--- glibc-2.1.3/misc/syslog.c.ORG	Thu Feb 20 14:54:24 2003
+++ glibc-2.1.3/misc/syslog.c	Thu Feb 20 15:15:58 2003
@@ -63,6 +63,17 @@
 # define ftell(s) _IO_ftell (s)
 #endif
 
+#define SINA_SYSLOG_CORRECT_DGRAM  1
+#define SINA_SYSLOG_SUPPORT_ASYNC  1
+
+#ifdef SINA_SYSLOG_CORRECT_DGRAM
+static char sinaoptions[] = "SINA_SYSLOG_CORRECT_DGRAM";
+#endif /* SINA_SYSLOG_CORRECT_DGRAM */
+#ifdef SINA_SYSLOG_SUPPORT_ASYNC
+static char sinaoptions1[] = "SINA_SYSLOG_SUPPORT_ASYNC";
+#define SINASYSLOGASYNC "SINASYSLOGASYNC"
+#endif /* SINA_SYSLOG_SUPPORT_ASYNC */
+
 static int	LogType = SOCK_DGRAM;	/* type of socket connection */
 static int	LogFile = -1;		/* fd for log */
 static int	connected;		/* have done connect */
@@ -124,6 +135,9 @@
 	struct sigaction *oldaction_ptr = NULL;
  	int sigpipe;
 	int saved_errno = errno;
+#ifdef SINA_SYSLOG_SUPPORT_ASYNC
+    int send_flags = 0;
+#endif
 
 #define	INTERNALLOG	LOG_ERR|LOG_CONS|LOG_PERROR|LOG_PID
 	/* Check for invalid bits. */
@@ -214,7 +228,13 @@
 	if (LogType == SOCK_STREAM)
 	  ++bufsize;
 
+#ifdef SINA_SYSLOG_SUPPORT_ASYNC
+	if (getenv(SINASYSLOGASYNC)) send_flags = MSG_DONTWAIT;
+	if (!connected || __send(LogFile, buf, bufsize, send_flags) < 0)
+#else
 	if (!connected || __send(LogFile, buf, bufsize, 0) < 0)
+#endif /* SINA_SYSLOG_SUPPORT_ASYNC */
+
 	  {
 	    closelog_internal ();	/* attempt re-open next time */
 	    /*
@@ -276,8 +296,15 @@
 				if (LogType == SOCK_DGRAM
 				    && saved_errno == EPROTOTYPE)
 				{
+
+#ifdef SINA_SYSLOG_CORRECT_DGRAM
+					/* NO NO NO retry with next SOCK_STREAM: */
+					LogType = SOCK_DGRAM;
+#else
 					/* retry with next SOCK_STREAM: */
 					LogType = SOCK_STREAM;
+#endif /* SINA_SYSLOG_CORRECT_DGRAM */
+
 					__set_errno (old_errno);
 					continue;
 				}