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From Jacob Champion <champio...@gmail.com>
Subject Re: svn commit: r1800066 - in /httpd/test/framework/trunk: Misc.pm t/modules/proxy_fcgi.t
Date Tue, 27 Jun 2017 16:34:49 GMT
On 06/27/2017 07:28 AM, jim@apache.org wrote:
> Author: jim
> Date: Tue Jun 27 14:28:50 2017
> New Revision: 1800066
> 
> URL: http://svn.apache.org/viewvc?rev=1800066&view=rev
> Log:
> Re-use the runner sub function...
> 
> Modified:
>      httpd/test/framework/trunk/Misc.pm
>      httpd/test/framework/trunk/t/modules/proxy_fcgi.t
> 
> Modified: httpd/test/framework/trunk/Misc.pm
> URL: http://svn.apache.org/viewvc/httpd/test/framework/trunk/Misc.pm?rev=1800066&r1=1800065&r2=1800066&view=diff
> ==============================================================================
> --- httpd/test/framework/trunk/Misc.pm (original)
> +++ httpd/test/framework/trunk/Misc.pm Tue Jun 27 14:28:50 2017
> @@ -28,7 +28,7 @@ BEGIN {
>       # Just a bunch of useful subs
>   }
>   
> -sub do_do_run_run ($$)
> +sub do_do_run_run
>   {
>       my $msg = shift;
>       my $func = shift;
> @@ -43,7 +43,7 @@ sub do_do_run_run ($$)
>       if ($pid == 0) {
>           print WRITE_END 'x';
>           close WRITE_END;
> -        $func->();
> +        $func->(@_);
>           exit;
>       }
>       # give time for the system call to take effect
> @@ -53,6 +53,7 @@ sub do_do_run_run ($$)
>           kill 'TERM', $pid;
>           exit;
>       }
> +    return $pid;
>   }
>   
>   
> 
> Modified: httpd/test/framework/trunk/t/modules/proxy_fcgi.t
> URL: http://svn.apache.org/viewvc/httpd/test/framework/trunk/t/modules/proxy_fcgi.t?rev=1800066&r1=1800065&r2=1800066&view=diff
> ==============================================================================
> --- httpd/test/framework/trunk/t/modules/proxy_fcgi.t (original)
> +++ httpd/test/framework/trunk/t/modules/proxy_fcgi.t Tue Jun 27 14:28:50 2017
> @@ -5,6 +5,8 @@ use Apache::Test;
>   use Apache::TestRequest;
>   use Apache::TestUtil;
>   
> +use Misc;
> +
>   my $have_fcgisetenvif    = have_min_apache_version('2.4.26');
>   my $have_fcgibackendtype = have_min_apache_version('2.4.26');
>   
> @@ -24,60 +26,32 @@ Apache::TestRequest::module("proxy_fcgi"
>   
>   # Launches a short-lived FCGI daemon that will handle exactly one request with
>   # the given handler function. Returns the child PID; exits on failure.
> -sub run_fcgi_handler($$)
> +
> +sub fcgi_request
>   {
>       my $fcgi_port    = shift;
>       my $handler_func = shift;
>   
> -    # Use a pipe for ready-signalling between the child and parent. Much faster
> -    # (and more reliable) than just sleeping for a few seconds.
> -    pipe(READ_END, WRITE_END);
> -    my $pid = fork();
> -
> -    unless (defined $pid) {
> -        t_debug "couldn't fork FCGI process";
> -        ok 0;
> -        exit;
> -    }
> +    # Child process. Open up a listening socket.
> +    my $sock = FCGI::OpenSocket(":$fcgi_port", 10);
>   
> -    if ($pid == 0) {
> -        # Child process. Open up a listening socket.
> -        my $sock = FCGI::OpenSocket(":$fcgi_port", 10);
> -
> -        # Signal the parent process that we're ready.
> -        print WRITE_END 'x';
> -        close WRITE_END;

This isn't an equivalent transformation. It's important that the socket 
is opened *before* signaling the parent; otherwise there's a race and 
the parent might try to ping the child before it's ready.

--Jacob

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