XCache is a fast, stable PHP opcode cacher that has been proven and is now running on production servers under high load. https://xcache.lighttpd.net/
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#include "xc_extension.h"
#include "xcache.h"
#include "util/xc_trace.h"
int xcache_zend_extension_add(zend_extension *new_extension, zend_bool prepend) /* {{{ */
{
zend_extension extension;
extension = *new_extension;
extension.handle = 0;
zend_extension_dispatch_message(ZEND_EXTMSG_NEW_EXTENSION, &extension);
if (prepend) {
zend_llist_prepend_element(&zend_extensions, &extension);
}
else {
zend_llist_add_element(&zend_extensions, &extension);
}
TRACE("%s", "registered");
return SUCCESS;
}
/* }}} */
static int xc_ptr_compare_func(void *p1, void *p2) /* {{{ */
{
return p1 == p2;
}
/* }}} */
static int xc_zend_extension_remove(zend_extension *extension) /* {{{ */
{
llist_dtor_func_t dtor;
assert(extension);
dtor = zend_extensions.dtor; /* avoid dtor */
zend_extensions.dtor = NULL;
zend_llist_del_element(&zend_extensions, extension, xc_ptr_compare_func);
zend_extensions.dtor = dtor;
return SUCCESS;
}
/* }}} */
int xcache_zend_extension_remove(zend_extension *extension) /* {{{ */
{
zend_extension *ext = zend_get_extension(extension->name);
if (!ext) {
return FAILURE;
}
if (ext->shutdown) {
ext->shutdown(ext);
}
xc_zend_extension_remove(ext);
return SUCCESS;
}
/* }}} */
void xcache_llist_prepend(zend_llist *l, zend_llist_element *element) /* {{{ */
{
element->next = l->head;
element->prev = NULL;
if (l->head) {
l->head->prev = element;
}
else {
l->tail = element;
}
l->head = element;
++l->count;
}
/* }}} */
void xcache_llist_unlink(zend_llist *l, zend_llist_element *element) /* {{{ */
{
if ((element)->prev) {
(element)->prev->next = (element)->next;
}
else {
(l)->head = (element)->next;
}
if ((element)->next) {
(element)->next->prev = (element)->prev;
}
else {
(l)->tail = (element)->prev;
}
--l->count;
}
/* }}} */