Add debugging code to usleep()

nikic · nikic · commit 96840a280f60 · 2019-09-18T10:13:35.000+02:00
To see if intermittent CI failures are caused by a signal interrupt.
diff --git a/ext/standard/basic_functions.c b/ext/standard/basic_functions.c
@@ -3904,7 +3904,12 @@ PHP_FUNCTION(usleep)
 		php_error_docref(NULL, E_WARNING, "Number of microseconds must be greater than or equal to 0");
 		RETURN_FALSE;
 	}
-	usleep((unsigned int)num);
+	if (usleep((unsigned int)num) < 0) {
+#if ZEND_DEBUG
+		php_error_docref(NULL, E_NOTICE, "usleep() failed with errno %d: %s",
+			errno, strerror(errno));
+#endif
+	}
 #endif
 }
 /* }}} */

Original file line number	Diff line number	Diff line change
`@@ -3904,7 +3904,12 @@ PHP_FUNCTION(usleep)`
`3904`	`3904`	`php_error_docref(NULL, E_WARNING, "Number of microseconds must be greater than or equal to 0");`
`3905`	`3905`	`RETURN_FALSE;`
`3906`	`3906`	`}`
`3907`		`- usleep((unsigned int)num);`
	`3907`	`+ if (usleep((unsigned int)num) < 0) {`
	`3908`	`+#if ZEND_DEBUG`
	`3909`	`+ php_error_docref(NULL, E_NOTICE, "usleep() failed with errno %d: %s",`
	`3910`	`+ errno, strerror(errno));`
	`3911`	`+#endif`
	`3912`	`+ }`
`3908`	`3913`	`#endif`
`3909`	`3914`	`}`
`3910`	`3915`	`/* }}} */`