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better compatibility using exception list instead of empty list to startup incompatible extension 

git-svn-id: svn://svn.lighttpd.net/xcache/trunk@1177 c26eb9a1-5813-0410-bd6c-c2e55f420ca7
This commit is contained in:
Xuefer 2012-11-13 14:28:28 +00:00
parent 99601d6411
commit 1a1f60d7a2
1 changed files with 48 additions and 15 deletions
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63
xcache.c
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@ -563,6 +563,7 @@ static xc_incompatible_zend_extension_info_t xc_incompatible_zend_extensions[] =
{ "Zend Optimizer", NULL },
{ "the ionCube PHP Loader", NULL }
};
zend_llist_element **xc_zend_extension_elements;
static xc_incompatible_zend_extension_info_t *xc_get_incompatible_zend_extension_info(const char *name)
{
@ -578,16 +579,27 @@ static xc_incompatible_zend_extension_info_t *xc_get_incompatible_zend_extension
return NULL;
}
/* }}} */
static void xc_zend_llist_add_element(zend_llist *list, zend_llist_element *element) /* {{{ */
{
if (!zend_extensions.head) {
zend_extensions.head = zend_extensions.tail = element;
}
else {
zend_extensions.tail->next = element;
element->prev = zend_extensions.tail;
zend_extensions.tail = element;
}
}
/* }}} */
static int xc_incompatible_zend_extension_startup_hook(zend_extension *extension) /* {{{ */
{
xc_incompatible_zend_extension_info_t *incompatible_zend_extension_info = xc_get_incompatible_zend_extension_info(extension->name);
int status;
zend_bool catched = 0;
zend_llist old_zend_extensions = zend_extensions;
#if TODO
zend_llist_position lpos;
zend_llist old_zend_extensions;
zend_extension *ext;
#endif
size_t i;
zend_llist_element *element;
TSRMLS_FETCH();
/* restore */
@ -595,22 +607,30 @@ static int xc_incompatible_zend_extension_startup_hook(zend_extension *extension
incompatible_zend_extension_info->old_startup = NULL;
assert(extension->startup);
/* hide all extensions from it */
/* save */
assert(!xc_zend_extension_elements);
old_zend_extensions = zend_extensions;
xc_zend_extension_elements = malloc(sizeof(zend_llist_element *) * old_zend_extensions.count);
for (i = 0, element = old_zend_extensions.head; element; ++i, element = element->next) {
xc_zend_extension_elements[i] = element;
}
/* hide all XCache extensions from it */
zend_extensions.head = NULL;
zend_extensions.tail = NULL;
zend_extensions.count = 0;
zend_extensions.dtor = NULL;
#if TODO
for (ext = (zend_extension *) zend_llist_get_first_ex(&old_zend_extensions, &lpos);
ext;
ext = (zend_extension *) zend_llist_get_next_ex(&old_zend_extensions, &lpos)) {
for (i = 0; i < old_zend_extensions.count; ++i) {
element = xc_zend_extension_elements[i];
element->next = element->prev = NULL;
ext = (zend_extension *) element->data;
if (!(strcmp(ext->name, XCACHE_NAME) == 0 || strncmp(ext->name, XCACHE_NAME " ", sizeof(XCACHE_NAME " ") - 1) == 0)) {
zend_llist_add_element(&zend_extensions, ext);
xc_zend_llist_add_element(&zend_extensions, element);
++zend_extensions.count;
}
}
#endif
zend_llist_add_element(&zend_extensions, extension);
extension = zend_get_extension(extension->name);
assert(extension->startup != xc_incompatible_zend_extension_startup_hook);
zend_try {
@ -620,8 +640,21 @@ static int xc_incompatible_zend_extension_startup_hook(zend_extension *extension
} zend_end_try();
/* restore */
zend_llist_destroy(&zend_extensions);
zend_extensions = old_zend_extensions;
zend_extensions.head = NULL;
zend_extensions.tail = NULL;
zend_extensions.count = 0;
for (i = 0; i < old_zend_extensions.count; ++i) {
element = xc_zend_extension_elements[i];
element->next = element->prev = NULL;
xc_zend_llist_add_element(&zend_extensions, element);
++zend_extensions.count;
}
free(xc_zend_extension_elements);
xc_zend_extension_elements = NULL;
if (catched) {
zend_bailout();
}