diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2023-09-17 13:24:21 +0200 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2023-11-29 15:43:54 +0100 |
| commit | 5431fdd2c181dd2eac218e45b44deb2925fa48f0 (patch) | |
| tree | f2c70579913577d25213659f520dbdd24c6a915f /include/linux/sched | |
| parent | 18caaedaf4c3712ab6821f292598a8f86e6d7972 (diff) | |
ptrace: Convert ptrace_attach() to use lock guards
Created as testing for the conditional guard infrastructure.
Specifically this makes use of the following form:
scoped_cond_guard (mutex_intr, return -ERESTARTNOINTR,
&task->signal->cred_guard_mutex) {
...
}
...
return 0;
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Link: https://lkml.kernel.org/r/20231102110706.568467727%40infradead.org
Diffstat (limited to 'include/linux/sched')
| -rw-r--r-- | include/linux/sched/task.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/sched/task.h b/include/linux/sched/task.h index a23af225c898..4f3dca353556 100644 --- a/include/linux/sched/task.h +++ b/include/linux/sched/task.h @@ -226,4 +226,6 @@ static inline void task_unlock(struct task_struct *p) spin_unlock(&p->alloc_lock); } +DEFINE_GUARD(task_lock, struct task_struct *, task_lock(_T), task_unlock(_T)) + #endif /* _LINUX_SCHED_TASK_H */ |