extmod/modutimeq: Make time_less_than be actually "less than", not less/eq.

pfalcon · pfalcon · commit 7327966da73b · 2016-12-24T00:06:29.000+03:00
This fixes an obvious case of non-fair scheduling of 2 tasks with the same
deadline.
diff --git a/extmod/modutimeq.c b/extmod/modutimeq.c
@@ -66,7 +66,7 @@ STATIC bool time_less_than(struct qentry *item, struct qentry *parent) {
     if ((mp_int_t)res < 0) {
         res += MODULO;
     }
-    return res < (MODULO / 2);
+    return res && res < (MODULO / 2);
 }
 
 STATIC mp_obj_t utimeq_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) {

Original file line number	Diff line number	Diff line change
`@@ -66,7 +66,7 @@ STATIC bool time_less_than(struct qentry item, struct qentry parent) {`
`66`	`66`	`if ((mp_int_t)res < 0) {`
`67`	`67`	`res += MODULO;`
`68`	`68`	`}`
`69`		`- return res < (MODULO / 2);`
	`69`	`+ return res && res < (MODULO / 2);`
`70`	`70`	`}`
`71`	`71`
`72`	`72`	`STATIC mp_obj_t utimeq_make_new(const mp_obj_type_t type, size_t n_args, size_t n_kw, const mp_obj_t args) {`