diff -ru php-8.3.4.orig/Zend/zend_signal.h php-8.3.4/Zend/zend_signal.h

--- php-8.3.4.orig/Zend/zend_signal.h	2024-03-13 00:42:26.000000000 +0100

+++ php-8.3.4/Zend/zend_signal.h	2025-05-17 01:23:53.828548526 +0200

@@ -84,12 +84,12 @@

 # endif /* not ZTS */

 ZEND_API void zend_signal_handler_unblock(void);

-void zend_signal_activate(void);

-void zend_signal_deactivate(void);

+ZEND_API void zend_signal_activate(void);

+ZEND_API void zend_signal_deactivate(void);

 BEGIN_EXTERN_C()

 ZEND_API void zend_signal_startup(void);

 END_EXTERN_C()

-void zend_signal_init(void);

+ZEND_API void zend_signal_init(void);

 ZEND_API void zend_signal(int signo, void (*handler)(int));

 ZEND_API void zend_sigaction(int signo, const struct sigaction *act, struct sigaction *oldact);