r1994 - in packages: . libfcgi-procmanager-perl libfcgi-procmanager-perl/branches libfcgi-procmanager-perl/branches/upstream libfcgi-procmanager-perl/branches/upstream/current libfcgi-procmanager-perl/branches/upstream/current/t

Krzysztof Krzyzaniak eloy at costa.debian.org
Wed Jan 18 12:22:53 UTC 2006


Author: eloy
Date: 2006-01-18 12:22:26 +0000 (Wed, 18 Jan 2006)
New Revision: 1994

Added:
   packages/libfcgi-procmanager-perl/
   packages/libfcgi-procmanager-perl/branches/
   packages/libfcgi-procmanager-perl/branches/upstream/
   packages/libfcgi-procmanager-perl/branches/upstream/current/
   packages/libfcgi-procmanager-perl/branches/upstream/current/COPYING
   packages/libfcgi-procmanager-perl/branches/upstream/current/ChangeLog
   packages/libfcgi-procmanager-perl/branches/upstream/current/MANIFEST
   packages/libfcgi-procmanager-perl/branches/upstream/current/MANIFEST.SKIP
   packages/libfcgi-procmanager-perl/branches/upstream/current/Makefile.PL
   packages/libfcgi-procmanager-perl/branches/upstream/current/ProcManager.pm
   packages/libfcgi-procmanager-perl/branches/upstream/current/README
   packages/libfcgi-procmanager-perl/branches/upstream/current/TODO
   packages/libfcgi-procmanager-perl/branches/upstream/current/t/
   packages/libfcgi-procmanager-perl/branches/upstream/current/t/exporter.t
   packages/libfcgi-procmanager-perl/branches/upstream/current/t/procmanager.t
   packages/libfcgi-procmanager-perl/tags/
Log:
[svn-inject] Installing original source of libfcgi-procmanager-perl

Added: packages/libfcgi-procmanager-perl/branches/upstream/current/COPYING
===================================================================
--- packages/libfcgi-procmanager-perl/branches/upstream/current/COPYING	2006-01-17 12:59:40 UTC (rev 1993)
+++ packages/libfcgi-procmanager-perl/branches/upstream/current/COPYING	2006-01-18 12:22:26 UTC (rev 1994)
@@ -0,0 +1,515 @@
+
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Added: packages/libfcgi-procmanager-perl/branches/upstream/current/ChangeLog
===================================================================
--- packages/libfcgi-procmanager-perl/branches/upstream/current/ChangeLog	2006-01-17 12:59:40 UTC (rev 1993)
+++ packages/libfcgi-procmanager-perl/branches/upstream/current/ChangeLog	2006-01-18 12:22:26 UTC (rev 1994)
@@ -0,0 +1,122 @@
+2001-04-23 18:12  James Jurach  <muaddib at erf.net>
+
+	* ProcManager.pm: SIGHUP handler now issues SIGTERM to children but
+	then proceeds normally. added documentation blurb about signal
+	handling. we now use POSIX::sigaction() to avoid SA_RESTART during
+	certain regions. added re-usable POSIX::SigAction members to toggle
+	SA_RESTART. added sig_sub() -- necessary to pass name to
+	POSIX::SigAction creation. 
+
+	* README: added small blurb to consult FCGI::ProcManager
+	documentation. 
+
+	* t/exporter.t:
+	* t/procmanager.t: fixed pm_manage() test.
+
+2001-03-13 18:12  James Jurach  <muaddib at erf.net>
+
+	* ProcManager.pm: removed check for FCGI_ROLE.	now more
+	transparent when undesired.
+
+	* ProcManager.pm: detect when no FastCGI environment exists.
+
+	* ProcManager.pm: only warn and sleep -- do not abort on fork
+	failure.
+
+	* ProcManager.pm: now, we give notification to which processes we
+	send a TERM signal.
+
+2001-02-09 10:16  James Jurach  <muaddib at erf.net>
+
+	* t/: exporter.t, procmanager.t: made it easier to manage
+	sample_request_loop() for testing.
+
+	* ProcManager.pm: modified some error messages.  added immediate
+	notify of manager signal.
+
+	* ProcManager.pm: added more documentation.  renamed
+	pm_reap_server() to pm_wait().	fixed problem when ! MANAGER_PID
+	that caused server to die immediately we now delete list of child
+	PIDs from each child.  added mechanism to pm_exit() to send a
+	SIGKILL to any remaining children.
+
+2001-01-31 01:13  James Jurach  <muaddib at erf.net>
+
+	* README: more documentation
+
+	* ProcManager.pm: re-organized method layout.  separated manager
+	vs. server vs. common moved more intialization into managing_init()
+	and handling_init() created pm_die() to be called when manager
+	should die.  cleaned up error messages and notifications.
+
+	* t/: exporter.t, procmanager.t: revised test messages
+
+2001-01-30 16:35  James Jurach  <muaddib at erf.net>
+
+	* t/: exporter.t, procmanager.t: removed call to pm_state()
+
+	* ProcManager.pm: removed sleep() call after testing
+	signal-during-fork-loop
+
+2001-01-30 12:49  James Jurach  <muaddib at erf.net>
+
+	* ProcManager.pm: Cleaned up pm_manage().  removed signal
+	registration routines.	replaced by direct %SIG access.  there is
+	now a manager signal handler and a handler signal handler.  added
+	checks to die when getppid() changes.
+
+2001-01-20 02:06  James Jurach  <muaddib at erf.net>
+
+	* MANIFEST: removed Changes from MANIFEST
+
+2001-01-13 00:44  James Jurach  <muaddib at erf.net>
+
+	* t/procmanager.t: corrected various recent method name changes. 
+	removed calls to want_to_die().  added request loop hooks to
+	pm_pre_dispatch(), pm_post_dispatch().	renamed sample_handler() to
+	sample_request_loop().
+
+	* ProcManager.pm: renamed request loop hooks to pm_pre_dispatch(),
+	pm_post_dispatch().  when pm_manage() is called with
+	n_processes==0, return through goto.  renamed pre_manage_init() to
+	managing_init().  renamed post_manage_init() to handling_init(). 
+	added received_signal() to remember that a signal was received. 
+	signal handler simpler: now only notes signal and propagates
+	signal.
+
+	* t/exporter.t: this uses non-OO calling mode.
+
+	* MANIFEST: added t/exporter.t.
+
+	* Changes: ChangeLog is where per-file changes are listed.
+
+2000-12-22 05:58  James Jurach  <muaddib at erf.net>
+
+	* ProcManager.pm: corrected logic error in self_or_default(). 
+	changed all occurances of write_pid_file() to pm_write_pid_file(). 
+	changed all occurances of remove_pid_file() to
+	pm_remove_pid_file().
+
+2000-12-14 17:54  James Jurach  <muaddib at erf.net>
+
+	* ProcManager.pm: corrected state() -> pm_state() method call.
+
+2000-12-10 17:25  James Jurach  <muaddib at erf.net>
+
+	* ProcManager.pm: corrected some method renaming issues.
+
+2000-12-09 19:48  James Jurach  <muaddib at erf.net>
+
+	* t/procmanager.t: effected the changes to these subroutine names.
+
+	* ProcManager.pm: made this module OO/Exporter hybrid.	removed
+	treatment of $ENV{PROCMANAGER_PROCESSES} from constructor.  changed
+	several subroutine names.
+
+2000-12-05 22:23  James Jurach  <muaddib at erf.net>
+
+	* ProcManager.pm: made SIGHUP's do what SIGTERM's do
+
+2000-11-20  James Jurach  <muaddib at erf.net>
+
+	* Released first public version.

Added: packages/libfcgi-procmanager-perl/branches/upstream/current/MANIFEST
===================================================================
--- packages/libfcgi-procmanager-perl/branches/upstream/current/MANIFEST	2006-01-17 12:59:40 UTC (rev 1993)
+++ packages/libfcgi-procmanager-perl/branches/upstream/current/MANIFEST	2006-01-18 12:22:26 UTC (rev 1994)
@@ -0,0 +1,10 @@
+COPYING
+MANIFEST
+MANIFEST.SKIP
+ChangeLog
+Makefile.PL
+ProcManager.pm
+README
+TODO
+t/procmanager.t
+t/exporter.t

Added: packages/libfcgi-procmanager-perl/branches/upstream/current/MANIFEST.SKIP
===================================================================
--- packages/libfcgi-procmanager-perl/branches/upstream/current/MANIFEST.SKIP	2006-01-17 12:59:40 UTC (rev 1993)
+++ packages/libfcgi-procmanager-perl/branches/upstream/current/MANIFEST.SKIP	2006-01-18 12:22:26 UTC (rev 1994)
@@ -0,0 +1,4 @@
+Entries
+Root
+Repository
+Makefile

Added: packages/libfcgi-procmanager-perl/branches/upstream/current/Makefile.PL
===================================================================
--- packages/libfcgi-procmanager-perl/branches/upstream/current/Makefile.PL	2006-01-17 12:59:40 UTC (rev 1993)
+++ packages/libfcgi-procmanager-perl/branches/upstream/current/Makefile.PL	2006-01-18 12:22:26 UTC (rev 1994)
@@ -0,0 +1,22 @@
+# -*- perl -*-
+# Copyright (c) 2000, FundsXpress Financial Network, Inc.
+# This library is free software released "AS IS WITH ALL FAULTS"
+# and WITHOUT ANY WARRANTIES under the terms of the GNU Lesser
+# General Public License, Version 2.1, a copy of which can be
+# found in the "COPYING" file of this distribution.
+
+# $Id: Makefile.PL,v 1.2 2000/11/10 01:09:41 muaddib Exp $
+
+require 5.004;
+use strict;
+use ExtUtils::MakeMaker;
+
+WriteMakefile
+  (NAME         => 'FCGI::ProcManager',
+   VERSION_FROM => 'ProcManager.pm',   # finds $VERSION
+   DISTNAME     => 'FCGI-ProcManager',
+   ($] >= 5.005 ?
+    (ABSTRACT   => 'A perl-based FastCGI process manager',
+     AUTHOR     => 'James E Jurach (muaddib at erf.net)') : ()),
+   dist         => { COMPRESS => 'gzip', SUFFIX => 'gz' }
+  );

Added: packages/libfcgi-procmanager-perl/branches/upstream/current/ProcManager.pm
===================================================================
--- packages/libfcgi-procmanager-perl/branches/upstream/current/ProcManager.pm	2006-01-17 12:59:40 UTC (rev 1993)
+++ packages/libfcgi-procmanager-perl/branches/upstream/current/ProcManager.pm	2006-01-18 12:22:26 UTC (rev 1994)
@@ -0,0 +1,730 @@
+package FCGI::ProcManager;
+
+# Copyright (c) 2000, FundsXpress Financial Network, Inc.
+# This library is free software released under the GNU Lesser General
+# Public License, Version 2.1.  Please read the important licensing and
+# disclaimer information included below.
+
+# $Id: ProcManager.pm,v 1.23 2001/04/23 16:10:11 muaddie Exp $
+
+use strict;
+use Exporter;
+use POSIX qw(:signal_h);
+
+use vars qw($VERSION @ISA @EXPORT_OK %EXPORT_TAGS $Q $SIG_CODEREF);
+BEGIN {
+  $VERSION = '0.17'; 
+  @ISA = qw(Exporter);
+  @EXPORT_OK = qw(pm_manage pm_die pm_wait
+		  pm_write_pid_file pm_remove_pid_file
+		  pm_pre_dispatch pm_post_dispatch
+  		  pm_change_process_name pm_received_signal pm_parameter 
+		  pm_warn pm_notify pm_abort pm_exit
+		  $SIG_CODEREF);
+  $EXPORT_TAGS{all} = \@EXPORT_OK;
+  $FCGI::ProcManager::Default = 'FCGI::ProcManager';
+}
+
+=head1 NAME
+
+ FCGI::ProcManager - functions for managing FastCGI applications.
+
+=head1 SYNOPSIS
+
+{
+ # In Object-oriented style.
+ use CGI::Fast;
+ use FCGI::ProcManager;
+ my $proc_manager = FCGI::ProcManager->new({
+	n_processes => 10 
+ });
+ $proc_manager->pm_manage();
+ while (my $cgi = CGI::Fast->new()) {
+   $proc_manager->pm_pre_dispatch();
+   # ... handle the request here ...
+   $proc_manager->pm_post_dispatch();
+ }
+
+ # This style is also supported:
+ use CGI::Fast;
+ use FCGI::ProcManager qw(pm_manage pm_pre_dispatch 
+			  pm_post_dispatch);
+ pm_manage( n_processes => 10 );
+ while (my $cgi = CGI::Fast->new()) {
+   pm_pre_dispatch();
+   #...
+   pm_post_dispatch();
+ }
+
+=head1 DESCRIPTION
+
+FCGI::ProcManager is used to serve as a FastCGI process manager.  By
+re-implementing it in perl, developers can more finely tune performance in
+their web applications, and can take advantage of copy-on-write semantics
+prevalent in UNIX kernel process management.  The process manager should
+be invoked before the caller''s request loop
+
+The primary routine, C<pm_manage>, enters a loop in which it maintains a
+number of FastCGI servers (via fork(2)), and which reaps those servers
+when they die (via wait(2)).
+
+C<pm_manage> provides too hooks:
+
+ C<managing_init> - called just before the manager enters the manager loop.
+ C<handling_init> - called just before a server is returns from C<pm_manage>
+
+It is necessary for the caller, when implementing its request loop, to
+insert a call to C<pm_pre_dispatch> at the top of the loop, and then
+7C<pm_post_dispatch> at the end of the loop.
+
+=head2 Signal Handling
+
+FCGI::ProcManager attempts to do the right thing for proper shutdowns now.
+
+When it receives a SIGHUP, it sends a SIGTERM to each of its children, and
+then resumes its normal operations.   
+
+When it receives a SIGTERM, it sends a SIGTERM to each of its children, sets
+an alarm(3) "die timeout" handler, and waits for each of its children to
+die.  If all children die before this timeout, process manager exits with
+return status 0.  If all children do not die by the time the "die timeout"
+occurs, the process manager sends a SIGKILL to each of the remaining
+children, and exists with return status 1.
+
+In order to get FastCGI servers to exit upon receiving a signal, it is
+necessary to use its FAIL_ACCEPT_ON_INTR.  See FCGI.pm's description of
+FAIL_ACCEPT_ON_INTR.  Unfortunately, if you want/need to use CGI::Fast, it
+appears currently necessary to modify your installation of FCGI.pm, with
+something like the following:
+
+ -*- patch -*-
+ --- FCGI.pm     2001/03/09 01:44:00     1.1.1.3
+ +++ FCGI.pm     2001/03/09 01:47:32     1.2
+ @@ -24,7 +24,7 @@
+  *FAIL_ACCEPT_ON_INTR = sub() { 1 };
+  
+  sub Request(;***$$$) {
+ -    my @defaults = (\*STDIN, \*STDOUT, \*STDERR, \%ENV, 0, 0);
+ +    my @defaults = (\*STDIN, \*STDOUT, \*STDERR, \%ENV, 0, FAIL_ACCEPT_ON_INTR());
+      splice @defaults,0, at _, at _;
+      RequestX(@defaults);
+  }   
+ -*- end patch -*-
+
+Otherwise, if you don't, there is a loop around accept(2) which prevents
+os_unix.c OS_Accept() from returning the necessary error when FastCGI
+servers blocking on accept(2) receive the SIGTERM or SIGHUP.
+
+FCGI::ProcManager uses POSIX::sigaction() to override the default SA_RESTART
+policy used for perl's %SIG behavior.  Specifically, the process manager
+never uses SA_RESTART, while the child FastCGI servers turn off SA_RESTART
+around the accept(2) loop, but re-enstate it otherwise.
+
+The desired (and implemented) effect is to give a request as big a chance as
+possible to succeed and to delay their exits until after their request,
+while allowing the FastCGI servers waiting for new requests to die right
+away. 
+
+=head1 METHODS
+
+=head2 new
+
+ class or instance
+ (ProcManager) new([hash parameters])
+
+Constructs a new process manager.  Takes an option has of initial parameter
+values, and assigns these to the constructed object HASH, overriding any
+default values.  The default parameter values currently are:
+
+ role         => manager
+ start_delay  => 0
+ die_timeout  => 60
+
+=cut
+
+sub new {
+  my ($proto,$init) = @_;
+  $init ||= {};
+
+  my $this = { 
+	      role => "manager",
+	      start_delay => 0,
+	      die_timeout => 60,
+	      %$init
+	     };
+  bless $this, ref($proto)||$proto;
+
+  $this->{PIDS} = {};
+
+  # initialize signal constructions.
+  unless ($this->no_signals()) {
+    $this->{sigaction_no_sa_restart} =
+	POSIX::SigAction->new('FCGI::ProcManager::sig_sub');
+    $this->{sigaction_sa_restart} =
+	POSIX::SigAction->new('FCGI::ProcManager::sig_sub',undef,POSIX::SA_RESTART);
+  }
+
+  return $this;
+}
+
+=head1 Manager methods
+
+=head2 pm_manage
+
+ instance or export
+ (int) pm_manage([hash parameters])
+
+DESCRIPTION:
+
+When this is called by a FastCGI script to manage application servers.  It
+defines a sequence of instructions for a process to enter this method and
+begin forking off and managing those handlers, and it defines a sequence of
+instructions to intialize those handlers.
+
+If n_processes < 1, the managing section is subverted, and only the
+handling sequence is executed.
+
+Either returns the return value of pm_die() and/or pm_abort() (which will
+not ever return in general), or returns 1 to the calling script to begin
+handling requests.
+
+=cut
+
+sub pm_manage {
+  my ($this,%values) = self_or_default(@_);
+  map { $this->pm_parameter($_,$values{$_}) } keys %values;
+
+  # skip to handling now if we won't be managing any processes.
+  $this->n_processes() or return;
+
+  # call the (possibly overloaded) management initialization hook.
+  $this->role("manager");
+  $this->managing_init();
+  $this->pm_notify("initialized");
+
+  my $manager_pid = $$;
+
+ MANAGING_LOOP: while (1) {
+
+    # if the calling process goes away, perform cleanup.
+    getppid() == 1 and
+      return $this->pm_die("calling process has died");
+
+    $this->n_processes() > 0 or
+      return $this->pm_die();
+
+    # while we have fewer servers than we want.
+  PIDS: while (keys(%{$this->{PIDS}}) < $this->n_processes()) {
+
+      if (my $pid = fork()) {
+	# the manager remembers the server.
+	$this->{PIDS}->{$pid} = { pid=>$pid };
+        $this->pm_notify("server (pid $pid) started");
+
+      } elsif (! defined $pid) {
+	return $this->pm_abort("fork: $!");
+
+      } else {
+	$this->{MANAGER_PID} = $manager_pid;
+	# the server exits the managing loop.
+	last MANAGING_LOOP;
+      }
+
+      for (my $s = $this->start_delay(); $s; $s = sleep $s) {};
+    }
+
+    # this should block until the next server dies.
+    $this->pm_wait();
+
+  }# while 1
+
+HANDLING:
+
+  # forget any children we had been collecting.
+  delete $this->{PIDS};
+
+  # call the (possibly overloaded) handling init hook
+  $this->role("server");
+  $this->handling_init();
+  $this->pm_notify("initialized");
+
+  # server returns 
+  return 1;
+}
+
+=head2 managing_init
+
+ instance
+ () managing_init()
+
+DESCRIPTION:
+
+Overrideable method which initializes a process manager.  In order to
+handle signals, manage the PID file, and change the process name properly,
+any method which overrides this should call SUPER::managing_init().
+
+=cut
+
+sub managing_init {
+  my ($this) = @_;
+
+  # begin to handle signals.
+  # We do NOT want SA_RESTART in the process manager.
+  # -- we want start the shutdown sequence immediately upon SIGTERM.
+  unless ($this->no_signals()) {
+    sigaction(SIGTERM, $this->{sigaction_no_sa_restart}) or
+	$this->pm_warn("sigaction: SIGTERM: $!");
+    sigaction(SIGHUP,  $this->{sigaction_no_sa_restart}) or
+	$this->pm_warn("sigaction: SIGHUP: $!");
+    $SIG_CODEREF = sub { $this->sig_manager(@_) };
+  }
+
+  # change the name of this process as it appears in ps(1) output.
+  $this->pm_change_process_name("perl-fcgi-pm");
+
+  $this->pm_write_pid_file();
+}
+
+=head2 pm_die
+
+ instance or export
+ () pm_die(string msg[, int exit_status])
+
+DESCRIPTION:
+
+This method is called when a process manager receives a notification to
+shut itself down.  pm_die() attempts to shutdown the process manager
+gently, sending a SIGTERM to each managed process, waiting die_timeout()
+seconds to reap each process, and then exit gracefully once all children
+are reaped, or to abort if all children are not reaped.
+
+=cut
+
+sub pm_die {
+  my ($this,$msg,$n) = self_or_default(@_);
+
+  # stop handling signals.
+  undef $SIG_CODEREF;
+  $SIG{HUP}  = 'DEFAULT';
+  $SIG{TERM} = 'DEFAULT';
+
+  $this->pm_remove_pid_file();
+
+  # prepare to die no matter what.
+  if (defined $this->die_timeout()) {
+    $SIG{ALRM} = sub { $this->pm_abort("wait timeout") };
+    alarm $this->die_timeout();
+  }
+
+  # send a TERM to each of the servers.
+  if (my @pids = keys %{$this->{PIDS}}) {
+    $this->pm_notify("sending TERM to PIDs, @pids");
+    kill "TERM", @pids;
+  }
+
+  # wait for the servers to die.
+  while (%{$this->{PIDS}}) {
+    $this->pm_wait();
+  }
+
+  # die already.
+  $this->pm_exit("dying: ".$msg,$n);
+}
+
+=head2 pm_wait
+
+ instance or export
+ (int pid) pm_wait()
+
+DESCRIPTION:
+
+This calls wait() which suspends execution until a child has exited.
+If the process ID returned by wait corresponds to a managed process,
+pm_notify() is called with the exit status of that process.
+pm_wait() returns with the return value of wait().
+
+=cut
+
+sub pm_wait {
+  my ($this) = self_or_default(@_);
+
+  # wait for the next server to die.
+  next if (my $pid = wait()) < 0;
+
+  # notify when one of our servers have died.
+  delete $this->{PIDS}->{$pid} and
+    $this->pm_notify("server (pid $pid) exited with status $?");
+
+  return $pid;
+}
+
+=head2 pm_write_pid_file
+
+ instance or export
+ () pm_write_pid_file([string filename])
+
+DESCRIPTION:
+
+Writes current process ID to optionally specified file.  If no filename is
+specified, it uses the value of the C<pid_fname> parameter.
+
+=cut
+
+sub pm_write_pid_file {
+  my ($this,$fname) = self_or_default(@_);
+  $fname ||= $this->pid_fname() or return;
+  if (!open PIDFILE, ">$fname") {
+    $this->pm_warn("open: $fname: $!");
+    return;
+  }
+  print PIDFILE "$$\n";
+  close PIDFILE;
+}
+
+=head2 pm_remove_pid_file
+
+ instance or export
+ () pm_remove_pid_file()
+
+DESCRIPTION:
+
+Removes optionally specified file.  If no filename is specified, it uses
+the value of the C<pid_fname> parameter.
+
+=cut
+
+sub pm_remove_pid_file {
+  my ($this,$fname) = self_or_default(@_);
+  $fname ||= $this->pid_fname() or return;
+  my $ret = unlink($fname) or $this->pm_warn("unlink: $fname: $!");
+  return $ret;
+}
+
+=head2 sig_sub
+
+ instance
+ () sig_sub(string name)
+
+DESCRIPTION:
+
+The name of this method is passed to POSIX::sigaction(), and handles signals
+for the process manager.  If $SIG_CODEREF is set, then the input arguments
+to this are passed to a call to that.
+
+=cut
+
+sub sig_sub {
+  $SIG_CODEREF->(@_) if ref $SIG_CODEREF;
+}
+
+=head2 sig_manager
+
+ instance
+ () sig_manager(string name)
+
+DESCRIPTION:
+
+Handles signals of the process manager.  Takes as input the name of signal
+being handled.
+
+=cut
+
+sub sig_manager {
+  my ($this,$name) = @_;
+  if ($name eq "TERM") {
+    $this->pm_notify("received signal $name");
+    $this->pm_die("safe exit from signal $name");
+  } elsif ($name eq "HUP") {
+    # send a TERM to each of the servers, and pretend like nothing happened..
+    if (my @pids = keys %{$this->{PIDS}}) {
+      $this->pm_notify("sending TERM to PIDs, @pids");
+      kill "TERM", @pids;
+    }
+  } else {
+    $this->pm_notify("ignoring signal $name");
+  }
+}
+
+=head1 Handler methods
+
+=head2 handling_init
+
+ instance or export
+ () handling_init()
+
+DESCRIPTION:
+
+=cut
+
+sub handling_init {
+  my ($this) = @_;
+
+  # begin to handle signals.
+  # We'll want accept(2) to return -1(EINTR) on caught signal..
+  unless ($this->no_signals()) {
+    sigaction(SIGTERM, $this->{sigaction_no_sa_restart}) or $this->pm_warn("sigaction: SIGTERM: $!");
+    sigaction(SIGHUP,  $this->{sigaction_no_sa_restart}) or $this->pm_warn("sigaction: SIGHUP: $!");
+    $SIG_CODEREF = sub { $this->sig_handler(@_) };
+  }
+
+  # change the name of this process as it appears in ps(1) output.
+  $this->pm_change_process_name("perl-fcgi");
+}
+
+=head2 pm_pre_dispatch
+
+ instance or export
+ () pm_pre_dispatch()
+
+DESCRIPTION:
+
+=cut
+
+sub pm_pre_dispatch {
+  my ($this) = self_or_default(@_);
+
+  # Now, we want the request to continue unhindered..
+  unless ($this->no_signals()) {
+    sigaction(SIGTERM, $this->{sigaction_sa_restart}) or $this->pm_warn("sigaction: SIGTERM: $!");
+    sigaction(SIGHUP,  $this->{sigaction_sa_restart}) or $this->pm_warn("sigaction: SIGHUP: $!");
+  }
+}
+
+=head2 pm_post_dispatch
+
+ instance or export
+ () pm_post_dispatch()
+
+DESCRIPTION:
+
+=cut
+
+sub pm_post_dispatch {
+  my ($this) = self_or_default(@_);
+  if ($this->pm_received_signal("TERM")) {
+    $this->pm_exit("safe exit after SIGTERM");
+  }
+  if ($this->pm_received_signal("HUP")) {
+    $this->pm_exit("safe exit after SIGHUP");
+  }
+  if ($this->{MANAGER_PID} and getppid() != $this->{MANAGER_PID}) {
+    $this->pm_exit("safe exit: manager has died");
+  }
+  # We'll want accept(2) to return -1(EINTR) on caught signal..
+  unless ($this->no_signals()) {
+    sigaction(SIGTERM, $this->{sigaction_no_sa_restart}) or $this->pm_warn("sigaction: SIGTERM: $!");
+    sigaction(SIGHUP,  $this->{sigaction_no_sa_restart}) or $this->pm_warn("sigaction: SIGHUP: $!");
+  }
+}
+
+=head2 sig_handler
+
+ instance or export
+ () sig_handler()
+
+DESCRIPTION:
+
+=cut
+
+sub sig_handler {
+  my ($this,$name) = @_;
+  $this->pm_received_signal($name,1);
+}
+
+=head1 Common methods and routines
+
+=head2 self_or_default
+
+ private global
+ (ProcManager, @args) self_or_default([ ProcManager, ] @args);
+
+DESCRIPTION:
+
+This is a helper subroutine to acquire or otherwise create a singleton
+default object if one is not passed in, e.g., a method call.
+
+=cut
+
+sub self_or_default {
+  return @_ if defined $_[0] and !ref $_[0] and $_[0] eq 'FCGI::ProcManager';
+  if (!defined $_[0] or (ref($_[0]) ne 'FCGI::ProcManager' and
+			 !UNIVERSAL::isa($_[0],'FCGI::ProcManager'))) {
+    $Q or $Q = $FCGI::ProcManager::Default->new;
+    unshift @_, $Q;
+  }
+  return wantarray ? @_ : $Q;
+}
+
+=head2 pm_change_process_name
+
+ instance or export
+ () pm_change_process_name()
+
+DESCRIPTION:
+
+=cut
+
+sub pm_change_process_name {
+  my ($this,$name) = self_or_default(@_);
+  $0 = $name;
+}
+
+=head2 pm_received_signal
+
+ instance or export
+ () pm_received signal()
+
+DESCRIPTION:
+
+=cut
+
+sub pm_received_signal {
+  my ($this,$sig,$received) = self_or_default(@_);
+  $sig or return $this->{SIG_RECEIVED};
+  $received and $this->{SIG_RECEIVED}->{$sig}++;
+  return $this->{SIG_RECEIVED}->{$sig};
+}
+
+=head1 parameters
+
+=head2 pm_parameter
+
+ instance or export
+ () pm_parameter()
+
+DESCRIPTION:
+
+=cut
+
+sub pm_parameter {
+  my ($this,$key,$value) = self_or_default(@_);
+  defined $value and $this->{$key} = $value;
+  return $this->{$key};
+}
+
+=head2 n_processes
+
+=head2 no_signals
+
+=head2 pid_fname
+
+=head2 die_timeout
+
+=head2 role
+
+=head2 start_delay
+
+DESCRIPTION:
+
+=cut
+
+sub n_processes     { shift->pm_parameter("n_processes",     @_); }
+sub pid_fname       { shift->pm_parameter("pid_fname",       @_); }
+sub no_signals      { shift->pm_parameter("no_signals",      @_); }
+sub die_timeout     { shift->pm_parameter("die_timeout",     @_); }
+sub role            { shift->pm_parameter("role",            @_); }
+sub start_delay     { shift->pm_parameter("start_delay",     @_); }
+
+=head1 notification and death
+
+=head2 pm_warn
+
+ instance or export
+ () pm_warn()
+
+DESCRIPTION:
+
+=cut
+
+sub pm_warn {
+  my ($this,$msg) = self_or_default(@_);
+  $this->pm_notify($msg);
+}
+
+=head2 pm_notify
+
+ instance or export
+ () pm_notify()
+
+DESCRIPTION:
+
+=cut
+
+sub pm_notify {
+  my ($this,$msg) = self_or_default(@_);
+  $msg =~ s/\s*$/\n/;
+  print STDERR "FastCGI: ".$this->role()." (pid $$): ".$msg;
+}
+
+=head2 pm_exit
+
+ instance or export
+ () pm_exit(string msg[, int exit_status])
+
+DESCRIPTION:
+
+=cut
+
+sub pm_exit {
+  my ($this,$msg,$n) = self_or_default(@_);
+  $n ||= 0;
+
+  # if we still have children at this point, something went wrong.
+  # SIGKILL them now.
+  kill "KILL", keys %{$this->{PIDS}} if $this->{PIDS};
+
+  $this->pm_warn($msg);
+  $@ = $msg;
+  exit $n;
+}
+
+=head2 pm_abort
+
+ instance or export
+ () pm_abort(string msg[, int exit_status])
+
+DESCRIPTION:
+
+=cut
+
+sub pm_abort {
+  my ($this,$msg,$n) = self_or_default(@_);
+  $n ||= 1;
+  $this->pm_exit($msg,1);
+}
+
+1;
+__END__
+
+=head1 BUGS
+
+No known bugs, but this does not mean no bugs exist.
+
+=head1 SEE ALSO
+
+L<FCGI>.
+
+=head1 COPYRIGHT
+
+ FCGI-ProcManager - A Perl FCGI Process Manager
+ Copyright (c) 2000, FundsXpress Financial Network, Inc.
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ BECAUSE THIS LIBRARY IS LICENSED FREE OF CHARGE, THIS LIBRARY IS
+ BEING PROVIDED "AS IS WITH ALL FAULTS," WITHOUT ANY WARRANTIES
+ OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, WITHOUT
+ LIMITATION, ANY IMPLIED WARRANTIES OF TITLE, NONINFRINGEMENT,
+ MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, AND THE
+ ENTIRE RISK AS TO SATISFACTORY QUALITY, PERFORMANCE, ACCURACY,
+ AND EFFORT IS WITH THE YOU.  See the GNU Lesser General Public
+ License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
+
+=cut

Added: packages/libfcgi-procmanager-perl/branches/upstream/current/README
===================================================================
--- packages/libfcgi-procmanager-perl/branches/upstream/current/README	2006-01-17 12:59:40 UTC (rev 1993)
+++ packages/libfcgi-procmanager-perl/branches/upstream/current/README	2006-01-18 12:22:26 UTC (rev 1994)
@@ -0,0 +1,54 @@
+$Id: README,v 1.6 2001/04/23 16:07:16 muaddie Exp $
+
+General Information
+-------------------
+
+FCGI-ProcManager is a process manager for FCGI.  By implementing the
+process manager in perl, we can more finely tune FastCGI performance, and 
+we can take CPU and memory advantages of fast forks and copy-on-write UNIX
+process management characteristics.
+
+
+Installation
+------------
+
+FCGI-ProcManager is expected to compile and run on all systems which
+support normal UNIX fork/wait semantics.  FCGI-ProcManager is known to
+compile and run on the following systems:
+
+ - Linux (2.0.x, 2.1.x, 2.2.x, 2.3.x)
+ - Solaris (2.5.1, 2.6, 2.7)
+ - Digital UNIX 4.0
+ - NetBSD 1.4
+
+Full installation instructions can be found in the INSTALL file.
+To build,
+
+  perl Makefile.PL
+  make all
+  make install
+
+Usage
+-----
+In order to use this process manager, you should create a FCGI::ProcManager
+object, configure it, call its pm_manage() method.   Then, you'll want to
+call its pm_pre_dispatch() method at the top of your request loop, and then
+pm_post_dispatch() at the bottom of your request loop.  Consult
+FCGI::ProcManager documentation for more detail.  (perldoc ./ProcManager.pm)
+
+
+Copyright
+---------
+Copyright (c) 2000, FundsXpress Financial Network, Inc.
+
+
+Disclaimer
+----------
+
+This library is free software released "AS IS WITH ALL FAULTS"
+and WITHOUT ANY WARRANTIES under the terms of the GNU Lesser
+General Public License, Version 2.1, a copy of which can be
+found in the "COPYING" file of this distribution.
+
+
+James Jurach <muaddib at erf.net>

Added: packages/libfcgi-procmanager-perl/branches/upstream/current/TODO
===================================================================

Added: packages/libfcgi-procmanager-perl/branches/upstream/current/t/exporter.t
===================================================================
--- packages/libfcgi-procmanager-perl/branches/upstream/current/t/exporter.t	2006-01-17 12:59:40 UTC (rev 1993)
+++ packages/libfcgi-procmanager-perl/branches/upstream/current/t/exporter.t	2006-01-18 12:22:26 UTC (rev 1994)
@@ -0,0 +1,57 @@
+# -*- perl -*-
+# Copyright (c) 2000, FundsXpress Financial Network, Inc.
+# This library is free software released "AS IS WITH ALL FAULTS"
+# and WITHOUT ANY WARRANTIES under the terms of the GNU Lesser
+# General Public License, Version 2.1, a copy of which can be
+# found in the "COPYING" file of this distribution.
+
+# $Id: exporter.t,v 1.6 2001/04/23 16:13:45 muaddie Exp $
+
+use strict;
+use Test;
+
+BEGIN { plan tests => 4; }
+
+use FCGI::ProcManager qw(:all);
+
+ok pm_parameter('n_processes',100) == 100;
+ok pm_parameter('n_processes',2) == 2;
+ok pm_parameter('n_processes',0) == 0;
+
+ok !pm_manage();
+
+#ok pm_parameter('n_processes',-3);
+#eval { pm_manage(); };
+#ok $@ =~ /dying from number of processes exception: -3/;
+#undef $@;
+
+if ($ENV{PM_N_PROCESSES}) {
+  pm_parameter('n_processes',$ENV{PM_N_PROCESSES});
+  pm_manage();
+  sample_request_loop();
+}
+
+exit 0;
+
+sub sample_request_loop {
+
+  while (1) {
+    # Simulate blocking for a request.
+    my $t1 = int(rand(2)+1);
+    print "TEST: simulating blocking for request: $t1 seconds.\n";
+    sleep $t1;
+    # (Here is where accept-fail-on-intr would exit request loop.)
+
+    pm_pre_dispatch();
+
+    # Simulate a request dispatch.
+    my $t = int(rand(3)+2);
+    print "TEST: simulating request: sleeping $t seconds.\n";
+    while (my $nslept = sleep $t) {
+      $t -= $nslept;
+      last unless $t;
+    }
+
+    pm_post_dispatch();
+  }
+}

Added: packages/libfcgi-procmanager-perl/branches/upstream/current/t/procmanager.t
===================================================================
--- packages/libfcgi-procmanager-perl/branches/upstream/current/t/procmanager.t	2006-01-17 12:59:40 UTC (rev 1993)
+++ packages/libfcgi-procmanager-perl/branches/upstream/current/t/procmanager.t	2006-01-18 12:22:26 UTC (rev 1994)
@@ -0,0 +1,62 @@
+# -*- perl -*-
+# Copyright (c) 2000, FundsXpress Financial Network, Inc.
+# This library is free software released "AS IS WITH ALL FAULTS"
+# and WITHOUT ANY WARRANTIES under the terms of the GNU Lesser
+# General Public License, Version 2.1, a copy of which can be
+# found in the "COPYING" file of this distribution.
+
+# $Id: procmanager.t,v 1.9 2001/04/23 16:13:45 muaddie Exp $
+
+use strict;
+use Test;
+
+BEGIN { plan tests => 5; }
+
+use FCGI::ProcManager;
+
+my $m;
+
+ok $m = FCGI::ProcManager->new();
+
+ok $m->n_processes(100) == 100;
+ok $m->n_processes(2) == 2;
+ok $m->n_processes(0) == 0;
+
+ok !$m->pm_manage();
+
+#ok $m->n_processes(-3);
+#eval { $m->pm_manage(); };
+#ok $@ =~ /dying from number of processes exception: -3/;
+#undef $@;
+
+if ($ENV{PM_N_PROCESSES}) {
+  $m->n_processes($ENV{PM_N_PROCESSES});
+  $m->pm_manage();
+  sample_request_loop($m);
+}
+
+exit 0;
+
+sub sample_request_loop {
+  my ($m) = @_;
+
+  while (1) {
+    # Simulate blocking for a request.
+    my $t1 = int(rand(2)+2);
+    print "TEST: simulating blocking for request: $t1 seconds.\n";
+    sleep $t1;
+    # (Here is where accept-fail-on-intr would exit request loop.)
+
+    $m->pm_pre_dispatch();
+
+    # Simulate a request dispatch.
+    my $t = int(rand(3)+2);
+    print "TEST: simulating new request: $t seconds.\n";
+    while (my $nslept = sleep $t) {
+      $t -= $nslept;
+      last unless $t;
+    }
+
+    $m->pm_post_dispatch();
+  }
+}




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