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 phpGH-12814
Closes phpGH-13567

Author: windaishi

NEWS

@@ -4,6 +4,8 @@ PHP                                                                        NEWS
 
 - Core:
   . Fixed bug GH-14315 (Incompatible pointer type warnings). (Peter Kokot)
+  . Fixed bug GH-12814 (max_execution_time reached too early on MacOS 14
+    when running on Apple Silicon). (Manuel Kress)
 
 - Curl:
   . Fixed bug GH-14307 (Test curl_basic_024 fails with curl 8.8.0). (nielsdos)

Zend/zend_execute_API.c

@@ -1533,7 +1533,9 @@ static void zend_set_timeout_ex(zend_long seconds, bool 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;
 
-# if defined(__CYGWIN__) || defined(__PASE__)
+# if defined(__CYGWIN__) || defined(__PASE__) || (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;
@@ -1597,7 +1599,7 @@ void zend_unset_timeout(void) /* {{{ */
 
 		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;
 
-# if defined(__CYGWIN__) || defined(__PASE__)
+# if defined(__CYGWIN__) || defined(__PASE__) || (defined(__aarch64__) && defined(__APPLE__))
 		setitimer(ITIMER_REAL, &no_timeout, NULL);
 # else
 		setitimer(ITIMER_PROF, &no_timeout, NULL);