gthread.h

windows平台下开发gtk程序所需要的库和头文件等

#define g_cond_free(cond)        G_THREAD_CF (cond_free,      (void)0, (cond))
#define g_private_new(destructor) G_THREAD_UF (private_new, (destructor))
#define g_private_get(private_key) G_THREAD_CF (private_get, \
                                                ((gpointer)private_key), \
                                                (private_key))
#define g_private_set(private_key, value) G_THREAD_CF (private_set, \
                                                       (void) (private_key = \
                                                        (GPrivate*) (value)), \
                                                       (private_key, value))
#define g_thread_yield()              G_THREAD_CF (thread_yield, (void)0, ())

#define g_thread_create(func, data, joinable, error)			\
  (g_thread_create_full (func, data, 0, joinable, FALSE, 		\
                         G_THREAD_PRIORITY_NORMAL, error))

GThread* g_thread_create_full  (GThreadFunc            func,
                                gpointer               data,
                                gulong                 stack_size,
                                gboolean               joinable,
                                gboolean               bound,
                                GThreadPriority        priority,
                                GError               **error);
GThread* g_thread_self         (void);
void     g_thread_exit         (gpointer               retval);
gpointer g_thread_join         (GThread               *thread);

void     g_thread_set_priority (GThread               *thread,
                                GThreadPriority        priority);

/* GStaticMutexes can be statically initialized with the value
 * G_STATIC_MUTEX_INIT, and then they can directly be used, that is
 * much easier, than having to explicitly allocate the mutex before
 * use
 */
#define g_static_mutex_lock(mutex) \
    g_mutex_lock (g_static_mutex_get_mutex (mutex))
#define g_static_mutex_trylock(mutex) \
    g_mutex_trylock (g_static_mutex_get_mutex (mutex))
#define g_static_mutex_unlock(mutex) \
    g_mutex_unlock (g_static_mutex_get_mutex (mutex))
void g_static_mutex_init (GStaticMutex *mutex);
void g_static_mutex_free (GStaticMutex *mutex);

struct _GStaticPrivate
{
  /*< private >*/
  guint index;
};
#define G_STATIC_PRIVATE_INIT { 0 }
void     g_static_private_init           (GStaticPrivate   *private_key);
gpointer g_static_private_get            (GStaticPrivate   *private_key);
void     g_static_private_set            (GStaticPrivate   *private_key,
					  gpointer          data,
					  GDestroyNotify    notify);
void     g_static_private_free           (GStaticPrivate   *private_key);

typedef struct _GStaticRecMutex GStaticRecMutex;
struct _GStaticRecMutex
{
  /*< private >*/
  GStaticMutex mutex;
  guint depth;
  GSystemThread owner;
};

#define G_STATIC_REC_MUTEX_INIT { G_STATIC_MUTEX_INIT }
void     g_static_rec_mutex_init        (GStaticRecMutex *mutex);
void     g_static_rec_mutex_lock        (GStaticRecMutex *mutex);
gboolean g_static_rec_mutex_trylock     (GStaticRecMutex *mutex);
void     g_static_rec_mutex_unlock      (GStaticRecMutex *mutex);
void     g_static_rec_mutex_lock_full   (GStaticRecMutex *mutex,
                                         guint            depth);
guint    g_static_rec_mutex_unlock_full (GStaticRecMutex *mutex);
void     g_static_rec_mutex_free        (GStaticRecMutex *mutex);

typedef struct _GStaticRWLock GStaticRWLock;
struct _GStaticRWLock
{
  /*< private >*/
  GStaticMutex mutex;
  GCond *read_cond;
  GCond *write_cond;
  guint read_counter;
  gboolean have_writer;
  guint want_to_read;
  guint want_to_write;
};

#define G_STATIC_RW_LOCK_INIT { G_STATIC_MUTEX_INIT, NULL, NULL, 0, FALSE, 0, 0 }

void      g_static_rw_lock_init           (GStaticRWLock* lock);
void      g_static_rw_lock_reader_lock    (GStaticRWLock* lock);
gboolean  g_static_rw_lock_reader_trylock (GStaticRWLock* lock);
void      g_static_rw_lock_reader_unlock  (GStaticRWLock* lock);
void      g_static_rw_lock_writer_lock    (GStaticRWLock* lock);
gboolean  g_static_rw_lock_writer_trylock (GStaticRWLock* lock);
void      g_static_rw_lock_writer_unlock  (GStaticRWLock* lock);
void      g_static_rw_lock_free           (GStaticRWLock* lock);

void	  g_thread_foreach         	  (GFunc    	  thread_func,
					   gpointer 	  user_data);

typedef enum
{
  G_ONCE_STATUS_NOTCALLED,
  G_ONCE_STATUS_PROGRESS,
  G_ONCE_STATUS_READY  
} GOnceStatus;

typedef struct _GOnce GOnce;
struct _GOnce
{
  volatile GOnceStatus status;
  volatile gpointer retval;
};

#define G_ONCE_INIT { G_ONCE_STATUS_NOTCALLED, NULL }

gpointer g_once_impl (GOnce *once, GThreadFunc func, gpointer arg);

#ifdef G_ATOMIC_OP_MEMORY_BARRIER_NEEDED
# define g_once(once, func, arg) g_once_impl ((once), (func), (arg))
#else /* !G_ATOMIC_OP_MEMORY_BARRIER_NEEDED*/
# define g_once(once, func, arg) \
  (((once)->status == G_ONCE_STATUS_READY) ? \
   (once)->retval : \
   g_once_impl ((once), (func), (arg)))
#endif /* G_ATOMIC_OP_MEMORY_BARRIER_NEEDED */

/* initialize-once guards, keyed by value_location */
G_INLINE_FUNC gboolean  g_once_init_enter       (volatile gsize *value_location);
gboolean                g_once_init_enter_impl  (volatile gsize *value_location);
void                    g_once_init_leave       (volatile gsize *value_location,
                                                 gsize           initialization_value);
#if defined (G_CAN_INLINE) || defined (__G_THREAD_C__)
G_INLINE_FUNC gboolean
g_once_init_enter (volatile gsize *value_location)
{
  if G_LIKELY (g_atomic_pointer_get ((void*volatile*) value_location) != NULL)
    return FALSE;
  else
    return g_once_init_enter_impl (value_location);
}
#endif /* G_CAN_INLINE || __G_THREAD_C__ */

/* these are some convenience macros that expand to nothing if GLib
 * was configured with --disable-threads. for using StaticMutexes,
 * you define them with G_LOCK_DEFINE_STATIC (name) or G_LOCK_DEFINE (name)
 * if you need to export the mutex. With G_LOCK_EXTERN (name) you can
 * declare such an globally defined lock. name is a unique identifier
 * for the protected varibale or code portion. locking, testing and
 * unlocking of such mutexes can be done with G_LOCK(), G_UNLOCK() and
 * G_TRYLOCK() respectively.
 */
extern void glib_dummy_decl (void);
#define G_LOCK_NAME(name)               g__ ## name ## _lock
#ifdef  G_THREADS_ENABLED
#  define G_LOCK_DEFINE_STATIC(name)    static G_LOCK_DEFINE (name)
#  define G_LOCK_DEFINE(name)           \
    GStaticMutex G_LOCK_NAME (name) = G_STATIC_MUTEX_INIT
#  define G_LOCK_EXTERN(name)           extern GStaticMutex G_LOCK_NAME (name)

#  ifdef G_DEBUG_LOCKS
#    define G_LOCK(name)                G_STMT_START{             \
        g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG,                   \
               "file %s: line %d (%s): locking: %s ",             \
               __FILE__,        __LINE__, G_STRFUNC,              \
               #name);                                            \
        g_static_mutex_lock (&G_LOCK_NAME (name));                \
     }G_STMT_END
#    define G_UNLOCK(name)              G_STMT_START{             \
        g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG,                   \
               "file %s: line %d (%s): unlocking: %s ",           \
               __FILE__,        __LINE__, G_STRFUNC,              \
               #name);                                            \
       g_static_mutex_unlock (&G_LOCK_NAME (name));               \
     }G_STMT_END
#    define G_TRYLOCK(name)                                       \
        (g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG,                  \
               "file %s: line %d (%s): try locking: %s ",         \
               __FILE__,        __LINE__, G_STRFUNC,              \
               #name), g_static_mutex_trylock (&G_LOCK_NAME (name)))
#  else  /* !G_DEBUG_LOCKS */
#    define G_LOCK(name) g_static_mutex_lock       (&G_LOCK_NAME (name))
#    define G_UNLOCK(name) g_static_mutex_unlock   (&G_LOCK_NAME (name))
#    define G_TRYLOCK(name) g_static_mutex_trylock (&G_LOCK_NAME (name))
#  endif /* !G_DEBUG_LOCKS */
#else   /* !G_THREADS_ENABLED */
#  define G_LOCK_DEFINE_STATIC(name)    extern void glib_dummy_decl (void)
#  define G_LOCK_DEFINE(name)           extern void glib_dummy_decl (void)
#  define G_LOCK_EXTERN(name)           extern void glib_dummy_decl (void)
#  define G_LOCK(name)
#  define G_UNLOCK(name)
#  define G_TRYLOCK(name)               (TRUE)
#endif  /* !G_THREADS_ENABLED */

G_END_DECLS

#endif /* __G_THREAD_H__ */