From: chris at seismo dot usbr dot gov dot spamfree
Operating system: IRIX 6.5
PHP version: 4.3.5RC3
PHP Bug Type: iPlanet related
Bug description: nsapi will not load for NS/Iplanet ver 3 and 4
Description:
------------
NSAPI with old versions of Netscape Enterprise Server (3 and 4) bombs when
the server tries to load it. PHP-cli works fine. And if one removes the
load statements from obj.conf, the server has no problem (and no PHP). On
Irix 6.5, the startup error with PHP NSAPI is "PANIC pt_bootstrap()
Couldn't INIT_THREADS - {0x0, 0x0}".
The basic problem here is that NS/Iplanet versions 3 and 4 do not support
pthreads whereas PHP requires them (sort of). See article:
http://kb.netscape.com/NASApp/kb/Article?id=2861
Although NS/Iplanet has threads, they are not pthreads. To get a working
NSAPI, one must use NSAPI threads instead.
That's a big problem because TSRM wants pthreads. So the issue is simply
how to build NSAPI without pthreads.
It can be done with 3 simple fixes: (1) TSRM fixes; (2) use correct
configure flags; (3) configure hacks.
(Note that php-cli needs to be built separately)
##### FIRST
TSRM.h mostly *has* support for NSAPI threads, it's just that the pthread
ifdef's are reached first. Also, a couple of lines are missing. Here are
the few simple code changes that are needed (sorry, I don't have CVS):
In NSAPI.h change
#elif defined(PTHREADS)
# define THREAD_T pthread_t
# define MUTEX_T pthread_mutex_t *
#elif defined(PI3WEB)
to
#elif defined(PTHREADS)
# define THREAD_T pthread_t
# define MUTEX_T pthread_mutex_t *
#elif defined(NSAPI)
# define THREAD_T SYS_THREAD
# define MUTEX_T CRITICAL
#elif defined(PI3WEB)
In TSRM.c, change
#elif defined(NSAPI)
return crit_enter(mutexp)
#elif defined(PI3WEB)
to
#elif defined(NSAPI)
crit_enter(mutexp); /* returns void */
return crit_enter(mutexp);
#elif defined(PI3WEB)
and also change
#elif defined(NSAPI)
return crit_exit(mutexp);
#elif defined(PI3WEB)
to
#elif defined(NSAPI)
crit_exit(mutexp); /* returns void */
return 0;
#elif defined(PI3WEB)
In nsapi.h, be sure to define XP_UNIX, or do it in configure.
##### SECOND
Make sure the following flags are given to configure:
--with-nsapi=/your/path/to/Netscape/3.5 --without-tsrm-pthreads
--disable-cli --without-pear
##### THIRD
Configure needs to be modified for several things to disable any use of
pthreads and set CFLAGS for NSAPI threads:
(1) For NS 3 and 4, don't use pthreads
(2) Make sure CFLAGS="$CFLAGS -DNSAPI -DXP_UNIX"
(3) Make sure -lpthread is never used
(4) Make sure there's no pthread support in main/php_config.h
A quick, if ugly hack to configure that does that is to change occurrences
of
if test "$cross_compiling" = yes"; then
to
if test "$cross_compiling" = yes -o "ugly" = "ugly" ; then
A more elegant fix would change sapi/nsapi/config.m4 to reflect the logic:
if (NS3 or 4) -> no pthreads, and define(NSAPI and XP_UNIX).
Build and install following the instructions in the PHP manual for NSAPI,
and that's it.
This appears to have been a problem many others have had (e.g., bugs 4982,
13174, 10821, 4504, 6939, 9612, 2019, 10012, 25517, 11039, 11174, 12258,
5120, 23269, 6439, 11656, 4404, 14634, 6196, 18701, 12466, 16418, 15439,
16996, 5536, 8376). Hope this helps.
Expected result:
----------------
./ns-httpd -d config
Netscape-Enterprise/3.5.1 B98.027.1047
startup: listening to http://our.web.server, port 80 as web
Actual result:
--------------
./ns-httpd -d config
Netscape-Enterprise/3.5.1 B98.027.1047
startup: listening to http://our.web.server, port 80 as web
PANIC pt_bootstrap() Couldn't INIT_THREADS - {0x0, 0x0}
(pt_bootstrap is from libpthreads.so on IRIX).
--
Edit bug report at http://bugs.php.net/?id=27412&edit=1
--
Try a CVS snapshot (php4): http://bugs.php.net/fix.php?id=27412&r=trysnapshot4
Try a CVS snapshot (php5): http://bugs.php.net/fix.php?id=27412&r=trysnapshot5
Fixed in CVS: http://bugs.php.net/fix.php?id=27412&r=fixedcvs
Fixed in release: http://bugs.php.net/fix.php?id=27412&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=27412&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=27412&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=27412&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=27412&r=support
Expected behavior: http://bugs.php.net/fix.php?id=27412&r=notwrong
Not enough info: http://bugs.php.net/fix.php?id=27412&r=notenoughinfo
Submitted twice: http://bugs.php.net/fix.php?id=27412&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=27412&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=27412&r=php3
Daylight Savings: http://bugs.php.net/fix.php?id=27412&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=27412&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=27412&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=27412&r=float
