mirror of
https://gitlab.gnome.org/GNOME/glib.git
synced 2024-11-14 05:16:18 +01:00
da7a31a052
The user data parameters in callbacks need to be named user_data to generate correct closure attributes in the introspection data. This updates parameters missed in GNOME/glib!2633.
604 lines
18 KiB
C
604 lines
18 KiB
C
/* GLIB - Library of useful routines for C programming
|
|
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
|
|
*
|
|
* SPDX-License-Identifier: LGPL-2.1-or-later
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful, but
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
/*
|
|
* Modified by the GLib Team and others 1997-2000. See the AUTHORS
|
|
* file for a list of people on the GLib Team. See the ChangeLog
|
|
* files for a list of changes. These files are distributed with
|
|
* GLib at ftp://ftp.gtk.org/pub/gtk/.
|
|
*/
|
|
|
|
#ifndef __G_THREAD_H__
|
|
#define __G_THREAD_H__
|
|
|
|
#if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
|
|
#error "Only <glib.h> can be included directly."
|
|
#endif
|
|
|
|
#include <glib/gatomic.h>
|
|
#include <glib/gerror.h>
|
|
#include <glib/gutils.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define G_THREAD_ERROR g_thread_error_quark ()
|
|
GLIB_AVAILABLE_IN_ALL
|
|
GQuark g_thread_error_quark (void);
|
|
|
|
typedef enum
|
|
{
|
|
G_THREAD_ERROR_AGAIN /* Resource temporarily unavailable */
|
|
} GThreadError;
|
|
|
|
typedef gpointer (*GThreadFunc) (gpointer user_data);
|
|
|
|
typedef struct _GThread GThread;
|
|
|
|
typedef union _GMutex GMutex;
|
|
typedef struct _GRecMutex GRecMutex;
|
|
typedef struct _GRWLock GRWLock;
|
|
typedef struct _GCond GCond;
|
|
typedef struct _GPrivate GPrivate;
|
|
typedef struct _GOnce GOnce;
|
|
|
|
union _GMutex
|
|
{
|
|
/*< private >*/
|
|
gpointer p;
|
|
guint i[2];
|
|
};
|
|
|
|
struct _GRWLock
|
|
{
|
|
/*< private >*/
|
|
gpointer p;
|
|
guint i[2];
|
|
};
|
|
|
|
struct _GCond
|
|
{
|
|
/*< private >*/
|
|
gpointer p;
|
|
guint i[2];
|
|
};
|
|
|
|
struct _GRecMutex
|
|
{
|
|
/*< private >*/
|
|
gpointer p;
|
|
guint i[2];
|
|
};
|
|
|
|
#define G_PRIVATE_INIT(notify) { NULL, (notify), { NULL, NULL } }
|
|
struct _GPrivate
|
|
{
|
|
/*< private >*/
|
|
gpointer p;
|
|
GDestroyNotify notify;
|
|
gpointer future[2];
|
|
};
|
|
|
|
typedef enum
|
|
{
|
|
G_ONCE_STATUS_NOTCALLED,
|
|
G_ONCE_STATUS_PROGRESS,
|
|
G_ONCE_STATUS_READY
|
|
} GOnceStatus;
|
|
|
|
#define G_ONCE_INIT { G_ONCE_STATUS_NOTCALLED, NULL }
|
|
struct _GOnce
|
|
{
|
|
volatile GOnceStatus status;
|
|
volatile gpointer retval;
|
|
};
|
|
|
|
#define G_LOCK_NAME(name) g__ ## name ## _lock
|
|
#define G_LOCK_DEFINE_STATIC(name) static G_LOCK_DEFINE (name)
|
|
#define G_LOCK_DEFINE(name) GMutex G_LOCK_NAME (name)
|
|
#define G_LOCK_EXTERN(name) extern GMutex 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_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_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_mutex_trylock (&G_LOCK_NAME (name)))
|
|
#else /* !G_DEBUG_LOCKS */
|
|
# define G_LOCK(name) g_mutex_lock (&G_LOCK_NAME (name))
|
|
# define G_UNLOCK(name) g_mutex_unlock (&G_LOCK_NAME (name))
|
|
# define G_TRYLOCK(name) g_mutex_trylock (&G_LOCK_NAME (name))
|
|
#endif /* !G_DEBUG_LOCKS */
|
|
|
|
GLIB_AVAILABLE_IN_2_32
|
|
GThread * g_thread_ref (GThread *thread);
|
|
GLIB_AVAILABLE_IN_2_32
|
|
void g_thread_unref (GThread *thread);
|
|
GLIB_AVAILABLE_IN_2_32
|
|
GThread * g_thread_new (const gchar *name,
|
|
GThreadFunc func,
|
|
gpointer data);
|
|
GLIB_AVAILABLE_IN_2_32
|
|
GThread * g_thread_try_new (const gchar *name,
|
|
GThreadFunc func,
|
|
gpointer data,
|
|
GError **error);
|
|
GLIB_AVAILABLE_IN_ALL
|
|
GThread * g_thread_self (void);
|
|
GLIB_AVAILABLE_IN_ALL
|
|
void g_thread_exit (gpointer retval);
|
|
GLIB_AVAILABLE_IN_ALL
|
|
gpointer g_thread_join (GThread *thread);
|
|
GLIB_AVAILABLE_IN_ALL
|
|
void g_thread_yield (void);
|
|
|
|
|
|
GLIB_AVAILABLE_IN_2_32
|
|
void g_mutex_init (GMutex *mutex);
|
|
GLIB_AVAILABLE_IN_2_32
|
|
void g_mutex_clear (GMutex *mutex);
|
|
GLIB_AVAILABLE_IN_ALL
|
|
void g_mutex_lock (GMutex *mutex);
|
|
GLIB_AVAILABLE_IN_ALL
|
|
gboolean g_mutex_trylock (GMutex *mutex);
|
|
GLIB_AVAILABLE_IN_ALL
|
|
void g_mutex_unlock (GMutex *mutex);
|
|
|
|
GLIB_AVAILABLE_IN_2_32
|
|
void g_rw_lock_init (GRWLock *rw_lock);
|
|
GLIB_AVAILABLE_IN_2_32
|
|
void g_rw_lock_clear (GRWLock *rw_lock);
|
|
GLIB_AVAILABLE_IN_2_32
|
|
void g_rw_lock_writer_lock (GRWLock *rw_lock);
|
|
GLIB_AVAILABLE_IN_2_32
|
|
gboolean g_rw_lock_writer_trylock (GRWLock *rw_lock);
|
|
GLIB_AVAILABLE_IN_2_32
|
|
void g_rw_lock_writer_unlock (GRWLock *rw_lock);
|
|
GLIB_AVAILABLE_IN_2_32
|
|
void g_rw_lock_reader_lock (GRWLock *rw_lock);
|
|
GLIB_AVAILABLE_IN_2_32
|
|
gboolean g_rw_lock_reader_trylock (GRWLock *rw_lock);
|
|
GLIB_AVAILABLE_IN_2_32
|
|
void g_rw_lock_reader_unlock (GRWLock *rw_lock);
|
|
|
|
GLIB_AVAILABLE_IN_2_32
|
|
void g_rec_mutex_init (GRecMutex *rec_mutex);
|
|
GLIB_AVAILABLE_IN_2_32
|
|
void g_rec_mutex_clear (GRecMutex *rec_mutex);
|
|
GLIB_AVAILABLE_IN_2_32
|
|
void g_rec_mutex_lock (GRecMutex *rec_mutex);
|
|
GLIB_AVAILABLE_IN_2_32
|
|
gboolean g_rec_mutex_trylock (GRecMutex *rec_mutex);
|
|
GLIB_AVAILABLE_IN_2_32
|
|
void g_rec_mutex_unlock (GRecMutex *rec_mutex);
|
|
|
|
GLIB_AVAILABLE_IN_2_32
|
|
void g_cond_init (GCond *cond);
|
|
GLIB_AVAILABLE_IN_2_32
|
|
void g_cond_clear (GCond *cond);
|
|
GLIB_AVAILABLE_IN_ALL
|
|
void g_cond_wait (GCond *cond,
|
|
GMutex *mutex);
|
|
GLIB_AVAILABLE_IN_ALL
|
|
void g_cond_signal (GCond *cond);
|
|
GLIB_AVAILABLE_IN_ALL
|
|
void g_cond_broadcast (GCond *cond);
|
|
GLIB_AVAILABLE_IN_2_32
|
|
gboolean g_cond_wait_until (GCond *cond,
|
|
GMutex *mutex,
|
|
gint64 end_time);
|
|
|
|
GLIB_AVAILABLE_IN_ALL
|
|
gpointer g_private_get (GPrivate *key);
|
|
GLIB_AVAILABLE_IN_ALL
|
|
void g_private_set (GPrivate *key,
|
|
gpointer value);
|
|
GLIB_AVAILABLE_IN_2_32
|
|
void g_private_replace (GPrivate *key,
|
|
gpointer value);
|
|
|
|
GLIB_AVAILABLE_IN_ALL
|
|
gpointer g_once_impl (GOnce *once,
|
|
GThreadFunc func,
|
|
gpointer arg);
|
|
GLIB_AVAILABLE_IN_ALL
|
|
gboolean g_once_init_enter (volatile void *location);
|
|
GLIB_AVAILABLE_IN_ALL
|
|
void g_once_init_leave (volatile void *location,
|
|
gsize result);
|
|
|
|
/* Use C11-style atomic extensions to check the fast path for status=ready. If
|
|
* they are not available, fall back to using a mutex and condition variable in
|
|
* g_once_impl().
|
|
*
|
|
* On the C11-style codepath, only the load of once->status needs to be atomic,
|
|
* as the writes to it and once->retval in g_once_impl() are related by a
|
|
* happens-before relation. Release-acquire semantics are defined such that any
|
|
* atomic/non-atomic write which happens-before a store/release is guaranteed to
|
|
* be seen by the load/acquire of the same atomic variable. */
|
|
#if defined(G_ATOMIC_LOCK_FREE) && defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4) && defined(__ATOMIC_SEQ_CST)
|
|
# define g_once(once, func, arg) \
|
|
((__atomic_load_n (&(once)->status, __ATOMIC_ACQUIRE) == G_ONCE_STATUS_READY) ? \
|
|
(once)->retval : \
|
|
g_once_impl ((once), (func), (arg)))
|
|
#else
|
|
# define g_once(once, func, arg) g_once_impl ((once), (func), (arg))
|
|
#endif
|
|
|
|
#ifdef __GNUC__
|
|
# define g_once_init_enter(location) \
|
|
(G_GNUC_EXTENSION ({ \
|
|
G_STATIC_ASSERT (sizeof *(location) == sizeof (gpointer)); \
|
|
(void) (0 ? (gpointer) *(location) : NULL); \
|
|
(!g_atomic_pointer_get (location) && \
|
|
g_once_init_enter (location)); \
|
|
}))
|
|
# define g_once_init_leave(location, result) \
|
|
(G_GNUC_EXTENSION ({ \
|
|
G_STATIC_ASSERT (sizeof *(location) == sizeof (gpointer)); \
|
|
0 ? (void) (*(location) = (result)) : (void) 0; \
|
|
g_once_init_leave ((location), (gsize) (result)); \
|
|
}))
|
|
#else
|
|
# define g_once_init_enter(location) \
|
|
(g_once_init_enter((location)))
|
|
# define g_once_init_leave(location, result) \
|
|
(g_once_init_leave((location), (gsize) (result)))
|
|
#endif
|
|
|
|
GLIB_AVAILABLE_IN_2_36
|
|
guint g_get_num_processors (void);
|
|
|
|
/**
|
|
* GMutexLocker:
|
|
*
|
|
* Opaque type. See g_mutex_locker_new() for details.
|
|
* Since: 2.44
|
|
*/
|
|
typedef void GMutexLocker;
|
|
|
|
/**
|
|
* g_mutex_locker_new:
|
|
* @mutex: a mutex to lock
|
|
*
|
|
* Lock @mutex and return a new #GMutexLocker. Unlock with
|
|
* g_mutex_locker_free(). Using g_mutex_unlock() on @mutex
|
|
* while a #GMutexLocker exists can lead to undefined behaviour.
|
|
*
|
|
* No allocation is performed, it is equivalent to a g_mutex_lock() call.
|
|
*
|
|
* This is intended to be used with g_autoptr(). Note that g_autoptr()
|
|
* is only available when using GCC or clang, so the following example
|
|
* will only work with those compilers:
|
|
* |[
|
|
* typedef struct
|
|
* {
|
|
* ...
|
|
* GMutex mutex;
|
|
* ...
|
|
* } MyObject;
|
|
*
|
|
* static void
|
|
* my_object_do_stuff (MyObject *self)
|
|
* {
|
|
* g_autoptr(GMutexLocker) locker = g_mutex_locker_new (&self->mutex);
|
|
*
|
|
* // Code with mutex locked here
|
|
*
|
|
* if (cond)
|
|
* // No need to unlock
|
|
* return;
|
|
*
|
|
* // Optionally early unlock
|
|
* g_clear_pointer (&locker, g_mutex_locker_free);
|
|
*
|
|
* // Code with mutex unlocked here
|
|
* }
|
|
* ]|
|
|
*
|
|
* Returns: a #GMutexLocker
|
|
* Since: 2.44
|
|
*/
|
|
GLIB_AVAILABLE_STATIC_INLINE_IN_2_44
|
|
static inline GMutexLocker *
|
|
g_mutex_locker_new (GMutex *mutex)
|
|
{
|
|
g_mutex_lock (mutex);
|
|
return (GMutexLocker *) mutex;
|
|
}
|
|
|
|
/**
|
|
* g_mutex_locker_free:
|
|
* @locker: a GMutexLocker
|
|
*
|
|
* Unlock @locker's mutex. See g_mutex_locker_new() for details.
|
|
*
|
|
* No memory is freed, it is equivalent to a g_mutex_unlock() call.
|
|
*
|
|
* Since: 2.44
|
|
*/
|
|
GLIB_AVAILABLE_STATIC_INLINE_IN_2_44
|
|
static inline void
|
|
g_mutex_locker_free (GMutexLocker *locker)
|
|
{
|
|
g_mutex_unlock ((GMutex *) locker);
|
|
}
|
|
|
|
/**
|
|
* GRecMutexLocker:
|
|
*
|
|
* Opaque type. See g_rec_mutex_locker_new() for details.
|
|
* Since: 2.60
|
|
*/
|
|
typedef void GRecMutexLocker;
|
|
|
|
/**
|
|
* g_rec_mutex_locker_new:
|
|
* @rec_mutex: a recursive mutex to lock
|
|
*
|
|
* Lock @rec_mutex and return a new #GRecMutexLocker. Unlock with
|
|
* g_rec_mutex_locker_free(). Using g_rec_mutex_unlock() on @rec_mutex
|
|
* while a #GRecMutexLocker exists can lead to undefined behaviour.
|
|
*
|
|
* No allocation is performed, it is equivalent to a g_rec_mutex_lock() call.
|
|
*
|
|
* This is intended to be used with g_autoptr(). Note that g_autoptr()
|
|
* is only available when using GCC or clang, so the following example
|
|
* will only work with those compilers:
|
|
* |[
|
|
* typedef struct
|
|
* {
|
|
* ...
|
|
* GRecMutex rec_mutex;
|
|
* ...
|
|
* } MyObject;
|
|
*
|
|
* static void
|
|
* my_object_do_stuff (MyObject *self)
|
|
* {
|
|
* g_autoptr(GRecMutexLocker) locker = g_rec_mutex_locker_new (&self->rec_mutex);
|
|
*
|
|
* // Code with rec_mutex locked here
|
|
*
|
|
* if (cond)
|
|
* // No need to unlock
|
|
* return;
|
|
*
|
|
* // Optionally early unlock
|
|
* g_clear_pointer (&locker, g_rec_mutex_locker_free);
|
|
*
|
|
* // Code with rec_mutex unlocked here
|
|
* }
|
|
* ]|
|
|
*
|
|
* Returns: a #GRecMutexLocker
|
|
* Since: 2.60
|
|
*/
|
|
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
|
|
GLIB_AVAILABLE_STATIC_INLINE_IN_2_60
|
|
static inline GRecMutexLocker *
|
|
g_rec_mutex_locker_new (GRecMutex *rec_mutex)
|
|
{
|
|
g_rec_mutex_lock (rec_mutex);
|
|
return (GRecMutexLocker *) rec_mutex;
|
|
}
|
|
G_GNUC_END_IGNORE_DEPRECATIONS
|
|
|
|
/**
|
|
* g_rec_mutex_locker_free:
|
|
* @locker: a GRecMutexLocker
|
|
*
|
|
* Unlock @locker's recursive mutex. See g_rec_mutex_locker_new() for details.
|
|
*
|
|
* No memory is freed, it is equivalent to a g_rec_mutex_unlock() call.
|
|
*
|
|
* Since: 2.60
|
|
*/
|
|
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
|
|
GLIB_AVAILABLE_STATIC_INLINE_IN_2_60
|
|
static inline void
|
|
g_rec_mutex_locker_free (GRecMutexLocker *locker)
|
|
{
|
|
g_rec_mutex_unlock ((GRecMutex *) locker);
|
|
}
|
|
G_GNUC_END_IGNORE_DEPRECATIONS
|
|
|
|
/**
|
|
* GRWLockWriterLocker:
|
|
*
|
|
* Opaque type. See g_rw_lock_writer_locker_new() for details.
|
|
* Since: 2.62
|
|
*/
|
|
typedef void GRWLockWriterLocker;
|
|
|
|
/**
|
|
* g_rw_lock_writer_locker_new:
|
|
* @rw_lock: a #GRWLock
|
|
*
|
|
* Obtain a write lock on @rw_lock and return a new #GRWLockWriterLocker.
|
|
* Unlock with g_rw_lock_writer_locker_free(). Using g_rw_lock_writer_unlock()
|
|
* on @rw_lock while a #GRWLockWriterLocker exists can lead to undefined
|
|
* behaviour.
|
|
*
|
|
* No allocation is performed, it is equivalent to a g_rw_lock_writer_lock() call.
|
|
*
|
|
* This is intended to be used with g_autoptr(). Note that g_autoptr()
|
|
* is only available when using GCC or clang, so the following example
|
|
* will only work with those compilers:
|
|
* |[
|
|
* typedef struct
|
|
* {
|
|
* ...
|
|
* GRWLock rw_lock;
|
|
* GPtrArray *array;
|
|
* ...
|
|
* } MyObject;
|
|
*
|
|
* static gchar *
|
|
* my_object_get_data (MyObject *self, guint index)
|
|
* {
|
|
* g_autoptr(GRWLockReaderLocker) locker = g_rw_lock_reader_locker_new (&self->rw_lock);
|
|
*
|
|
* // Code with a read lock obtained on rw_lock here
|
|
*
|
|
* if (self->array == NULL)
|
|
* // No need to unlock
|
|
* return NULL;
|
|
*
|
|
* if (index < self->array->len)
|
|
* // No need to unlock
|
|
* return g_ptr_array_index (self->array, index);
|
|
*
|
|
* // Optionally early unlock
|
|
* g_clear_pointer (&locker, g_rw_lock_reader_locker_free);
|
|
*
|
|
* // Code with rw_lock unlocked here
|
|
* return NULL;
|
|
* }
|
|
*
|
|
* static void
|
|
* my_object_set_data (MyObject *self, guint index, gpointer data)
|
|
* {
|
|
* g_autoptr(GRWLockWriterLocker) locker = g_rw_lock_writer_locker_new (&self->rw_lock);
|
|
*
|
|
* // Code with a write lock obtained on rw_lock here
|
|
*
|
|
* if (self->array == NULL)
|
|
* self->array = g_ptr_array_new ();
|
|
*
|
|
* if (cond)
|
|
* // No need to unlock
|
|
* return;
|
|
*
|
|
* if (index >= self->array->len)
|
|
* g_ptr_array_set_size (self->array, index+1);
|
|
* g_ptr_array_index (self->array, index) = data;
|
|
*
|
|
* // Optionally early unlock
|
|
* g_clear_pointer (&locker, g_rw_lock_writer_locker_free);
|
|
*
|
|
* // Code with rw_lock unlocked here
|
|
* }
|
|
* ]|
|
|
*
|
|
* Returns: a #GRWLockWriterLocker
|
|
* Since: 2.62
|
|
*/
|
|
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
|
|
GLIB_AVAILABLE_STATIC_INLINE_IN_2_62
|
|
static inline GRWLockWriterLocker *
|
|
g_rw_lock_writer_locker_new (GRWLock *rw_lock)
|
|
{
|
|
g_rw_lock_writer_lock (rw_lock);
|
|
return (GRWLockWriterLocker *) rw_lock;
|
|
}
|
|
G_GNUC_END_IGNORE_DEPRECATIONS
|
|
|
|
/**
|
|
* g_rw_lock_writer_locker_free:
|
|
* @locker: a GRWLockWriterLocker
|
|
*
|
|
* Release a write lock on @locker's read-write lock. See
|
|
* g_rw_lock_writer_locker_new() for details.
|
|
*
|
|
* No memory is freed, it is equivalent to a g_rw_lock_writer_unlock() call.
|
|
*
|
|
* Since: 2.62
|
|
*/
|
|
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
|
|
GLIB_AVAILABLE_STATIC_INLINE_IN_2_62
|
|
static inline void
|
|
g_rw_lock_writer_locker_free (GRWLockWriterLocker *locker)
|
|
{
|
|
g_rw_lock_writer_unlock ((GRWLock *) locker);
|
|
}
|
|
G_GNUC_END_IGNORE_DEPRECATIONS
|
|
|
|
/**
|
|
* GRWLockReaderLocker:
|
|
*
|
|
* Opaque type. See g_rw_lock_reader_locker_new() for details.
|
|
* Since: 2.62
|
|
*/
|
|
typedef void GRWLockReaderLocker;
|
|
|
|
/**
|
|
* g_rw_lock_reader_locker_new:
|
|
* @rw_lock: a #GRWLock
|
|
*
|
|
* Obtain a read lock on @rw_lock and return a new #GRWLockReaderLocker.
|
|
* Unlock with g_rw_lock_reader_locker_free(). Using g_rw_lock_reader_unlock()
|
|
* on @rw_lock while a #GRWLockReaderLocker exists can lead to undefined
|
|
* behaviour.
|
|
*
|
|
* No allocation is performed, it is equivalent to a g_rw_lock_reader_lock() call.
|
|
*
|
|
* This is intended to be used with g_autoptr(). For a code sample, see
|
|
* g_rw_lock_writer_locker_new().
|
|
*
|
|
* Returns: a #GRWLockReaderLocker
|
|
* Since: 2.62
|
|
*/
|
|
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
|
|
GLIB_AVAILABLE_STATIC_INLINE_IN_2_62
|
|
static inline GRWLockReaderLocker *
|
|
g_rw_lock_reader_locker_new (GRWLock *rw_lock)
|
|
{
|
|
g_rw_lock_reader_lock (rw_lock);
|
|
return (GRWLockReaderLocker *) rw_lock;
|
|
}
|
|
G_GNUC_END_IGNORE_DEPRECATIONS
|
|
|
|
/**
|
|
* g_rw_lock_reader_locker_free:
|
|
* @locker: a GRWLockReaderLocker
|
|
*
|
|
* Release a read lock on @locker's read-write lock. See
|
|
* g_rw_lock_reader_locker_new() for details.
|
|
*
|
|
* No memory is freed, it is equivalent to a g_rw_lock_reader_unlock() call.
|
|
*
|
|
* Since: 2.62
|
|
*/
|
|
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
|
|
GLIB_AVAILABLE_STATIC_INLINE_IN_2_62
|
|
static inline void
|
|
g_rw_lock_reader_locker_free (GRWLockReaderLocker *locker)
|
|
{
|
|
g_rw_lock_reader_unlock ((GRWLock *) locker);
|
|
}
|
|
G_GNUC_END_IGNORE_DEPRECATIONS
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __G_THREAD_H__ */
|