forked from Qortal/Brooklyn
2a709f28fa
* 0day explit mitigation * Memory corruption prevention * Privilege escalation prevention * Buffer over flow prevention * File System corruption defense * Thread escape prevention This may very well be the most intensive inclusion to BrooklynR. This will not be part of an x86 suite nor it will be released as tool kit. The security core toolkit will remain part of kernel base.
75 lines
2.2 KiB
C
75 lines
2.2 KiB
C
/*
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* kernel/workqueue_internal.h
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*
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* Workqueue internal header file. Only to be included by workqueue and
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* core kernel subsystems.
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*/
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#ifndef _KERNEL_WORKQUEUE_INTERNAL_H
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#define _KERNEL_WORKQUEUE_INTERNAL_H
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#include <linux/workqueue.h>
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#include <linux/kthread.h>
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struct worker_pool;
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/*
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* The poor guys doing the actual heavy lifting. All on-duty workers are
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* either serving the manager role, on idle list or on busy hash. For
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* details on the locking annotation (L, I, X...), refer to workqueue.c.
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*
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* Only to be used in workqueue and async.
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*/
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struct worker {
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/* on idle list while idle, on busy hash table while busy */
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union {
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struct list_head entry; /* L: while idle */
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struct hlist_node hentry; /* L: while busy */
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};
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struct work_struct *current_work; /* L: work being processed */
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work_func_t current_func; /* L: current_work's fn */
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struct pool_workqueue *current_pwq; /* L: current_work's pwq */
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bool desc_valid; /* ->desc is valid */
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struct list_head scheduled; /* L: scheduled works */
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/* 64 bytes boundary on 64bit, 32 on 32bit */
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struct task_struct *task; /* I: worker task */
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struct worker_pool *pool; /* I: the associated pool */
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/* L: for rescuers */
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struct list_head node; /* A: anchored at pool->workers */
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/* A: runs through worker->node */
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unsigned long last_active; /* L: last active timestamp */
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unsigned int flags; /* X: flags */
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int id; /* I: worker id */
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/*
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* Opaque string set with work_set_desc(). Printed out with task
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* dump for debugging - WARN, BUG, panic or sysrq.
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*/
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char desc[WORKER_DESC_LEN];
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/* used only by rescuers to point to the target workqueue */
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struct workqueue_struct *rescue_wq; /* I: the workqueue to rescue */
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};
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/**
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* current_wq_worker - return struct worker if %current is a workqueue worker
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*/
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static inline struct worker *current_wq_worker(void)
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{
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if (current->flags & PF_WQ_WORKER)
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return kthread_data(current);
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return NULL;
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}
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/*
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* Scheduler hooks for concurrency managed workqueue. Only to be used from
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* sched/core.c and workqueue.c.
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*/
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void wq_worker_waking_up(struct task_struct *task, int cpu);
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struct task_struct *wq_worker_sleeping(struct task_struct *task);
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#endif /* _KERNEL_WORKQUEUE_INTERNAL_H */
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