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Posted to docs-cvs@perl.apache.org by st...@apache.org on 2004/07/17 00:45:17 UTC

cvs commit: modperl-docs/src/docs/2.0/api/Apache Process.pod SubProcess.pod

stas        2004/07/16 15:45:17

  Modified:    src/docs/2.0/api/Apache Process.pod SubProcess.pod
  Log:
  Apache::SubProcess manpage polish
  
  Revision  Changes    Path
  1.5       +1 -1      modperl-docs/src/docs/2.0/api/Apache/Process.pod
  
  Index: Process.pod
  ===================================================================
  RCS file: /home/cvs/modperl-docs/src/docs/2.0/api/Apache/Process.pod,v
  retrieving revision 1.4
  retrieving revision 1.5
  diff -u -u -r1.4 -r1.5
  --- Process.pod	16 Jul 2004 21:36:52 -0000	1.4
  +++ Process.pod	16 Jul 2004 22:45:17 -0000	1.5
  @@ -29,7 +29,7 @@
   
   C<Apache::Process> provides the API for the Apache process object,
   which you can retrieve with
  -C<L<$s-<Egt>process|docs::2.0::api::Apache::ServerRec/C_process_>>:
  +C<L<$s-E<gt>process|docs::2.0::api::Apache::ServerRec/C_process_>>:
   
     use Apache::ServerRec ();
     $proc = $s->process;
  
  
  
  1.4       +43 -14    modperl-docs/src/docs/2.0/api/Apache/SubProcess.pod
  
  Index: SubProcess.pod
  ===================================================================
  RCS file: /home/cvs/modperl-docs/src/docs/2.0/api/Apache/SubProcess.pod,v
  retrieving revision 1.3
  retrieving revision 1.4
  diff -u -u -r1.3 -r1.4
  --- SubProcess.pod	22 May 2004 02:03:27 -0000	1.3
  +++ SubProcess.pod	16 Jul 2004 22:45:17 -0000	1.4
  @@ -1,6 +1,10 @@
   =head1 NAME
   
  -Apache::SubProcess -- Executing SubProcesses from mod_perl
  +Apache::SubProcess -- Executing SubProcesses under mod_perl
  +
  +
  +
  +
   
   =head1 Synopsis
   
  @@ -47,6 +51,11 @@
   C<Apache::SubProcess> provides the Perl API for running and
   communicating with processes spawned from mod_perl handlers.
   
  +At the moment it's possible to spawn only external program in a new
  +process. It's possible to provide other interfaces, e.g. executing a
  +sub-routine reference (via C<B::Deparse>) and may be spawn a new
  +program in a thread (since the APR api includes API for spawning
  +threads, e.g. that's how it's running mod_cgi on win32).
   
   
   =head1 API
  @@ -54,18 +63,38 @@
   
   =head2 C<spawn_proc_prog>
   
  -  $out_fh = 
  -      Apache::SubProcess::spawn_proc_prog($r, $command, [\@argv]);
  -  ($in_fh, $out_fh, $err_fh) = 
  -      Apache::SubProcess::spawn_proc_prog($r, $command, [\@argv]);
  +Spawn a sub-process and return STD communication pipes:
  +
  +  $out_fh                    = $r->spawn_proc_prog($command);
  +  $out_fh                    = $r->spawn_proc_prog($command, \@argv);
  +  ($in_fh, $out_fh, $err_fh) = $r->spawn_proc_prog($command);
  +  ($in_fh, $out_fh, $err_fh) = $r->spawn_proc_prog($command, \@argv);
  +
  +=over 4
  +
  +=item obj: C<$r>
  +( C<L<Apache::RequestRec object|docs::2.0::api::Apache::RequestRec>> )
   
  -spawn_proc_prog() spawns a sub-process which exec()'s C<$command> and
  -returns the output pipe filehandle in the scalar context, or input,
  -output and error pipe filehandles in the list context. Using these
  -three pipes it's possible to communicate with the spawned process.
  +=item arg1: C<$command> ( string )
   
  -The third optional argument is a reference to an array which if passed
  -becomes ARGV to the spawned program.
  +The command to be C<$exec()>'ed.
  +
  +=item opt arg2: C<\...@argv> ( ARRAY ref )
  +
  +A reference to an array of arguments to be passed to the process as
  +the process' C<ARGV>.
  +
  +=item ret: ...
  +
  +In SCALAR context returns the output filehandle of the spawned
  +process.
  +
  +In LIST context returns the input, outpur and error filehandles of the
  +spawned process.
  +
  +=item since: 1.99_15
  +
  +=back
   
   It's possible to pass environment variables as well, by calling:
   
  @@ -88,10 +117,10 @@
   
   Therefore to write a portable code, you want to use select for
   perlio-disabled Perl and do nothing for perlio-enabled Perl, hence you
  -can use something similar to the read_data() wrapper shown in the
  -L<SYNOPSIS|/SYNOPSIS> section.
  -
  +can use something similar to the C<read_data()> wrapper shown in the
  +L<Synopsis|/Synopsis> section.
   
  +Several examples appear in the L<Synopsis|/Synopsis> section.
   
   
   
  
  
  

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