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From Ben Laurie <...@gonzo.ben.algroup.co.uk>
Subject cvs commit: apache/src CHANGES conf.h http_main.c (fwd)
Date Thu, 18 Jul 1996 11:34:09 GMT
Seems to me that this patch should probably go into 1.1.2...

Cheers,

Ben.

Ben Laurie wrote:
> From heap.ben.algroup.co.uk!arachnet-fw.algroup.co.uk!taz.hyperreal.com!hyperreal.com!owner-apache-cvs
Wed Jul 17 23:35:58 1996
> Date: Wed, 17 Jul 1996 16:20:53 -0700
> From: Ben Laurie <ben@hyperreal.com>
> Message-Id: <199607172320.QAA20266@taz.hyperreal.com>
> To: apache-cvs@hyperreal.com
> Subject: cvs commit: apache/src CHANGES conf.h http_main.c
> Sender: owner-apache-cvs@hyperreal.com
> Precedence: bulk
> 
> ben         96/07/17 16:20:52
> 
>   Modified:    src       CHANGES conf.h http_main.c
>   Log:
>   Work around broken wait() behaviour in Irix (and perhaps others).
>   
>   Revision  Changes    Path
>   1.44      +4 -0      apache/src/CHANGES
>   
>   Index: CHANGES
>   ===================================================================
>   RCS file: /export/home/cvs/apache/src/CHANGES,v
>   retrieving revision 1.43
>   retrieving revision 1.44
>   diff -C3 -r1.43 -r1.44
>   *** CHANGES	1996/07/17 08:33:40	1.43
>   --- CHANGES	1996/07/17 23:20:47	1.44
>   ***************
>   *** 6,11 ****
>   --- 6,15 ----
>       *) Graceful restart code added. This allows the server to restart without
>          losing current connections on receipt of signal 2 (SIGINT). [Ben Laurie]
>     
>   +   *) Added BROKEN_WAIT flag to conf.h, to be used on systems which fail to
>   +      reap their children correctly (symptom: mod_status shows children which
>   +      don't exist). [Ben Laurie]
>   + 
>     Changes with Apache 1.1.1:
>     
>       *) Fixed bug where Cookie module would make two entries in the
>   
>   
>   
>   1.22      +1 -0      apache/src/conf.h
>   
>   Index: conf.h
>   ===================================================================
>   RCS file: /export/home/cvs/apache/src/conf.h,v
>   retrieving revision 1.21
>   retrieving revision 1.22
>   diff -C3 -r1.21 -r1.22
>   *** conf.h	1996/07/17 15:09:58	1.21
>   --- conf.h	1996/07/17 23:20:49	1.22
>   ***************
>   *** 94,99 ****
>   --- 94,100 ----
>     #define HAVE_SHMGET
>     #define HAVE_CRYPT_H
>     #define NO_LONG_DOUBLE
>   + #define BROKEN_WAIT
>     
>     #elif defined(HPUX) || defined(HPUX10)
>     #define HAVE_RESOURCE
>   
>   
>   
>   1.51      +29 -2     apache/src/http_main.c
>   
>   Index: http_main.c
>   ===================================================================
>   RCS file: /export/home/cvs/apache/src/http_main.c,v
>   retrieving revision 1.50
>   retrieving revision 1.51
>   diff -C3 -r1.50 -r1.51
>   *** http_main.c	1996/07/16 22:14:54	1.50
>   --- http_main.c	1996/07/17 23:20:50	1.51
>   ***************
>   *** 937,945 ****
>     #endif
>     }
>     
>     int wait_or_timeout (int *status)
>     {
>   !     wait_or_timeout_retval = -1;
>         
>     #if defined(NEXT)
>         if (setjmp(wait_timeout_buf) != 0) {
>   --- 937,966 ----
>     #endif
>     }
>     
>   + #ifdef BROKEN_WAIT
>   + /*
>   + Some systems appear to fail to deliver dead children to wait() at times.
>   + This sorts them out.
>   + */
>   + void reap_children()
>   +     {
>   +     int status,n;
>   + 
>   +     for(n=0 ; n < HARD_SERVER_LIMIT ; ++n)
>   + 	if(scoreboard_image->servers[n].status != SERVER_DEAD
>   + 	   && waitpid(scoreboard_image->servers[n].pid,&status,WNOHANG) ==
-1
>   + 	   && errno == ECHILD)
>   + 	    {
>   + 	    sync_scoreboard_image();
>   + 	    update_child_status(n,SERVER_DEAD,NULL);
>   + 	    }
>   +     }
>   + #endif
>   + 
>     int wait_or_timeout (int *status)
>     {
>   !     int wait_or_timeout_retval = -1;
>   !     static int ntimes;
>         
>     #if defined(NEXT)
>         if (setjmp(wait_timeout_buf) != 0) {
>   ***************
>   *** 949,955 ****
>     	errno = ETIMEDOUT;
>     	return wait_or_timeout_retval;
>         }
>   !     
>         signal (SIGALRM, longjmp_out_of_alarm);
>         alarm(1);
>     #if defined(NEXT)
>   --- 970,982 ----
>     	errno = ETIMEDOUT;
>     	return wait_or_timeout_retval;
>         }
>   ! #ifdef BROKEN_WAIT
>   !     if(++ntimes == 60)
>   ! 	{
>   ! 	reap_children();
>   ! 	ntimes=0;
>   ! 	}
>   ! #endif
>         signal (SIGALRM, longjmp_out_of_alarm);
>         alarm(1);
>     #if defined(NEXT)
>   
>   
>   

-- 
Ben Laurie                  Phone: +44 (181) 994 6435
Freelance Consultant and    Fax:   +44 (181) 994 6472
Technical Director          Email: ben@algroup.co.uk
A.L. Digital Ltd,           URL: http://www.algroup.co.uk
London, England.            Apache Group member (http://www.apache.org)

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