svn: /php/php-src/ branches/PHP_5_4/Zend/README.ZEND_MM trunk/Zend/README.ZEND_MM

derick Mon, 08 Aug 2011 07:42:58 +0000 Revision: http://svn.php.net/viewvc?view=revision&revision=314469 Log: - Document the new ZEND_DONT_UNLOAD_MODULES environment variable. Changed paths: U php/php-src/branches/PHP_5_4/Zend/README.ZEND_MM U php/php-src/trunk/Zend/README.ZEND_MM Modified: php/php-src/branches/PHP_5_4/Zend/README.ZEND_MM =================================================================== --- php/php-src/branches/PHP_5_4/Zend/README.ZEND_MM 2011-08-08 07:12:12 UTC (rev 314468) +++ php/php-src/branches/PHP_5_4/Zend/README.ZEND_MM 2011-08-08 07:42:58 UTC (rev 314469) @@ -9,7 +9,7 @@ The new manager's "configure" has no "--disable-zend-memory-manager" option, but it has "--enable-malloc-mm" instead. It is enabled by default in DEBUG -build and disabled by default in RELEASE build. when enabled it allows selecting +build and disabled by default in RELEASE build. When enabled it allows selecting between malloc and emalloc at runtime so you can use internal and external memory debuggers without recompilation. @@ -24,6 +24,15 @@ $ USE_ZEND_ALLOC=0 valgrind --leak-check=full sapi/cli/php -r 'leak();' +Shared extensions: +------------------ + +Since PHP 5.4 it is possible to prevent shared extensions from unloading so +that valgrind can correctly track the memory leaks in shared extensions. For +this there is the ZEND_DONT_UNLOAD_MODULES environment variable. If set, then +DL_UNLOAD() is skipped during the shutdown of shared extensions. + + Tweaking: --------- Modified: php/php-src/trunk/Zend/README.ZEND_MM =================================================================== --- php/php-src/trunk/Zend/README.ZEND_MM 2011-08-08 07:12:12 UTC (rev 314468) +++ php/php-src/trunk/Zend/README.ZEND_MM 2011-08-08 07:42:58 UTC (rev 314469) @@ -9,7 +9,7 @@ The new manager's "configure" has no "--disable-zend-memory-manager" option, but it has "--enable-malloc-mm" instead. It is enabled by default in DEBUG -build and disabled by default in RELEASE build. when enabled it allows selecting +build and disabled by default in RELEASE build. When enabled it allows selecting between malloc and emalloc at runtime so you can use internal and external memory debuggers without recompilation. @@ -24,6 +24,15 @@ $ USE_ZEND_ALLOC=0 valgrind --leak-check=full sapi/cli/php -r 'leak();' +Shared extensions: +------------------ + +Since PHP 5.4 it is possible to prevent shared extensions from unloading so +that valgrind can correctly track the memory leaks in shared extensions. For +this there is the ZEND_DONT_UNLOAD_MODULES environment variable. If set, then +DL_UNLOAD() is skipped during the shutdown of shared extensions. + + Tweaking: ---------