vasilito
dc68054305
- Restore 29 recipe symlinks (libdrm, qtbase, dbus, sddm, pipewire, etc.) - Restore 33 patches (KDE, libdrm, mesa, pipewire, sddm, wireplumber) - Restore 20+ local/scripts (audit, lint, test, build helpers) - Restore src/cook/scheduler.rs, status.rs, gnu-config/ - Restore scripts/patch-inclusion-gate.sh, run_mini1.sh, validate-collision-log.sh - Recover TLC source from HEAD (was overwritten by 0.2.3 checkout) - Recover 11 local/docs plans from HEAD (were overwritten) - Recover qt6-wayland-smoke symlink from HEAD - Fix MOTD: remove garbled ASCII art, use clean text - Update version: 0.2.0 -> 0.2.4 in os-release, motd, config - Reduce filesystem_size: 1536 -> 512 MiB - Add ABSOLUTE RULE to AGENTS.md: never delete/ignore packages - Reduce pcid scheme log verbosity: info -> debug
97 lines
2.7 KiB
C
97 lines
2.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Freezer declarations */
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#ifndef FREEZER_H_INCLUDED
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#define FREEZER_H_INCLUDED
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#include <linux/debug_locks.h>
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#include <linux/sched.h>
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#include <linux/wait.h>
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#include <linux/atomic.h>
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#include <linux/jump_label.h>
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#ifdef CONFIG_FREEZER
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DECLARE_STATIC_KEY_FALSE(freezer_active);
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extern bool pm_freezing; /* PM freezing in effect */
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extern bool pm_nosig_freezing; /* PM nosig freezing in effect */
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/*
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* Timeout for stopping processes
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*/
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extern unsigned int freeze_timeout_msecs;
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/*
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* Check if a process has been frozen for PM or cgroup1 freezer. Note that
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* cgroup2 freezer uses the job control mechanism and does not interact with
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* the PM freezer.
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*/
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extern bool frozen(struct task_struct *p);
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extern bool freezing_slow_path(struct task_struct *p);
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/*
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* Check if there is a request to freeze a task from PM or cgroup1 freezer.
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* Note that cgroup2 freezer uses the job control mechanism and does not
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* interact with the PM freezer.
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*/
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static inline bool freezing(struct task_struct *p)
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{
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if (static_branch_unlikely(&freezer_active))
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return freezing_slow_path(p);
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return false;
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}
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/* Takes and releases task alloc lock using task_lock() */
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extern void __thaw_task(struct task_struct *t);
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extern bool __refrigerator(bool check_kthr_stop);
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extern int freeze_processes(void);
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extern int freeze_kernel_threads(void);
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extern void thaw_processes(void);
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extern void thaw_kernel_threads(void);
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extern void thaw_process(struct task_struct *p);
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static inline bool try_to_freeze(void)
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{
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might_sleep();
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if (likely(!freezing(current)))
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return false;
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if (!(current->flags & PF_NOFREEZE))
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debug_check_no_locks_held();
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return __refrigerator(false);
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}
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extern bool freeze_task(struct task_struct *p);
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extern bool set_freezable(void);
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#ifdef CONFIG_CGROUP_FREEZER
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extern bool cgroup1_freezing(struct task_struct *task);
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#else /* !CONFIG_CGROUP_FREEZER */
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static inline bool cgroup1_freezing(struct task_struct *task)
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{
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return false;
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}
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#endif /* !CONFIG_CGROUP_FREEZER */
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#else /* !CONFIG_FREEZER */
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static inline bool frozen(struct task_struct *p) { return false; }
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static inline bool freezing(struct task_struct *p) { return false; }
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static inline void __thaw_task(struct task_struct *t) {}
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static inline bool __refrigerator(bool check_kthr_stop) { return false; }
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static inline int freeze_processes(void) { return -ENOSYS; }
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static inline int freeze_kernel_threads(void) { return -ENOSYS; }
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static inline void thaw_processes(void) {}
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static inline void thaw_kernel_threads(void) {}
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static inline void thaw_process(struct task_struct *p) {}
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static inline bool try_to_freeze(void) { return false; }
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static inline void set_freezable(void) {}
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#endif /* !CONFIG_FREEZER */
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#endif /* FREEZER_H_INCLUDED */
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