Skip to content
charmOS docs

mutex

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

Structs

Section titled “Structs”

mutex_simple

Section titled “mutex_simple”
struct mutex_simple {
    struct thread        *owner;
    struct thread_queue  waiters;
    struct spinlock      lock;
};

mutex

Section titled “mutex”
struct mutex {
    _Atomic (uintptr_t)  lock_word;
};

Functions

Section titled “Functions”

mutex_simple_init

Section titled “mutex_simple_init”
void mutex_simple_init(struct mutex_simple *m);

mutex_simple_lock

Section titled “mutex_simple_lock”
void mutex_simple_lock(struct mutex_simple *m);

mutex_simple_unlock

Section titled “mutex_simple_unlock”
void mutex_simple_unlock(struct mutex_simple *m);

mutex_init

Section titled “mutex_init”
void mutex_init(struct mutex *mtx);

mutex_unlock

Section titled “mutex_unlock”
void mutex_unlock(struct mutex *mutex);

mutex_lock

Section titled “mutex_lock”
void mutex_lock(struct mutex *mutex);

mutex_held

Section titled “mutex_held”
bool mutex_held(struct mutex *mtx);

mutex_get_owner

Section titled “mutex_get_owner”
struct thread * mutex_get_owner(struct mutex *mtx);

Macros

Section titled “Macros”

MUTEX_INIT

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

MUTEX_ASSERT_HELD

Section titled “MUTEX_ASSERT_HELD”
#define MUTEX_ASSERT_HELD(m) kassert(mutex_held(m))