void phpdbg_set_sigsafe_mem(char *buffer) { phpdbg_signal_safe_mem *mem = &PHPDBG_G(sigsafe_mem); const zend_mm_handlers phpdbg_handlers = { zend_mm_mem_alloc, zend_mm_mem_free, NULL, NULL, }; mem->mem = buffer; mem->allocated = 0; mem->heap = zend_mm_startup_ex(&phpdbg_handlers, NULL, 0); mem->old_heap = zend_mm_set_heap(mem->heap); }
return NULL; } static void zend_mm_mem_free(zend_mm_storage *storage, void *ptr, size_t size) { } void phpdbg_set_sigsafe_mem(char *buffer TSRMLS_DC) { phpdbg_signal_safe_mem *mem = &PHPDBG_G(sigsafe_mem); mem->mem = buffer; mem->allocated = 0; mem->storage.chunk_alloc = zend_mm_mem_alloc; mem->storage.chunk_free = zend_mm_mem_free; mem->heap = zend_mm_startup_ex(&mem->storage); mem->old_heap = zend_mm_set_heap(mem->heap TSRMLS_CC); } zend_mm_heap *phpdbg_original_heap_sigsafe_mem(TSRMLS_D) { return PHPDBG_G(sigsafe_mem).old_heap; } void phpdbg_clear_sigsafe_mem(TSRMLS_D) { zend_mm_set_heap(phpdbg_original_heap_sigsafe_mem(TSRMLS_C) TSRMLS_CC); PHPDBG_G(sigsafe_mem).mem = NULL; } zend_bool phpdbg_active_sigsafe_mem(TSRMLS_D) { return !!PHPDBG_G(sigsafe_mem).mem;