Use ITIMER_REAL for timeout handling on MacOS / Apple Silicon system

setitimer(ITIMER_PROF) fires too early on MacOS 14 when running on Apple
Silicon. See https://openradar.appspot.com/radar?id=5583058442911744.

Fixes GH-12814
Closes GH-13567

Author: shivammathur

Zend/zend_execute_API.c

@@ -1296,7 +1296,9 @@ void zend_set_timeout(long seconds, int reset_signals) /* {{{ */
 			t_r.it_value.tv_sec = seconds;
 			t_r.it_value.tv_usec = t_r.it_interval.tv_sec = t_r.it_interval.tv_usec = 0;
 
-#	ifdef __CYGWIN__
+#	if defined(__CYGWIN__) || (defined(__aarch64__) && defined(__APPLE__))
+			// ITIMER_PROF is broken in Apple Silicon system with MacOS >= 14
+			// See https://openradar.appspot.com/radar?id=5583058442911744.
 			setitimer(ITIMER_REAL, &t_r, NULL);
 		}
 		signo = SIGALRM;
@@ -1344,7 +1346,7 @@ void zend_unset_timeout(TSRMLS_D) /* {{{ */
 
 		no_timeout.it_value.tv_sec = no_timeout.it_value.tv_usec = no_timeout.it_interval.tv_sec = no_timeout.it_interval.tv_usec = 0;
 
-#ifdef __CYGWIN__
+#if defined(__CYGWIN__) || (defined(__aarch64__) && defined(__APPLE__))
 		setitimer(ITIMER_REAL, &no_timeout, NULL);
 #else
 		setitimer(ITIMER_PROF, &no_timeout, NULL);