diff options
| author | Richard Braun <rbraun@sceen.net> | 2017-09-01 23:58:41 +0200 |
|---|---|---|
| committer | Richard Braun <rbraun@sceen.net> | 2017-09-02 15:25:37 +0200 |
| commit | d18d0e85596f90e0bd597b33d58209d0b3973c95 (patch) | |
| tree | 6c3472f59cf64244ab86d2fc13b220b1c8f61165 /kern/task.h | |
| parent | 897ad6a062ea2a32a2759613608faf3271211832 (diff) | |
Make assert have no side effects
This makes sure symbols referenced by assert uses may not be generated
if unused. The recently introduced __unused macro is used to suppress
compiler warnings resulting from this change.
Diffstat (limited to 'kern/task.h')
| -rw-r--r-- | kern/task.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/kern/task.h b/kern/task.h index 1711fbe..149ff49 100644 --- a/kern/task.h +++ b/kern/task.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2012 Richard Braun. + * Copyright (c) 2012-2017 Richard Braun. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -21,6 +21,7 @@ #include <kern/atomic.h> #include <kern/init.h> #include <kern/list.h> +#include <kern/macros.h> #include <kern/spinlock.h> #include <kern/thread.h> #include <vm/vm_map.h> @@ -50,7 +51,7 @@ extern struct task *kernel_task; static inline void task_ref(struct task *task) { - unsigned long nr_refs; + __unused unsigned long nr_refs; nr_refs = atomic_fetch_add(&task->nr_refs, 1, ATOMIC_RELAXED); assert(nr_refs != (unsigned long)-1); |