From: marco dot cova at gmail dot com
Operating system:
PHP version: 5.2.1
PHP Bug Type: Scripting Engine problem
Bug description: zend_ts_hash_clean not thread-safe
Description:
------------
It seems that zend_ts_hash_clean is not actually thread-safe: it
delegates to zend_hash_clean without first acquiring the write lock on
the hashtable.
The following patch should fix this.
--- zend_ts_hash.c.orig 2007-04-16 10:27:24.000000000 -0700
+++ zend_ts_hash.c 2007-04-16 10:28:44.000000000 -0700
@@ -90,8 +90,10 @@
ZEND_API void zend_ts_hash_clean(TsHashTable *ht)
{
+ begin_write(ht);
ht->reader = 0;
zend_hash_clean(TS_HASH(ht));
+ end_write(ht);
}
ZEND_API int _zend_ts_hash_add_or_update(TsHashTable *ht, char *arKey,
uint nK
eyLength, void *pData, uint nDataSize, void **pDest, int flag
ZEND_FILE_LINE_DC
)
--
Edit bug report at http://bugs.php.net/?id=41134&edit=1
--
Try a CVS snapshot (PHP 4.4):
http://bugs.php.net/fix.php?id=41134&r=trysnapshot44
Try a CVS snapshot (PHP 5.2):
http://bugs.php.net/fix.php?id=41134&r=trysnapshot52
Try a CVS snapshot (PHP 6.0):
http://bugs.php.net/fix.php?id=41134&r=trysnapshot60
Fixed in CVS: http://bugs.php.net/fix.php?id=41134&r=fixedcvs
Fixed in release:
http://bugs.php.net/fix.php?id=41134&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=41134&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=41134&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=41134&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=41134&r=support
Expected behavior: http://bugs.php.net/fix.php?id=41134&r=notwrong
Not enough info:
http://bugs.php.net/fix.php?id=41134&r=notenoughinfo
Submitted twice:
http://bugs.php.net/fix.php?id=41134&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=41134&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=41134&r=php3
Daylight Savings: http://bugs.php.net/fix.php?id=41134&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=41134&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=41134&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=41134&r=float
No Zend Extensions: http://bugs.php.net/fix.php?id=41134&r=nozend
MySQL Configuration Error: http://bugs.php.net/fix.php?id=41134&r=mysqlcfg
