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
135 lines
4.3 KiB
C
135 lines
4.3 KiB
C
#ifndef __LINUX_RWLOCK_H
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#define __LINUX_RWLOCK_H
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#ifndef __LINUX_INSIDE_SPINLOCK_H
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# error "Please do not include this file directly."
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#endif
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/*
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* rwlock related methods
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*
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* split out from spinlock.h
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*
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* portions Copyright 2005, Red Hat, Inc., Ingo Molnar
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* Released under the General Public License (GPL).
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*/
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#ifdef CONFIG_DEBUG_SPINLOCK
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extern void __rwlock_init(rwlock_t *lock, const char *name,
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struct lock_class_key *key);
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# define rwlock_init(lock) \
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do { \
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static struct lock_class_key __key; \
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\
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__rwlock_init((lock), #lock, &__key); \
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} while (0)
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#else
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# define rwlock_init(lock) \
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do { *(lock) = __RW_LOCK_UNLOCKED(lock); } while (0)
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#endif
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#ifdef CONFIG_DEBUG_SPINLOCK
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extern void do_raw_read_lock(rwlock_t *lock) __acquires_shared(lock);
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extern int do_raw_read_trylock(rwlock_t *lock) __cond_acquires_shared(true, lock);
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extern void do_raw_read_unlock(rwlock_t *lock) __releases_shared(lock);
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extern void do_raw_write_lock(rwlock_t *lock) __acquires(lock);
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extern int do_raw_write_trylock(rwlock_t *lock) __cond_acquires(true, lock);
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extern void do_raw_write_unlock(rwlock_t *lock) __releases(lock);
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#else
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# define do_raw_read_lock(rwlock) do {__acquire_shared(lock); arch_read_lock(&(rwlock)->raw_lock); } while (0)
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static inline int do_raw_read_trylock(rwlock_t *rwlock)
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__cond_acquires_shared(true, rwlock)
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__no_context_analysis
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{
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return arch_read_trylock(&(rwlock)->raw_lock);
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}
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# define do_raw_read_unlock(rwlock) do {arch_read_unlock(&(rwlock)->raw_lock); __release_shared(lock); } while (0)
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# define do_raw_write_lock(rwlock) do {__acquire(lock); arch_write_lock(&(rwlock)->raw_lock); } while (0)
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static inline int do_raw_write_trylock(rwlock_t *rwlock)
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__cond_acquires(true, rwlock)
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__no_context_analysis
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{
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return arch_write_trylock(&(rwlock)->raw_lock);
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}
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# define do_raw_write_unlock(rwlock) do {arch_write_unlock(&(rwlock)->raw_lock); __release(lock); } while (0)
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#endif
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/*
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* Define the various rw_lock methods. Note we define these
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* regardless of whether CONFIG_SMP or CONFIG_PREEMPT are set. The various
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* methods are defined as nops in the case they are not required.
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*/
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#define read_trylock(lock) _raw_read_trylock(lock)
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#define write_trylock(lock) _raw_write_trylock(lock)
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#define write_lock(lock) _raw_write_lock(lock)
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#define read_lock(lock) _raw_read_lock(lock)
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#ifdef CONFIG_DEBUG_LOCK_ALLOC
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#define write_lock_nested(lock, subclass) _raw_write_lock_nested(lock, subclass)
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#else
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#define write_lock_nested(lock, subclass) _raw_write_lock(lock)
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#endif
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#if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)
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#define read_lock_irqsave(lock, flags) \
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do { \
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typecheck(unsigned long, flags); \
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flags = _raw_read_lock_irqsave(lock); \
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} while (0)
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#define write_lock_irqsave(lock, flags) \
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do { \
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typecheck(unsigned long, flags); \
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flags = _raw_write_lock_irqsave(lock); \
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} while (0)
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#else
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#define read_lock_irqsave(lock, flags) \
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do { \
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typecheck(unsigned long, flags); \
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_raw_read_lock_irqsave(lock, flags); \
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} while (0)
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#define write_lock_irqsave(lock, flags) \
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do { \
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typecheck(unsigned long, flags); \
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_raw_write_lock_irqsave(lock, flags); \
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} while (0)
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#endif
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#define read_lock_irq(lock) _raw_read_lock_irq(lock)
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#define read_lock_bh(lock) _raw_read_lock_bh(lock)
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#define write_lock_irq(lock) _raw_write_lock_irq(lock)
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#define write_lock_bh(lock) _raw_write_lock_bh(lock)
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#define read_unlock(lock) _raw_read_unlock(lock)
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#define write_unlock(lock) _raw_write_unlock(lock)
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#define read_unlock_irq(lock) _raw_read_unlock_irq(lock)
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#define write_unlock_irq(lock) _raw_write_unlock_irq(lock)
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#define read_unlock_irqrestore(lock, flags) \
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do { \
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typecheck(unsigned long, flags); \
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_raw_read_unlock_irqrestore(lock, flags); \
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} while (0)
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#define read_unlock_bh(lock) _raw_read_unlock_bh(lock)
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#define write_unlock_irqrestore(lock, flags) \
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do { \
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typecheck(unsigned long, flags); \
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_raw_write_unlock_irqrestore(lock, flags); \
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} while (0)
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#define write_unlock_bh(lock) _raw_write_unlock_bh(lock)
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#define write_trylock_irqsave(lock, flags) _raw_write_trylock_irqsave(lock, &(flags))
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#ifdef arch_rwlock_is_contended
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#define rwlock_is_contended(lock) \
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arch_rwlock_is_contended(&(lock)->raw_lock)
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#else
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#define rwlock_is_contended(lock) ((void)(lock), 0)
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#endif /* arch_rwlock_is_contended */
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#endif /* __LINUX_RWLOCK_H */
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