Daemons

include/thread/daemon.h View source View on GitHub

Structs

daemon_thread

struct daemon_thread (6 fields) source

§ struct list_node list_node

§ bool background

§ struct thread *thread

§ struct daemon *daemon

What daemon are we attached to?

§ atomic_bool executing_work

§ enum daemon_thread_command command

daemon_work

struct daemon_work (4 fields) source

§ daemon_fn function

§ struct work_args args

§ struct daemon *daemon

§ void *private

Whatever anything wants

daemon_attributes

struct daemon_attributes (7 fields) source

§ size_t max_timesharing_threads

§ size_t min_timesharing_threads

§ atomic_size_t timesharing_threads

Internal

§ atomic_size_t idle_timesharing_threads

Internal

§ atomic_bool background_thread_present

Internal

§ struct cpu_mask thread_cpu_mask

§ enum daemon_flags flags

daemon

struct daemon (12 fields) source

§ char *name

§ struct semaphore ts_sem

§ struct semaphore bg_sem

§ struct list_head timesharing_threads

§ struct daemon_work *timesharing_work

§ struct daemon_thread *background_thread

§ struct daemon_work *background_work

§ struct workqueue *workqueue

§ struct daemon_attributes attrs

§ struct spinlock lock

§ refcount_t refcount

§ atomic(enum daemon_state) state

Enums

daemon_thread_command

enum daemon_thread_command (5 variants) source

These commands are sent back up to the daemon thread executing a daemon work and are operated upon the completion of the daemon work

§ DAEMON_THREAD_COMMAND_NONE

§ DAEMON_THREAD_COMMAND_EXIT

Daemon thread exit

§ DAEMON_THREAD_COMMAND_RESTART

Restart the function

§ DAEMON_THREAD_COMMAND_SLEEP

Go to sleep

§ DAEMON_THREAD_COMMAND_DEFAULT = DAEMON_THREAD_COMMAND_SLEEP

daemon_flags

enum daemon_flags (5 variants) source

§ DAEMON_FLAG_HAS_WORKQUEUE = 1

§ DAEMON_FLAG_HAS_NAME = 1 << 1

§ DAEMON_FLAG_AUTO_SPAWN = 1 << 2

§ DAEMON_FLAG_NO_TS_THREADS = 1 << 3

§ DAEMON_FLAG_NONE = 0

daemon_state

enum daemon_state (3 variants) source

§ DAEMON_STATE_ACTIVE

§ DAEMON_STATE_DESTROYING

§ DAEMON_STATE_DEAD

Type Aliases

daemon_fn

typedef enum daemon_thread_command (*daemon_fn)(
    void * arg,
    void * arg2
)

source

Functions

daemon_state_str

const char * daemon_state_str(enum daemon_state s)

source

daemon_create_full

struct daemon * daemon_create_full(
    struct daemon_attributes *attrs,
    struct daemon_work *timesharing_work,
    struct daemon_work *background_work,
    struct workqueue_attributes *wq_attrs,
    const char *fmt
)

source

daemon_destroy

void daemon_destroy(struct daemon *daemon)

source

daemon_spawn_worker

struct daemon_thread * daemon_spawn_worker(struct daemon *daemon)

source

daemon_submit_oneshot_work

enum workqueue_error daemon_submit_oneshot_work(
    struct daemon *daemon,
    work_function func,
    struct work_args args
)

source

daemon_submit_work

enum workqueue_error daemon_submit_work(
    struct daemon *daemon,
    struct work *work
)

source

daemon_print

void daemon_print(struct daemon *daemon)

source

daemon_wake_background_worker

void daemon_wake_background_worker(struct daemon *daemon)

source

daemon_wake_timesharing_worker

void daemon_wake_timesharing_worker(struct daemon *daemon)

source

daemon_wake_all_idle_timesharing_workers

void daemon_wake_all_idle_timesharing_workers(struct daemon *daemon)

source

Macros

DAEMON_WORK_FROM

#define DAEMON_WORK_FROM(fn, a)

source

Expansion

#define DAEMON_WORK_FROM(fn, a) \
    ((struct daemon_work) {.function = fn, .args = a})

daemon_thread_from_list_node

#define daemon_thread_from_list_node(ln)

source

Expansion

#define daemon_thread_from_list_node(ln) \
    container_of(ln, struct daemon_thread, list_node)

daemon_create

#define daemon_create(name, attrs, timesharing_work, background_work, \ wq_attrs)

source

Expansion

#define daemon_create(name, attrs, timesharing_work, background_work, \
                      wq_attrs) \
    daemon_create_full((attrs), (timesharing_work), (background_work), \
                       (wq_attrs), PP_UNPAREN(name))

DAEMON_FLAG_TEST

#define DAEMON_FLAG_TEST(daemon, flag)

source

Expansion

#define DAEMON_FLAG_TEST(daemon, flag) (daemon->attrs.flags & flag)