Daemons

include/thread/daemon.h

struct daemon_thread

struct daemon_thread {
    struct list_head            list_node;
    bool                        background;
    struct thread               *thread;
    struct daemon               *daemon;
    atomic_bool                 executing_work;
    enum daemon_thread_command  command;
};

struct daemon_thread referenced types:

• struct list_head
• struct thread
• struct daemon
• enum daemon_thread_command

struct daemon_work

struct daemon_work {
    daemon_fn         function;
    struct work_args  args;
    struct daemon     *daemon;
    void              *private;
};

struct daemon_work referenced types:

• daemon_fn
• struct work_args
• struct daemon

struct daemon_attributes

struct daemon_attributes {
    size_t             max_timesharing_threads;
    atomic_size_t      timesharing_threads;
    atomic_size_t      idle_timesharing_threads;
    atomic_bool        background_thread_present;
    struct cpu_mask    thread_cpu_mask;
    enum daemon_flags  flags;
};

struct daemon_attributes referenced types:

• struct cpu_mask
• enum daemon_flags

struct daemon

struct daemon {
    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;
    enum daemon_state         state;
};

struct daemon referenced types:

• struct semaphore
• struct list_head
• struct daemon_work
• struct daemon_thread
• struct workqueue
• struct daemon_attributes
• struct spinlock
• enum daemon_state

enum daemon_thread_command

enum daemon_thread_command {
    DAEMON_THREAD_COMMAND_NONE,
    DAEMON_THREAD_COMMAND_EXIT,
    DAEMON_THREAD_COMMAND_RESTART,
    DAEMON_THREAD_COMMAND_SLEEP,
    DAEMON_THREAD_COMMAND_DEFAULT = DAEMON_THREAD_COMMAND_SLEEP,
};

enum daemon_flags

enum daemon_flags {
    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,
};

enum daemon_state

enum daemon_state {
    DAEMON_STATE_ACTIVE,
    DAEMON_STATE_DESTROYING,
    DAEMON_STATE_DEAD,
};

type alias daemon_fn

typedef enum daemon_thread_command (*daemon_fn)(struct daemon_work * work, struct daemon_thread * executor, void * arg, void * arg2);

type alias daemon_fn referenced types:

• enum daemon_thread_command
• struct daemon_work
• struct daemon_thread

daemon_state_str

char daemon_state_str(enum daemon_state s);

daemon_state_str referenced types:

• enum daemon_state

Defines

DAEMON_WORK_FROM(fn, a)

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

daemon_thread_from_list_node(ln)

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

DAEMON_FLAG_TEST(daemon, flag)

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

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