Linux-specific iptype validation

Author: vrza

ext/pcntl/pcntl.c

@@ -403,10 +403,17 @@ PHP_FUNCTION(pcntl_waitid)
 		Z_PARAM_LONG(options)
 	ZEND_PARSE_PARAMETERS_END();
 
+#ifdef __linux__
 	if (idtype != P_ALL && idtype != P_PID && idtype != P_PGID && idtype != P_PIDFD) {
 		zend_argument_value_error(1, "must be one of P_ALL, P_PID, P_PGID, P_PIDFD");
 		RETURN_THROWS();
 	}
+#else
+	if (idtype != P_ALL && idtype != P_PID && idtype != P_PGID) {
+		zend_argument_value_error(1, "must be one of P_ALL, P_PID, P_PGID");
+		RETURN_THROWS();
+	}
+#endif
 
 	if ((options & WEXITED) != WEXITED &&
 			(options & WSTOPPED) != WSTOPPED &&