Make gc_collect_cycles hookable.

This commit is contained in:
Adam Harvey 2014-12-02 12:18:18 -08:00
parent e427188755
commit eb6dc9db29
4 changed files with 18 additions and 2 deletions

View file

@ -15,6 +15,7 @@ PHP 7.0 INTERNALS UPGRADE NOTES
n. ZEND_ENGINE_2 removal
o. Updated final class modifier
p. TSRM changes
q. gc_collect_cycles() is now hookable
2. Build system changes
a. Unix build system changes
@ -169,6 +170,12 @@ PHP 7.0 INTERNALS UPGRADE NOTES
Additionally, if an extension triggers its own threads, TSRMLS_CACHE shouldn't
be passed to that threads directly.
q. gc_collect_cycles() is now a function pointer, and can be replaced in the
same manner as zend_execute_ex() if needed (for example, to include the
time spent in the garbage collector in a profiler). The default
implementation has been renamed to zend_gc_collect_cycles(), and is
exported with ZEND_API.
========================
2. Build system changes

View file

@ -616,6 +616,9 @@ int zend_startup(zend_utility_functions *utility_functions, char **extensions) /
zend_compile_string = compile_string;
zend_throw_exception_hook = NULL;
/* Set up the default garbage collection implementation. */
gc_collect_cycles = zend_gc_collect_cycles;
zend_init_opcodes_handlers();
/* set up version */

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@ -31,6 +31,8 @@ ZEND_API int gc_globals_id;
ZEND_API zend_gc_globals gc_globals;
#endif
ZEND_API int (*gc_collect_cycles)(TSRMLS_D);
#define GC_REMOVE_FROM_ROOTS(current) \
gc_remove_from_roots((current))
@ -701,7 +703,7 @@ tail_call:
}
}
ZEND_API int gc_collect_cycles(void)
ZEND_API int zend_gc_collect_cycles(void)
{
int count = 0;

View file

@ -119,13 +119,17 @@ extern ZEND_API zend_gc_globals gc_globals;
#endif
BEGIN_EXTERN_C()
ZEND_API int gc_collect_cycles(void);
ZEND_API extern int (*gc_collect_cycles)(void);
ZEND_API void gc_possible_root(zend_refcounted *ref);
ZEND_API void gc_remove_from_buffer(zend_refcounted *ref);
ZEND_API void gc_globals_ctor(void);
ZEND_API void gc_globals_dtor(void);
ZEND_API void gc_init(void);
ZEND_API void gc_reset(void);
/* The default implementation of the gc_collect_cycles callback. */
ZEND_API int zend_gc_collect_cycles(void);
END_EXTERN_C()
#define GC_ZVAL_CHECK_POSSIBLE_ROOT(z) \