added Readme and updated manpage

2 files changed, 63 insertions, 6 deletions

diff --git a/doc/dropnroll.8 b/doc/dropnroll.8
index 76f8f81..2120d14 100644
--- a/doc/dropnroll.8
+++ b/doc/dropnroll.8
@@ -2,12 +2,12 @@
 .\"     Title: dropnroll
 .\"    Author: [see the "AUTHORS" section]
 .\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
-.\"      Date: 09/16/2015
+.\"      Date: 09/20/2015
 .\"    Manual: \ \&
 .\"    Source: \ \&
 .\"  Language: English
 .\"
-.TH "DROPNROLL" "8" "09/16/2015" "\ \&" "\ \&"
+.TH "DROPNROLL" "8" "09/20/2015" "\ \&" "\ \&"
 .\" -----------------------------------------------------------------
 .\" * Define some portability stuff
 .\" -----------------------------------------------------------------
@@ -40,9 +40,11 @@ dropnroll \- drop\*(Aqn\*(Aqroll daemon
   [ \fB\-C|\-\-chroot\fR <path> ]
   [ \fB\-P|\-\-write\-pid\fR <filename> ]
   [ \fB\-L|\-\-log\fR <target>:<level>[,<param1>[,<param2>[\&.\&.]]] ]
+  [ \fB\-U|\-\-debug\fR ]
   [ \fB\-s|\-\-command\-sock\fR <unix sock> ]
   [ \fB\-x|\-\-script\fR <script> ]
   [ \fB\-m|\-\-max\-children\fR <#of children> ]
+  [ \fB\-p|\-\-children\-policy\fR (defer|drop|kill\-oldest) ]
   [ \fB\-d|\-\-dir\fR <path> ]
 .fi
 .SH "DESCRIPTION"
@@ -114,10 +116,23 @@ log to standard error, parameters <level>
 .RE
 .RE
 .PP
+\fB\-U, \-\-debug\fR
+.RS 4
+This option instructs
+\fBdropnroll\fR
+to run in debug mode\&. It implicits
+\fB\-D\fR
+(don\(cqt daemonize) and adds a log target with the configuration
+\fIstdout:5\fR
+(logging with maximum level)\&. In future releases there might be additional output when this option is supplied\&.
+.RE
+.PP
 \fB\-s|\-\-command\-sock \fR\fB\fI<unix sock>\fR\fR
 .RS 4
 \fBdropnroll\fR
-will listen on this unix socket for incoming commands\&. See next chapter for details\&. The default is /var/run/dropnroll/cmd\&.sock
+will listen on this unix socket for incoming commands\&. See next chapter for details\&. If there are directories specified using the
+\fB\-\-dir\fR
+option and this is kept empty the command socket is deactivated\&. If no directories are added it defaults to /var/run/dropnroll/cmd\&.sock
 .RE
 .PP
 \fB\-x|\-\-script \fR\fB\fI<script>\fR\fR
@@ -146,6 +161,31 @@ Limits the total concurrent executions of
 \fB\-x|\-\-script\fR\&. A value of 0 means no limit\&.
 .RE
 .PP
+\fB\-p|\-\-children\-policy \fR\fB\fI(defer|drop|kill\-oldest)\fR\fR
+.RS 4
+Specifies what
+\fBdropnroll\fR
+should do when the client limit has been reached:
+.PP
+\fIdefer\fR
+.RS 4
+defer the execution of
+\fB\-\-script\fR
+until the number of children is below the limit
+.RE
+.PP
+\fIdrop\fR
+.RS 4
+ingore the new file and don\(cqt call
+\fB\-\-script\fR
+.RE
+.PP
+\fIkill\-oldest\fR
+.RS 4
+kill the oldest child (using SIGKILL)
+.RE
+.RE
+.PP
 \fB\-d|\-\-dir \fR\fB\fI<path>\fR\fR
 .RS 4
 Add
@@ -183,7 +223,7 @@ Remove the path from the list of directories\&. If the command succeds nothing i
 Returns the complete list of all directories of the watch list\&.
 .RE
 .PP
-\fBlisten [request|status|none]\fR
+\fBlisten (request|status|none)\fR
 .RS 4
 Add the client to the status and or request listeners\&. When no parameter is passed to this command the client listens to all messages\&. A status listener gets a list of all directories whenever somebody else adds or removes a path to the watch list\&. It also receives the list when somebody sends a status command to the daemon\&. A request listener also receives add and remove requests by other clients connected to the command interface\&.
 .RE
diff --git a/doc/dropnroll.8.txt b/doc/dropnroll.8.txt
index e9e4b86..0a8993d 100644
--- a/doc/dropnroll.8.txt
+++ b/doc/dropnroll.8.txt
@@ -19,9 +19,11 @@ dropnroll
   [ -C|--chroot <path> ]
   [ -P|--write-pid <filename> ]
   [ -L|--log <target>:<level>[,<param1>[,<param2>[..]]] ]
+  [ -U|--debug ]
   [ -s|--command-sock <unix sock> ]
   [ -x|--script <script> ]
   [ -m|--max-children <#of children> ]
+  [ -p|--children-policy (defer|drop|kill-oldest) ]
   [ -d|--dir <path> ]
 ....
 
@@ -76,9 +78,17 @@ The following options can be passed to the *dropnroll* daemon:
    'stdout';; log to standard output, parameters <level>
    'stderr';; log to standard error, parameters <level>
 
+*-U, --debug*::
+   This option instructs *dropnroll* to run in debug mode. It implicits *-D*
+   (don't daemonize) and adds a log target with the configuration
+   'stdout:5' (logging with maximum level). In future releases there might
+   be additional output when this option is supplied.
+
 *-s|--command-sock '<unix sock>'*::
    *dropnroll* will listen on this unix socket for incoming commands. See next
-   chapter for details. The default is /var/run/dropnroll/cmd.sock
+   chapter for details. If there are directories specified using the *--dir*
+   option and this is kept empty the command socket is deactivated. If no directories
+   are added it defaults to /var/run/dropnroll/cmd.sock
 
 *-x|--script '<script>'*::
    The script which should be called when a new file is found. The following parameter
@@ -94,6 +104,13 @@ The following options can be passed to the *dropnroll* daemon:
 *-m|--max-children '<#of children>'*::
    Limits the total concurrent executions of *-x|--script*. A value of 0 means no limit.
 
+*-p|--children-policy '(defer|drop|kill-oldest)'*::
+   Specifies what *dropnroll* should do when the client limit has been reached:
+
+   'defer';; defer the execution of *--script* until the number of children is below the limit
+   'drop';; ingore the new file and don't call *--script*
+   'kill-oldest';; kill the oldest child (using SIGKILL)
+
 *-d|--dir '<path>'*::
    Add '<path>' to the watch list. This can be invoked serveral times.
 
@@ -120,7 +137,7 @@ All commands have to end with '\n'. The following commands are supported:
 *status*::
    Returns the complete list of all directories of the watch list.
 
-*listen [request|status|none]*::
+*listen (request|status|none)*::
    Add the client to the status and or request listeners. When no parameter is passed to
    this command the client listens to all messages.
    A status listener gets a list of all directories whenever somebody else adds or removes