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charmOS docs

spinlock

include/sync/spinlock.h View source View on GitHub

Structs

Section titled “Structs”

spinlock

Section titled “spinlock”
struct spinlock {
    _Atomic uint8_t  state;
};

Functions

Section titled “Functions”

spinlock_init

Section titled “spinlock_init”
void spinlock_init(struct spinlock *lock);

spin_trylock_raw

Section titled “spin_trylock_raw”
bool spin_trylock_raw(struct spinlock *lock);

spin_raw

Section titled “spin_raw”
void spin_raw(struct spinlock *lock);

spin_lock_raw

Section titled “spin_lock_raw”
void spin_lock_raw(struct spinlock *lock);

spin_unlock_raw

Section titled “spin_unlock_raw”
void spin_unlock_raw(struct spinlock *lock);

spin_unlock

Section titled “spin_unlock”
void spin_unlock(struct spinlock *lock, enum irql old);

spin_lock

Section titled “spin_lock”
enum irql spin_lock(struct spinlock *lock);

spin_lock_irq_disable

Section titled “spin_lock_irq_disable”
enum irql spin_lock_irq_disable(struct spinlock *lock);

spin_trylock

Section titled “spin_trylock”
bool spin_trylock(struct spinlock *lock, enum irql *out);

spin_trylock_irq_disable

Section titled “spin_trylock_irq_disable”
bool spin_trylock_irq_disable(struct spinlock *lock, enum irql *out);

spinlock_held

Section titled “spinlock_held”
bool spinlock_held(struct spinlock *lock);

Macros

Section titled “Macros”
Section titled “SPINLOCK_COOKIE_MAGIC”
#define SPINLOCK_COOKIE_MAGIC 0xBEEB00

SPINLOCK_INIT

Section titled “SPINLOCK_INIT”
#define SPINLOCK_INIT \
    {.state = ATOMIC_VAR_INIT(0), \
     .acquired_high = false, \
     .initialized_magic = SPINLOCK_COOKIE_MAGIC}

SPINLOCK_INIT

Section titled “SPINLOCK_INIT”
#define SPINLOCK_INIT {ATOMIC_VAR_INIT(0)}

SPINLOCK_ASSERT_HELD

Section titled “SPINLOCK_ASSERT_HELD”
#define SPINLOCK_ASSERT_HELD(l) kassert(spinlock_held(l))