The syslog_daemon now ignores zero length messages, and the kernel's syslog

mechanism doesn't send them out any longer.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@16153 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/system/kernel/debug/debug.c

@@ -431,6 +431,12 @@ syslog_sender(void *data)
 				restore_interrupts(state);
 			}
 
+			if (length == 0) {
+				// the buffer we came here for might have been sent already
+				bufferPending = false;
+				continue;
+			}
+
 			error = write_port_etc(port, SYSLOG_MESSAGE, sSyslogMessage,
 				sizeof(struct syslog_message) + length, B_RELATIVE_TIMEOUT, 0);