From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Wed, 2 Aug 2017 04:43:44 +0000 (+0900)
Subject: process-util: add sched_{policy,priority}_is_valid()
X-Git-Tag: v235~248^2~2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=29ea9f0f42c20d9cad137ea7f7b0e19b630e5235;p=thirdparty%2Fsystemd.git

process-util: add sched_{policy,priority}_is_valid()
---

diff --git a/src/basic/process-util.h b/src/basic/process-util.h
index b45d60dbd14..913991b3cb2 100644
--- a/src/basic/process-util.h
+++ b/src/basic/process-util.h
@@ -20,6 +20,7 @@
 ***/
 
 #include <alloca.h>
+#include <sched.h>
 #include <signal.h>
 #include <stdbool.h>
 #include <stddef.h>
@@ -110,6 +111,14 @@ static inline bool nice_is_valid(int n) {
         return n >= PRIO_MIN && n < PRIO_MAX;
 }
 
+static inline bool sched_policy_is_valid(int i) {
+        return IN_SET(i, SCHED_OTHER, SCHED_BATCH, SCHED_IDLE, SCHED_FIFO, SCHED_RR);
+}
+
+static inline bool sched_priority_is_valid(int i) {
+        return i >= 0 && i <= sched_get_priority_max(SCHED_RR);
+}
+
 static inline bool ioprio_class_is_valid(int i) {
         return IN_SET(i, IOPRIO_CLASS_NONE, IOPRIO_CLASS_RT, IOPRIO_CLASS_BE, IOPRIO_CLASS_IDLE);
 }