From b750101eb236130cf056c675997decbac904cc49 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 17:35:18 +0200 Subject: Adding upstream version 252.22. Signed-off-by: Daniel Baumann --- src/basic/ioprio-util.h | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 src/basic/ioprio-util.h (limited to 'src/basic/ioprio-util.h') diff --git a/src/basic/ioprio-util.h b/src/basic/ioprio-util.h new file mode 100644 index 0000000..b8c9b7d --- /dev/null +++ b/src/basic/ioprio-util.h @@ -0,0 +1,27 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +#pragma once + +#include "macro.h" +#include "missing_ioprio.h" + +int ioprio_class_to_string_alloc(int i, char **s); +int ioprio_class_from_string(const char *s); + +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); +} + +static inline bool ioprio_priority_is_valid(int i) { + return i >= 0 && i < IOPRIO_BE_NR; +} + +int ioprio_parse_priority(const char *s, int *ret); + +/* IOPRIO_CLASS_NONE with any prio value is another way to say IOPRIO_CLASS_BE with level 4. Encode that in a + * proper macro. */ +#define IOPRIO_DEFAULT_CLASS_AND_PRIO ioprio_prio_value(IOPRIO_CLASS_BE, 4) + +static inline int ioprio_normalize(int v) { + /* Converts IOPRIO_CLASS_NONE to what it actually means */ + return ioprio_prio_class(v) == IOPRIO_CLASS_NONE ? IOPRIO_DEFAULT_CLASS_AND_PRIO : v; +} -- cgit v1.2.3