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authorCorinna Vinschen <corinna@vinschen.de>2003-11-21 21:10:49 +0300
committerCorinna Vinschen <corinna@vinschen.de>2003-11-21 21:10:49 +0300
commit4bd6628553506745bfa6c738658fecb0d2b40065 (patch)
tree104662913c7d0721015fe643ee2a58413937b99a /winsup/cygserver
parente74c79a870eee701b1f10e78649ad3762904b780 (diff)
* Makefile.in (install): Explicitely create directories. Install
README to $(prefix)/share/doc/Cygwin. * README: New file.
Diffstat (limited to 'winsup/cygserver')
-rw-r--r--winsup/cygserver/ChangeLog6
-rw-r--r--winsup/cygserver/Makefile.in9
-rw-r--r--winsup/cygserver/README210
3 files changed, 223 insertions, 2 deletions
diff --git a/winsup/cygserver/ChangeLog b/winsup/cygserver/ChangeLog
index 339fc4385..f32817e69 100644
--- a/winsup/cygserver/ChangeLog
+++ b/winsup/cygserver/ChangeLog
@@ -1,5 +1,11 @@
2003-11-21 Corinna Vinschen <corinna@vinschen.de>
+ * Makefile.in (install): Explicitely create directories. Install
+ README to $(prefix)/share/doc/Cygwin.
+ * README: New file.
+
+2003-11-21 Corinna Vinschen <corinna@vinschen.de>
+
* cygserver.cc (print_usage): Fix scrambled output.
2003-11-20 Corinna Vinschen <corinna@vinschen.de>
diff --git a/winsup/cygserver/Makefile.in b/winsup/cygserver/Makefile.in
index b587d0be5..d76b47155 100644
--- a/winsup/cygserver/Makefile.in
+++ b/winsup/cygserver/Makefile.in
@@ -48,10 +48,15 @@ CYGWIN_OBJS:=$(cygwin_build)/smallprint.o $(cygwin_build)/version.o \
all: cygserver.exe
-install: all cygserver.conf cygserver-config
+install: all $(updir1)/mkinstalldirs cygserver.conf cygserver-config README
+ $(updir1)/mkinstalldirs $(sbindir)
+ $(updir1)/mkinstalldirs $(bindir)
+ $(updir1)/mkinstalldirs $(sysconfdir)/defaults/etc
+ $(updir1)/mkinstalldirs $(prefix)/share/doc/Cygwin
$(INSTALL_PROGRAM) cygserver.exe $(sbindir)/cygserver.exe
- $(INSTALL_PROGRAM) cygserver-config $(bindir)/cygserver-config
+ $(INSTALL_PROGRAM) $(srcdir)/cygserver-config $(bindir)/cygserver-config
$(INSTALL_DATA) $(srcdir)/cygserver.conf $(sysconfdir)/defaults/etc/cygserver.conf
+ $(INSTALL_DATA) $(srcdir)/README $(prefix)/share/doc/Cygwin/cygserver.README
clean:
rm -f $(OBJS) ${patsubst %.o,%.d,$(OBJS)} cygserver.exe
diff --git a/winsup/cygserver/README b/winsup/cygserver/README
new file mode 100644
index 000000000..209953147
--- /dev/null
+++ b/winsup/cygserver/README
@@ -0,0 +1,210 @@
+What is Cygserver?
+
+ Cygserver is a program which is designed to run as a background service.
+ It provides Cygwin applications with services which require security
+ arbitration or which need to persist while no other cygwin application
+ is running.
+
+ The implemented services so far are:
+
+ - Control slave tty/pty handle dispersal from tty owner to other
+ processes without compromising the owner processes' security.
+ - XSI IPC Message Queues.
+ - XSI IPC Semaphores.
+ - XSI IPC Shared Memory.
+
+
+Cygserver command line options:
+
+ Options to Cygserver take the normal UNIX-style `-X' or `--longoption' form.
+ Nearly all options have a counterpart in the configuration file (see below)
+ so setting them on the command line isn't really necessary. Command line
+ options override settings from the Cygserver configuration file.
+
+ The one-character options are prepended by a single dash, the long variants
+ are prepended with two dashes. Arguments to options are marked in angle
+ brackets below. These are not part of the actual syntax but are used only to
+ denote the arguments. Note that all arguments are required. Cygserver
+ has no options with optional arguments.
+
+ The options recognized are:
+
+ -f, --config-file <file>
+
+ Use <file> as configuration file instead of the default configuration
+ line. The default configuration file is /etc/cygserver.conf, typically.
+ The --help and --version options will print the default configuration
+ pathname.
+
+ This option has no counterpart in the configuration file, for obvious
+ reasons.
+
+ -c, --cleanup-threads <num>
+
+ Number of threads started to perform cleanup tasks. Default is 2.
+ Configuration file option: kern.srv.cleanup_threads
+
+ -r, --request-threads <num>
+
+ Number of threads started to serve application requests. Default is 10.
+ The -c and -r options can be used to play with Cygserver's performance
+ under heavy load conditions or on slow machines.
+ Configuration file option: kern.srv.request_threads
+
+ -d, --debug
+
+ Log debug messages to stderr. These will clutter your stderr output with
+ a lot of information, typically only useful to developers.
+
+ -e, --stderr
+
+ Force logging to stderr. This is the default if stderr is connected to
+ a tty. Otherwise, the default is logging to the system log. By using
+ the -e, -E, -y, -Y options (or the appropriate settings in the
+ configuration file), you can explicitely set the logging output as you
+ like, even to both, stderr and syslog.
+ Configuration file option: kern.log.stderr
+
+ -E, --no-stderr
+
+ Don't log to stderr. Configuration file option: kern.log.stderr
+
+ -y, --syslog
+
+ Force logging to the system log. This is the default, if stderr is not
+ connected to a tty, e. g. redirected to a file. Note, that on 9x/Me
+ systems the syslog is faked by a file C:\CYGWIN_SYSLOG.TXT.
+ Configuration file option: kern.log.syslog
+
+ -Y, --no-syslog
+
+ Don't log to syslog. Configuration file option: kern.log.syslog
+
+ -l, --log-level <level>
+
+ Set the verbosity level of the logging output. Valid values are between
+ 1 and 7. The default level is 6, which is relatively chatty. If you set
+ it to 1, you will get only messages which are printed under severe conditions,
+ which will result in stopping Cygserver itself.
+ Configuration file option: kern.log.level
+
+ -m, --no-sharedmem
+
+ Don't start XSI IPC Shared Memory support. If you don't need XSI IPC
+ Shared Memory support, you can switch it off here.
+ Configuration file option: kern.srv.sharedmem
+
+ -q, --no-msgqueues
+
+ Don't start XSI IPC Message Queues.
+ Configuration file option: kern.srv.msgqueues
+
+ -s, --no-semaphores
+
+ Don't start XSI IPC Semaphores.
+ Configuration file option: kern.srv.semaphores
+
+ -S, --shutdown
+
+ Shutdown a running daemon and exit. Other methods are sending a SIGHUP
+ to the Cygserver PID or, if running as service under NT, calling
+ `net stop cygserver' or `cygrunsrv -E cygserver'.
+
+ -h, --help
+
+ Output usage information and exit.
+
+ -v, --version
+
+ Output version information and exit.
+
+
+How to start Cygserver:
+
+ Before you run Cygserver for the first time, you should run the
+ /usr/bin/cygserver-config script once. It creates the default
+ configuration file and, upon request, installs Cygserver as service
+ when running under NT. The script only performs a default install,
+ with no further options given to Cygserver when running as service.
+ Due to the wide configurability by changing the configuration file,
+ that's typically not necessary.
+
+ On Windows 9x/Me, just start Cygserver in any console window. It's
+ advisable to redirect stderr to a file of choice (e. g.
+ /var/log/cygserver.log) and to use the -e and -Y options or the
+ set the appropriate settings in the configuration file (see below).
+
+ On Windows NT/2000/XP or 2003, you should always run Cygserver as a
+ service under LocalSystem account. This is the way it is installed
+ for you by the /usr/bin/cygserver-config script.
+
+
+How to use the Cygserver services:
+
+ The Cygserver services are used by Cygwin applications only if you
+ set the environment variable CYGWIN to contain the string "server".
+ You must do this before starting the application.
+
+ Typically, you don't need any other option, so it's ok to set CYGWIN
+ just to "server". It is not necessary to set the CYGWIN environment
+ variable prior to starting the Cygserver process itself, but it won't
+ hurt to do so.
+
+ The easiest way is to set the environment variable CYGWIN to the values
+ you want in the Windows system environment and to reboot the machine.
+ This is advisable, since it allows you to set the variable once and
+ then forget about it. It also ensures that services as well as desktop
+ applications have the same setting.
+
+ If you don't want that for whatever reason, you can set the
+ variable in the /cygwin.bat file which is used in the net distribution,
+ to start a Cygwin bash from the desktop. In that file, you can set
+ the CYGWIN variable using Windows command line interpreter syntax, e. g.:
+
+ set CYGWIN=server
+
+ If you don't set CYGWIN in the system environment, but you're running
+ other Cygwin services, these services need to get that CYGWIN value by
+ setting the environment using the appropriate cygrunsrv option '-e' when
+ installing the service. Example installing a service 'foo':
+
+ cygrunsrv -I foo -p /usr/sbin/foo -e "CYGWIN=server"
+
+
+The Cygserver configuration file:
+
+ Cygserver has many options, which allow to customize the server
+ to your needs. Customization is accomplished by editing the configuration
+ file, which is by default /etc/cygserver.conf. This file is read only
+ once on startup of Cygserver. There's no option to re-read the file on
+ runtime by, say, sending a signal to Cygserver.
+
+ The configuration file determines how Cygserver operates. There are
+ options which set the number of threads running in parallel, options
+ for setting how and what to log and options to set various maximum
+ values for the IPC services.
+
+ The default configuration file delivered with Cygserver is installed
+ to /etc/defaults/etc. The /usr/bin/cygserver-config script copies it to
+ /etc, giving you the option to overwrite an already existing file or to
+ leave it alone. Therefore, the /etc file is safe to be changed by you,
+ since it will not be overwritten by a later update installation.
+
+ The default configuration file contains many comments which describe
+ everything needed to understand the settings. A comment at the start of the
+ file describes the syntax rules for the file. The default options are shown
+ in the file but are commented out.
+
+ It is generally a good idea to uncomment only options which you intend to
+ change from the default values. Since reading the options file on Cygserver
+ startup doesn't take much time, it's also considered good practice to keep
+ all other comments in the file. This keeps you from searching for clues
+ in other sources.
+
+
+If you have problems with Cygserver, or you have found a bug, or you
+think you have found a bug, or you don't understand configuration file
+options, the mailing list <cygwin@cygwin.com> is the right place to ask
+questions.
+
+Have fun!