--- a/epoc32/include/stdapis/glib-2.0/glib/gthread.h Tue Nov 24 13:55:44 2009 +0000
+++ b/epoc32/include/stdapis/glib-2.0/glib/gthread.h Tue Mar 16 16:12:26 2010 +0000
@@ -1,1 +1,404 @@
-gthread.h
+/* GLIB - Library of useful routines for C programming
+ * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
+ * Portions copyright (c) 2006 Nokia Corporation. All rights reserved.
+ *
+ * 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 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, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+/*
+ * 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__
+
+#include <_ansi.h>
+#include <glib/gerror.h>
+#include <glib/gtypes.h>
+#include <glib/gatomic.h> /* for g_atomic_pointer_get */
+
+G_BEGIN_DECLS
+
+/* GLib Thread support
+ */
+#ifdef __SYMBIAN32__
+IMPORT_C GQuark g_thread_error_quark (void);
+#else
+extern GQuark g_thread_error_quark (void);
+#endif /* __SYMBIAN32__ */
+#define G_THREAD_ERROR g_thread_error_quark ()
+
+typedef enum
+{
+ G_THREAD_ERROR_AGAIN /* Resource temporarily unavailable */
+} GThreadError;
+
+typedef gpointer (*GThreadFunc) (gpointer data);
+
+typedef enum
+{
+ G_THREAD_PRIORITY_LOW,
+ G_THREAD_PRIORITY_NORMAL,
+ G_THREAD_PRIORITY_HIGH,
+ G_THREAD_PRIORITY_URGENT
+} GThreadPriority;
+
+typedef struct _GThread GThread;
+struct _GThread
+{
+ /*< private >*/
+ GThreadFunc func;
+ gpointer data;
+ gboolean joinable;
+ GThreadPriority priority;
+};
+
+typedef struct _GMutex GMutex;
+typedef struct _GCond GCond;
+typedef struct _GPrivate GPrivate;
+typedef struct _GStaticPrivate GStaticPrivate;
+
+typedef struct _GThreadFunctions GThreadFunctions;
+struct _GThreadFunctions
+{
+ GMutex* (*mutex_new) (void);
+ void (*mutex_lock) (GMutex *mutex);
+ gboolean (*mutex_trylock) (GMutex *mutex);
+ void (*mutex_unlock) (GMutex *mutex);
+ void (*mutex_free) (GMutex *mutex);
+ GCond* (*cond_new) (void);
+ void (*cond_signal) (GCond *cond);
+ void (*cond_broadcast) (GCond *cond);
+ void (*cond_wait) (GCond *cond,
+ GMutex *mutex);
+ gboolean (*cond_timed_wait) (GCond *cond,
+ GMutex *mutex,
+ GTimeVal *end_time);
+ void (*cond_free) (GCond *cond);
+ GPrivate* (*private_new) (GDestroyNotify destructor);
+ gpointer (*private_get) (GPrivate *private_key);
+ void (*private_set) (GPrivate *private_key,
+ gpointer data);
+ void (*thread_create) (GThreadFunc func,
+ gpointer data,
+ gulong stack_size,
+ gboolean joinable,
+ gboolean bound,
+ GThreadPriority priority,
+ gpointer thread,
+ GError **error);
+ void (*thread_yield) (void);
+ void (*thread_join) (gpointer thread);
+ void (*thread_exit) (void);
+ void (*thread_set_priority)(gpointer thread,
+ GThreadPriority priority);
+ void (*thread_self) (gpointer thread);
+ gboolean (*thread_equal) (gpointer thread1,
+ gpointer thread2);
+};
+
+#ifdef __SYMBIAN32__
+IMPORT_C GThreadFunctions *_g_thread_functions_for_glib_use();
+#endif /* __SYMBIAN32__ */
+GLIB_VAR GThreadFunctions g_thread_functions_for_glib_use;
+
+#ifdef __SYMBIAN32__
+IMPORT_C gboolean *_g_thread_use_default_impl();
+#endif /* __SYMBIAN32__ */
+GLIB_VAR gboolean g_thread_use_default_impl;
+
+#ifdef __SYMBIAN32__
+IMPORT_C gboolean *_g_threads_got_initialized();
+#endif /* __SYMBIAN32__ */
+GLIB_VAR gboolean g_threads_got_initialized;
+
+/* initializes the mutex/cond/private implementation for glib, might
+ * only be called once, and must not be called directly or indirectly
+ * from another glib-function, e.g. as a callback.
+ */
+IMPORT_C void g_thread_init (GThreadFunctions *vtable);
+
+#ifdef __SYMBIAN32__
+IMPORT_C gboolean g_thread_supported();
+#else
+#define g_thread_supported() (g_threads_got_initialized)
+#endif
+
+/* Errorcheck mutexes. If you define G_ERRORCHECK_MUTEXES, then all
+ * mutexes will check for re-locking and re-unlocking */
+
+/* Initialize thread system with errorcheck mutexes. vtable must be
+ * NULL. Do not call directly. Use #define G_ERRORCHECK_MUTEXES
+ * instead.
+ */
+IMPORT_C void g_thread_init_with_errorcheck_mutexes (GThreadFunctions* vtable);
+
+/* A random number to recognize debug calls to g_mutex_... */
+#define G_MUTEX_DEBUG_MAGIC 0xf8e18ad7
+
+#ifdef G_ERRORCHECK_MUTEXES
+#define g_thread_init(vtable) g_thread_init_with_errorcheck_mutexes (vtable)
+#endif
+
+/* internal function for fallback static mutex implementation */
+IMPORT_C GMutex* g_static_mutex_get_mutex_impl (GMutex **mutex);
+
+#define g_static_mutex_get_mutex_impl_shortcut(mutex) \
+ (g_atomic_pointer_get ((gpointer*)(void*)mutex) ? *(mutex) : \
+ g_static_mutex_get_mutex_impl (mutex))
+
+/* shorthands for conditional and unconditional function calls */
+
+#define G_THREAD_UF(op, arglist) \
+ (*g_thread_functions_for_glib_use . op) arglist
+#define G_THREAD_CF(op, fail, arg) \
+ (g_thread_supported () ? G_THREAD_UF (op, arg) : (fail))
+#define G_THREAD_ECF(op, fail, mutex, type) \
+ (g_thread_supported () ? ((type(*)(GMutex*, gulong, gchar*)) \
+ (*g_thread_functions_for_glib_use . op)) \
+ (mutex, G_MUTEX_DEBUG_MAGIC, G_STRLOC) : (fail))
+
+#ifndef G_ERRORCHECK_MUTEXES
+# define g_mutex_lock(mutex) \
+ G_THREAD_CF (mutex_lock, (void)0, (mutex))
+# define g_mutex_trylock(mutex) \
+ G_THREAD_CF (mutex_trylock, TRUE, (mutex))
+# define g_mutex_unlock(mutex) \
+ G_THREAD_CF (mutex_unlock, (void)0, (mutex))
+# define g_mutex_free(mutex) \
+ G_THREAD_CF (mutex_free, (void)0, (mutex))
+# define g_cond_wait(cond, mutex) \
+ G_THREAD_CF (cond_wait, (void)0, (cond, mutex))
+# define g_cond_timed_wait(cond, mutex, abs_time) \
+ G_THREAD_CF (cond_timed_wait, TRUE, (cond, mutex, abs_time))
+#else /* G_ERRORCHECK_MUTEXES */
+# define g_mutex_lock(mutex) \
+ G_THREAD_ECF (mutex_lock, (void)0, (mutex), void)
+# define g_mutex_trylock(mutex) \
+ G_THREAD_ECF (mutex_trylock, TRUE, (mutex), gboolean)
+# define g_mutex_unlock(mutex) \
+ G_THREAD_ECF (mutex_unlock, (void)0, (mutex), void)
+# define g_mutex_free(mutex) \
+ G_THREAD_ECF (mutex_free, (void)0, (mutex), void)
+# define g_cond_wait(cond, mutex) \
+ (g_thread_supported () ? ((void(*)(GCond*, GMutex*, gulong, gchar*))\
+ g_thread_functions_for_glib_use.cond_wait) \
+ (cond, mutex, G_MUTEX_DEBUG_MAGIC, G_STRLOC) : (void) 0)
+# define g_cond_timed_wait(cond, mutex, abs_time) \
+ (g_thread_supported () ? \
+ ((gboolean(*)(GCond*, GMutex*, GTimeVal*, gulong, gchar*)) \
+ g_thread_functions_for_glib_use.cond_timed_wait) \
+ (cond, mutex, abs_time, G_MUTEX_DEBUG_MAGIC, G_STRLOC) : TRUE)
+#endif /* G_ERRORCHECK_MUTEXES */
+
+#define g_mutex_new() G_THREAD_UF (mutex_new, ())
+#define g_cond_new() G_THREAD_UF (cond_new, ())
+#define g_cond_signal(cond) G_THREAD_CF (cond_signal, (void)0, (cond))
+#define g_cond_broadcast(cond) G_THREAD_CF (cond_broadcast, (void)0, (cond))
+#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))
+
+IMPORT_C GThread* g_thread_create_full (GThreadFunc func,
+ gpointer data,
+ gulong stack_size,
+ gboolean joinable,
+ gboolean bound,
+ GThreadPriority priority,
+ GError **error);
+IMPORT_C GThread* g_thread_self (void);
+IMPORT_C void g_thread_exit (gpointer retval);
+IMPORT_C gpointer g_thread_join (GThread *thread);
+
+IMPORT_C 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))
+IMPORT_C void g_static_mutex_init (GStaticMutex *mutex);
+IMPORT_C void g_static_mutex_free (GStaticMutex *mutex);
+
+struct _GStaticPrivate
+{
+ /*< private >*/
+ guint index;
+};
+#define G_STATIC_PRIVATE_INIT { 0 }
+IMPORT_C void g_static_private_init (GStaticPrivate *private_key);
+IMPORT_C gpointer g_static_private_get (GStaticPrivate *private_key);
+IMPORT_C void g_static_private_set (GStaticPrivate *private_key,
+ gpointer data,
+ GDestroyNotify notify);
+IMPORT_C 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 }
+IMPORT_C void g_static_rec_mutex_init (GStaticRecMutex *mutex);
+IMPORT_C void g_static_rec_mutex_lock (GStaticRecMutex *mutex);
+IMPORT_C gboolean g_static_rec_mutex_trylock (GStaticRecMutex *mutex);
+IMPORT_C void g_static_rec_mutex_unlock (GStaticRecMutex *mutex);
+IMPORT_C void g_static_rec_mutex_lock_full (GStaticRecMutex *mutex,
+ guint depth);
+IMPORT_C guint g_static_rec_mutex_unlock_full (GStaticRecMutex *mutex);
+IMPORT_C 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 }
+
+IMPORT_C void g_static_rw_lock_init (GStaticRWLock* lock);
+IMPORT_C void g_static_rw_lock_reader_lock (GStaticRWLock* lock);
+IMPORT_C gboolean g_static_rw_lock_reader_trylock (GStaticRWLock* lock);
+IMPORT_C void g_static_rw_lock_reader_unlock (GStaticRWLock* lock);
+IMPORT_C void g_static_rw_lock_writer_lock (GStaticRWLock* lock);
+IMPORT_C gboolean g_static_rw_lock_writer_trylock (GStaticRWLock* lock);
+IMPORT_C void g_static_rw_lock_writer_unlock (GStaticRWLock* lock);
+IMPORT_C void g_static_rw_lock_free (GStaticRWLock* lock);
+
+IMPORT_C 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 }
+
+IMPORT_C 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 */
+
+/* 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.
+ */
+ #ifdef __SYMBIAN32__
+ #ifdef G_DEBUG_LOCKS
+ #undef G_DEBUG_LOCKS
+ #endif //G_DEBUG_LOCKS
+ #endif //__SYMBIAN32__
+
+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_GNUC_PRETTY_FUNCTION, \
+ #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_GNUC_PRETTY_FUNCTION, \
+ #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_GNUC_PRETTY_FUNCTION, \
+ #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__ */
+