gistfile1.txt

typedef struct _pthread
{
        long           sig;           /* Unique signature for this structure */
        struct __darwin_pthread_handler_rec *__cleanup_stack;
        pthread_lock_t lock;          /* Used for internal mutex on structure */
        uint32_t        detached:8,
                        inherit:8,
                        policy:8,
                        freeStackOnExit:1,
                        newstyle:1,
                        kernalloc:1,
                        schedset:1,
                        wqthread:1,
                        wqkillset:1,
                        pad:2;
        size_t         guardsize;       /* size in bytes to guard stack overflow */
#if  !defined(__LP64__)
        int            pad0;            /* for backwards compatibility */
#endif
        struct sched_param param;
        struct _pthread_mutex *mutexes;
        struct _pthread *joiner;
#if !defined(__LP64__)
        int             pad1;           /* for backwards compatibility */
#endif
        void           *exit_value;
        semaphore_t    death;           /* pthread_join() uses this to wait for death's call */
        mach_port_t    kernel_thread; /* kernel thread this thread is bound to */
        void           *(*fun)(void*);/* Thread start routine */
        void           *arg;          /* Argment for thread start routine */
        int            cancel_state;  /* Whether thread can be cancelled */
        int            err_no;          /* thread-local errno */
        void           *tsd[_EXTERNAL_POSIX_THREAD_KEYS_MAX + _INTERNAL_POSIX_THREAD_KEYS_MAX];  /* Thread specific data */
        void           *stackaddr;     /* Base of the stack (is aligned on vm_page_size boundary */
        size_t         stacksize;      /* Size of the stack (is a multiple of vm_page_size and >= PTHREAD_STACK_MIN) */
        mach_port_t    reply_port;     /* Cached MiG reply port */
#if defined(__LP64__)
        int             pad2;           /* for natural alignment */
#endif
        void           *cthread_self;  /* cthread_self() if somebody calls cthread_set_self() */
        /* protected by list lock */
        uint32_t        childrun:1,
                        parentcheck:1,
                        childexit:1,
                        pad3:29;
#if defined(__LP64__)
        int             pad4;           /* for natural alignment */
#endif
        TAILQ_ENTRY(_pthread) plist;
        void *  freeaddr;
        size_t  freesize;
        mach_port_t     joiner_notify;
        char    pthread_name[MAXTHREADNAMESIZE];                /* including nulll the name */
        int     max_tsd_key;
        void *  cur_workq;
        void * cur_workitem;
        uint64_t thread_id;
} *pthread_t;