(_THREAD_SAFE) -# include <pthread.h> - -extern int __writev( int, const struct iovec *, size_t); - -/* We need to initialize the mutex. For this we use a method provided - by pthread function 'pthread_once'. For this we need a once block. */ -static pthread_once__t _once_block = pthread_once_init; - -/* This is the mutex which protects the global environment of simultaneous - modifications. */ -static pthread_mutex_t _syslog_mutex; - -static void -DEFUN_VOID(_init_syslog_mutex) -{ - pthread_mutex_init(&_syslog_mutex, pthread_mutexattr_default); -} - -# define LOCK() \ - do { pthread_once(&_once_block, _init_syslog_mutex); - pthread_mutex_lock(&_syslog_mutex); } while (0) -# define UNLOCK() pthread_mutex_unlock(&_syslog_mutex) - -#else /* !_REENTRENT && !_THREAD_SAFE */ - -# define LOCK() -# define UNLOCK() - -#endif /* _REENTRENT || _THREAD_SAFE */ +#ifdef __UCLIBC_HAS_THREADS__ +#include <pthread.h> +static pthread_mutex_t mylock = PTHREAD_MUTEX_INITIALIZER; +# define LOCK pthread_mutex_lock(&mylock) +# define UNLOCK pthread_mutex_unlock(&mylock); +#else +# define LOCK +# define UNLOCK +#endif static int LogFile = -1; /* fd for log */ @@ -122,6 +97,7 @@ static int LogStat = 0; /* status bits, set by openlog() */ static const char *LogTag = "syslog"; /* string to tag the entry with */ static int LogFacility = LOG_USER; /* default facility code */ static int LogMask = 0xff; /* mask of priorities to be logged */ +static struct sockaddr SyslogAddr; /* AF_UNIX address of local logger */ static void closelog_intern( int ); void syslog( int, const char *, ...); @@ -133,7 +109,7 @@ int setlogmask(int pmask); static void closelog_intern(int to_default) { - LOCK(); + LOCK; (void) close(LogFile); LogFile = -1; connected = 0; @@ -144,7 +120,7 @@ closelog_intern(int to_default) LogFacility = LOG_USER; LogMask = 0xff; } - UNLOCK(); + UNLOCK; } static void @@ -186,7 +162,7 @@ vsyslog( int pri, const char *fmt, va_list ap ) saved_errno = errno; - LOCK(); + LOCK; /* See if we should just throw out this message. */ if (!(LogMask & LOG_MASK(LOG_PRI(pri))) || (pri &~ (LOG_PRIMASK|LOG_FACMASK))) @@ -227,7 +203,7 @@ vsyslog( int pri, const char *fmt, va_list ap ) __set_errno(saved_errno); p += vsnprintf(p, end - p, fmt, ap); if (p >= end || p < head_end) { /* Returned -1 in case of error... */ - static char truncate_msg[12] = "[truncated] "; + static const char truncate_msg[12] = "[truncated] "; memmove(head_end + sizeof(truncate_msg), head_end, end - head_end - sizeof(truncate_msg)); memcpy(head_end, truncate_msg, sizeof(truncate_msg)); @@ -275,20 +251,19 @@ vsyslog( int pri, const char *fmt, va_list ap ) } getout: - UNLOCK(); + UNLOCK; if (sigpipe == 0) sigaction (SIGPIPE, &oldaction, (struct sigaction *) NULL); } -static struct sockaddr SyslogAddr; /* AF_UNIX address of local logger */ /* * OPENLOG -- open system log */ void openlog( const char *ident, int logstat, int logfac ) { - LOCK(); + LOCK; if (ident != NULL) LogTag = ident; @@ -301,7 +276,7 @@ openlog( const char *ident, int logstat, int logfac ) sizeof(SyslogAddr.sa_data)); if (LogStat & LOG_NDELAY) { if ((LogFile = socket(AF_UNIX, SOCK_STREAM, 0)) == -1){ - UNLOCK(); + UNLOCK; return; } /* fcntl(LogFile, F_SETFD, 1); */ @@ -318,7 +293,7 @@ openlog( const char *ident, int logstat, int logfac ) #endif connected = 1; - UNLOCK(); + UNLOCK; } /* @@ -336,10 +311,10 @@ int setlogmask(int pmask) int omask; omask = LogMask; - LOCK(); + LOCK; if (pmask != 0) LogMask = pmask; - UNLOCK(); + UNLOCK; return (omask); } |