core: make IOSchedulingClass= and IOSchedulingPriority= settable for transient units

[elogind.git] / src / basic / process-util.c

diff --git a/src/basic/process-util.c b/src/basic/process-util.c
index cb41fbf3199f266881ee6de908dd06f52393c56c..da825a7c3c5f6d2916980430d71f2e6d8bae870e 100644 (file)
--- a/src/basic/process-util.c
+++ b/src/basic/process-util.c
@@ -914,6 +914,23 @@ int pid_compare_func(const void *a, const void *b) {
         return 0;
 }
 
+int ioprio_parse_priority(const char *s, int *ret) {
+        int i, r;
+
+        assert(s);
+        assert(ret);
+
+        r = safe_atoi(s, &i);
+        if (r < 0)
+                return r;
+
+        if (!ioprio_priority_is_valid(i))
+                return -EINVAL;
+
+        *ret = i;
+        return 0;
+}
+
 static const char *const ioprio_class_table[] = {
         [IOPRIO_CLASS_NONE] = "none",
         [IOPRIO_CLASS_RT] = "realtime",