From: Vladimir dot Michl at seznam dot cz
Operating system: Any
PHP version: 4.3.2RC1
PHP Bug Type: InterBase related
Bug description: Sometime crash when database unavailable
PHP sometime crash, when interbase database go to unavailable during script
execution.
Problem is, when get_link_trans return NULL in ib_link.
I localise problem and here is fix (fixed in _php_ibase_def_trans and
_php_ibase_trans_end):
*** interbase.c.orig Fri Mar 14 14:11:51 2003
--- interbase.c Fri Mar 14 14:21:47 2003
***************
*** 1572,1578 ****
{
TSRMLS_FETCH();
! if (trans_n == 0 && ib_link->trans[0] == NULL) {
if (isc_start_transaction(IB_STATUS, &ib_link->trans[0], 1,
&ib_link->link, 0, NULL)) {
_php_ibase_error();
return FAILURE;
--- 1572,1582 ----
{
TSRMLS_FETCH();
! if (ib_link == NULL){
! php_error(E_WARNING, "Database link is not valid");
! return FAILURE;
! };
! if (trans_n == 0 && ib_link->trans[0] == NULL) {
if (isc_start_transaction(IB_STATUS, &ib_link->trans[0], 1,
&ib_link->link, 0, NULL)) {
_php_ibase_error();
return FAILURE;
***************
*** 1609,1614 ****
--- 1613,1622 ----
break;
}
+ if (ib_link == NULL) {
+ php_error(E_WARNING, "Database link is not valid");
+ RETURN_FALSE;
+ }
if (ib_link->trans[trans_n] == NULL) {
php_error(E_WARNING, "Trying to commit or rollback an already handled
transaction");
RETURN_FALSE;
--
Edit bug report at http://bugs.php.net/?id=22709&edit=1
--
Try a CVS snapshot: http://bugs.php.net/fix.php?id=22709&r=trysnapshot
Fixed in CVS: http://bugs.php.net/fix.php?id=22709&r=fixedcvs
Fixed in release: http://bugs.php.net/fix.php?id=22709&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=22709&r=needtrace
Try newer version: http://bugs.php.net/fix.php?id=22709&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=22709&r=support
Expected behavior: http://bugs.php.net/fix.php?id=22709&r=notwrong
Not enough info: http://bugs.php.net/fix.php?id=22709&r=notenoughinfo
Submitted twice: http://bugs.php.net/fix.php?id=22709&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=22709&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=22709&r=php3
Daylight Savings: http://bugs.php.net/fix.php?id=22709&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=22709&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=22709&r=gnused