Subversion Repositories HelenOS

Rev

Rev 2105 | Rev 2216 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 2105 Rev 2106
Line 56... Line 56...
56 
 
 56 
 
57 
/** Task structure. */
 57 
/** Task structure. */
58 
typedef struct task {
 58 
typedef struct task {
59 
    /** Task lock.
 59 
    /** Task lock.
60 
     *
 60 
     *
61 
     * Must be acquired before threads_lock and thread lock of any of its threads.
 61 
     * Must be acquired before threads_lock and thread lock of any of its
- 
 
 62 
     * threads.
62 
     */
 63 
     */
63 
    SPINLOCK_DECLARE(lock);
 64 
    SPINLOCK_DECLARE(lock);
64 
   
 65 
   
65 
    char *name;
 66 
    char *name;
66 
    struct thread *main_thread; /**< Pointer to the main thread. */
 67 
    /** Pointer to the main thread. */
- 
 
 68 
    struct thread *main_thread;
67 
    link_t th_head;     /**< List of threads contained in this task. */
 69 
    /** List of threads contained in this task. */
- 
 
 70 
    link_t th_head;
68 
    as_t *as;       /**< Address space. */
 71 
    /** Address space. */
- 
 
 72 
    as_t *as;
69 
    task_id_t taskid;   /**< Unique identity of task */
 73 
    /** Unique identity of task. */
- 
 
 74 
    task_id_t taskid;
70 
    context_id_t context;   /**< Task security context */
 75 
    /** Task security context. */
- 
 
 76 
    context_id_t context;  
71 
 
 77 
 
72 
    /** If this is true, new threads can become part of the task. */
 78 
    /** If this is true, new threads can become part of the task. */
73 
    bool accept_new_threads;
 79 
    bool accept_new_threads;
- 
 
 80 
    /** Number of references (i.e. threads). */
- 
 
 81 
    count_t refcount;  
74 
 
 82 
 
75 
    count_t refcount;   /**< Number of references (i.e. threads). */
 83 
    /** Task capabilities. */
76 
 
 - 
 
77 
    cap_t capabilities; /**< Task capabilities. */
 84 
    cap_t capabilities;
78 
 
 85 
 
79 
    /* IPC stuff */
 86 
    /* IPC stuff */
80 
    answerbox_t answerbox;  /**< Communication endpoint */
 87 
    answerbox_t answerbox;  /**< Communication endpoint */
81 
    phone_t phones[IPC_MAX_PHONES];
 88 
    phone_t phones[IPC_MAX_PHONES];
82 
    atomic_t active_calls;  /**< Active asynchronous messages.
 - 
 
- 
 
 89 
    /**
83 
                 *   It is used for limiting uspace to
 90 
     * Active asynchronous messages. It is used for limiting uspace to
84 
                 *   certain extent. */
 91 
     * certain extent.
- 
 
 92 
     */
- 
 
 93 
    atomic_t active_calls;  
85 
   
 94 
   
86 
    task_arch_t arch;   /**< Architecture specific task data. */
 95 
    /** Architecture specific task data. */
- 
 
 96 
    task_arch_t arch;  
87 
   
 97 
   
88 
    /**
 98 
    /**
89 
     * Serializes access to the B+tree of task's futexes. This mutex is
 99 
     * Serializes access to the B+tree of task's futexes. This mutex is
90 
     * independent on the task spinlock.
 100 
     * independent on the task spinlock.
91 
     */
 101 
     */
92 
    mutex_t futexes_lock;
 102 
    mutex_t futexes_lock;
93 
    btree_t futexes;    /**< B+tree of futexes referenced by this task. */
 103 
    /** B+tree of futexes referenced by this task. */
- 
 
 104 
    btree_t futexes;   
94 
   
 105 
   
95 
    uint64_t cycles;    /**< Accumulated accounting. */
 106 
    /** Accumulated accounting. */
- 
 
 107 
    uint64_t cycles;
96 
} task_t;
 108 
} task_t;
97 
 
 109 
 
98 
SPINLOCK_EXTERN(tasks_lock);
 110 
SPINLOCK_EXTERN(tasks_lock);
99 
extern btree_t tasks_btree;
 111 
extern btree_t tasks_btree;
100 
 
 112