X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=glib%2Fgmain.h;h=603fdfc54b364d7b8a6a84aeabfb143032d99446;hb=40650e33239994237917322d4cfecc34e4cc4394;hp=6d400b291234eff61a5c54ac5c6f5b88de0d7443;hpb=f4bb21aa1d405fd11043a03e0962358eb0f42a5e;p=platform%2Fupstream%2Fglib.git diff --git a/glib/gmain.h b/glib/gmain.h index 6d400b2..603fdfc 100644 --- a/glib/gmain.h +++ b/glib/gmain.h @@ -8,44 +8,171 @@ * * 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 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library 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. + * License along with this library; if not, see . */ -#if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__G_LIB_H__) && !defined (GLIB_COMPILATION) -#error "Only can be included directly." -#endif - #ifndef __G_MAIN_H__ #define __G_MAIN_H__ +#if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION) +#error "Only can be included directly." +#endif + +#include #include #include G_BEGIN_DECLS -typedef struct _GMainContext GMainContext; /* Opaque */ -typedef struct _GMainLoop GMainLoop; /* Opaque */ -typedef struct _GSource GSource; -typedef struct _GSourceCallbackFuncs GSourceCallbackFuncs; -typedef struct _GSourceFuncs GSourceFuncs; +typedef enum /*< flags >*/ +{ + G_IO_IN GLIB_SYSDEF_POLLIN, + G_IO_OUT GLIB_SYSDEF_POLLOUT, + G_IO_PRI GLIB_SYSDEF_POLLPRI, + G_IO_ERR GLIB_SYSDEF_POLLERR, + G_IO_HUP GLIB_SYSDEF_POLLHUP, + G_IO_NVAL GLIB_SYSDEF_POLLNVAL +} GIOCondition; + + +/** + * GMainContext: + * + * The `GMainContext` struct is an opaque data + * type representing a set of sources to be handled in a main loop. + */ +typedef struct _GMainContext GMainContext; + +/** + * GMainLoop: + * + * The `GMainLoop` struct is an opaque data type + * representing the main event loop of a GLib or GTK+ application. + */ +typedef struct _GMainLoop GMainLoop; + +/** + * GSource: + * + * The `GSource` struct is an opaque data type + * representing an event source. + */ +typedef struct _GSource GSource; +typedef struct _GSourcePrivate GSourcePrivate; + +/** + * GSourceCallbackFuncs: + * @ref: Called when a reference is added to the callback object + * @unref: Called when a reference to the callback object is dropped + * @get: Called to extract the callback function and data from the + * callback object. + + * The `GSourceCallbackFuncs` struct contains + * functions for managing callback objects. + */ +typedef struct _GSourceCallbackFuncs GSourceCallbackFuncs; + +/** + * GSourceFuncs: + * @prepare: Called before all the file descriptors are polled. If the + * source can determine that it is ready here (without waiting for the + * results of the poll() call) it should return %TRUE. It can also return + * a @timeout_ value which should be the maximum timeout (in milliseconds) + * which should be passed to the poll() call. The actual timeout used will + * be -1 if all sources returned -1, or it will be the minimum of all + * the @timeout_ values returned which were >= 0. Since 2.36 this may + * be %NULL, in which case the effect is as if the function always returns + * %FALSE with a timeout of -1. If @prepare returns a + * timeout and the source also has a 'ready time' set then the + * nearer of the two will be used. + * @check: Called after all the file descriptors are polled. The source + * should return %TRUE if it is ready to be dispatched. Note that some + * time may have passed since the previous prepare function was called, + * so the source should be checked again here. Since 2.36 this may + * be %NULL, in which case the effect is as if the function always returns + * %FALSE. + * @dispatch: Called to dispatch the event source, after it has returned + * %TRUE in either its @prepare or its @check function. The @dispatch + * function is passed in a callback function and data. The callback + * function may be %NULL if the source was never connected to a callback + * using g_source_set_callback(). The @dispatch function should call the + * callback function with @user_data and whatever additional parameters + * are needed for this type of event source. + * @finalize: Called when the source is finalized. + * + * The `GSourceFuncs` struct contains a table of + * functions used to handle event sources in a generic manner. + * + * For idle sources, the prepare and check functions always return %TRUE + * to indicate that the source is always ready to be processed. The prepare + * function also returns a timeout value of 0 to ensure that the poll() call + * doesn't block (since that would be time wasted which could have been spent + * running the idle function). + * + * For timeout sources, the prepare and check functions both return %TRUE + * if the timeout interval has expired. The prepare function also returns + * a timeout value to ensure that the poll() call doesn't block too long + * and miss the next timeout. + * + * For file descriptor sources, the prepare function typically returns %FALSE, + * since it must wait until poll() has been called before it knows whether + * any events need to be processed. It sets the returned timeout to -1 to + * indicate that it doesn't mind how long the poll() call blocks. In the + * check function, it tests the results of the poll() call to see if the + * required condition has been met, and returns %TRUE if so. + */ +typedef struct _GSourceFuncs GSourceFuncs; + +/** + * GPid: + * + * A type which is used to hold a process identification. + * + * On UNIX, processes are identified by a process id (an integer), + * while Windows uses process handles (which are pointers). + * + * GPid is used in GLib only for descendant processes spawned with + * the g_spawn functions. + */ -typedef gboolean (*GSourceFunc) (gpointer data); +/** + * GSourceFunc: + * @user_data: data passed to the function, set when the source was + * created with one of the above functions + * + * Specifies the type of function passed to g_timeout_add(), + * g_timeout_add_full(), g_idle_add(), and g_idle_add_full(). + * + * Returns: %FALSE if the source should be removed. #G_SOURCE_CONTINUE and + * #G_SOURCE_REMOVE are more memorable names for the return value. + */ +typedef gboolean (*GSourceFunc) (gpointer user_data); + +/** + * GChildWatchFunc: + * @pid: the process id of the child process + * @status: Status information about the child process, encoded + * in a platform-specific manner + * @user_data: user data passed to g_child_watch_add() + * + * Prototype of a #GChildWatchSource callback, called when a child + * process has exited. To interpret @status, see the documentation + * for g_spawn_check_exit_status(). + */ typedef void (*GChildWatchFunc) (GPid pid, - gint status, - gpointer data); + gint status, + gpointer user_data); struct _GSource { /*< private >*/ gpointer callback_data; GSourceCallbackFuncs *callback_funcs; - GSourceFuncs *source_funcs; + const GSourceFuncs *source_funcs; guint ref_count; GMainContext *context; @@ -59,8 +186,9 @@ struct _GSource GSource *prev; GSource *next; - gpointer reserved1; - gpointer reserved2; + char *name; + + GSourcePrivate *priv; }; struct _GSourceCallbackFuncs @@ -68,192 +196,322 @@ struct _GSourceCallbackFuncs void (*ref) (gpointer cb_data); void (*unref) (gpointer cb_data); void (*get) (gpointer cb_data, - GSource *source, - GSourceFunc *func, - gpointer *data); + GSource *source, + GSourceFunc *func, + gpointer *data); }; +/** + * GSourceDummyMarshal: + * + * This is just a placeholder for #GClosureMarshal, + * which cannot be used here for dependency reasons. + */ typedef void (*GSourceDummyMarshal) (void); struct _GSourceFuncs { gboolean (*prepare) (GSource *source, - gint *timeout_); + gint *timeout_); gboolean (*check) (GSource *source); gboolean (*dispatch) (GSource *source, - GSourceFunc callback, - gpointer user_data); + GSourceFunc callback, + gpointer user_data); void (*finalize) (GSource *source); /* Can be NULL */ + /*< private >*/ /* For use by g_source_set_closure */ - GSourceFunc closure_callback; + GSourceFunc closure_callback; GSourceDummyMarshal closure_marshal; /* Really is of type GClosureMarshal */ }; -/* Any definitions using GPollFD or GPollFunc are primarily - * for Unix and not guaranteed to be the compatible on all - * operating systems on which GLib runs. Right now, the - * GLib does use these functions on Win32 as well, but interprets - * them in a fairly different way than on Unix. If you use - * these definitions, you are should be prepared to recode - * for different operating systems. +/* Standard priorities */ + +/** + * G_PRIORITY_HIGH: + * + * Use this for high priority event sources. * + * It is not used within GLib or GTK+. + */ +#define G_PRIORITY_HIGH -100 + +/** + * G_PRIORITY_DEFAULT: * - * On Win32, the fd in a GPollFD should be Win32 HANDLE (*not* a file - * descriptor as provided by the C runtime) that can be used by - * MsgWaitForMultipleObjects. This does *not* include file handles - * from CreateFile, SOCKETs, nor pipe handles. (But you can use - * WSAEventSelect to signal events when a SOCKET is readable). + * Use this for default priority event sources. * - * On Win32, fd can also be the special value G_WIN32_MSG_HANDLE to - * indicate polling for messages. + * In GLib this priority is used when adding timeout functions + * with g_timeout_add(). In GDK this priority is used for events + * from the X server. + */ +#define G_PRIORITY_DEFAULT 0 + +/** + * G_PRIORITY_HIGH_IDLE: * - * But note that G_WIN32_MSG_HANDLE GPollFDs should not be used by GDK - * (GTK) programs, as GDK itself wants to read messages and convert them - * to GDK events. + * Use this for high priority idle functions. * - * So, unless you really know what you are doing, it's best not to try - * to use the main loop polling stuff for your own needs on - * Win32. It's really only written for the GIMP's needs so - * far. + * GTK+ uses #G_PRIORITY_HIGH_IDLE + 10 for resizing operations, + * and #G_PRIORITY_HIGH_IDLE + 20 for redrawing operations. (This is + * done to ensure that any pending resizes are processed before any + * pending redraws, so that widgets are not redrawn twice unnecessarily.) */ -typedef struct _GPollFD GPollFD; -typedef gint (*GPollFunc) (GPollFD *ufds, - guint nfsd, - gint timeout_); +#define G_PRIORITY_HIGH_IDLE 100 -struct _GPollFD -{ -#if defined (G_OS_WIN32) && GLIB_SIZEOF_VOID_P == 8 - gint64 fd; -#else - gint fd; -#endif - gushort events; - gushort revents; -}; +/** + * G_PRIORITY_DEFAULT_IDLE: + * + * Use this for default priority idle functions. + * + * In GLib this priority is used when adding idle functions with + * g_idle_add(). + */ +#define G_PRIORITY_DEFAULT_IDLE 200 -/* Standard priorities */ +/** + * G_PRIORITY_LOW: + * + * Use this for very low priority background tasks. + * + * It is not used within GLib or GTK+. + */ +#define G_PRIORITY_LOW 300 -#define G_PRIORITY_HIGH -100 -#define G_PRIORITY_DEFAULT 0 -#define G_PRIORITY_HIGH_IDLE 100 -#define G_PRIORITY_DEFAULT_IDLE 200 -#define G_PRIORITY_LOW 300 +/** + * G_SOURCE_REMOVE: + * + * Use this macro as the return value of a #GSourceFunc to remove + * the #GSource from the main loop. + * + * Since: 2.32 + */ +#define G_SOURCE_REMOVE FALSE + +/** + * G_SOURCE_CONTINUE: + * + * Use this macro as the return value of a #GSourceFunc to leave + * the #GSource in the main loop. + * + * Since: 2.32 + */ +#define G_SOURCE_CONTINUE TRUE /* GMainContext: */ +GLIB_AVAILABLE_IN_ALL GMainContext *g_main_context_new (void); +GLIB_AVAILABLE_IN_ALL GMainContext *g_main_context_ref (GMainContext *context); +GLIB_AVAILABLE_IN_ALL void g_main_context_unref (GMainContext *context); +GLIB_AVAILABLE_IN_ALL GMainContext *g_main_context_default (void); +GLIB_AVAILABLE_IN_ALL gboolean g_main_context_iteration (GMainContext *context, - gboolean may_block); + gboolean may_block); +GLIB_AVAILABLE_IN_ALL gboolean g_main_context_pending (GMainContext *context); /* For implementation of legacy interfaces */ +GLIB_AVAILABLE_IN_ALL GSource *g_main_context_find_source_by_id (GMainContext *context, - guint source_id); + guint source_id); +GLIB_AVAILABLE_IN_ALL GSource *g_main_context_find_source_by_user_data (GMainContext *context, - gpointer user_data); + gpointer user_data); +GLIB_AVAILABLE_IN_ALL GSource *g_main_context_find_source_by_funcs_user_data (GMainContext *context, - GSourceFuncs *funcs, - gpointer user_data); + GSourceFuncs *funcs, + gpointer user_data); /* Low level functions for implementing custom main loops. */ +GLIB_AVAILABLE_IN_ALL void g_main_context_wakeup (GMainContext *context); +GLIB_AVAILABLE_IN_ALL gboolean g_main_context_acquire (GMainContext *context); +GLIB_AVAILABLE_IN_ALL void g_main_context_release (GMainContext *context); +GLIB_AVAILABLE_IN_ALL gboolean g_main_context_is_owner (GMainContext *context); +GLIB_AVAILABLE_IN_ALL gboolean g_main_context_wait (GMainContext *context, - GCond *cond, - GMutex *mutex); + GCond *cond, + GMutex *mutex); +GLIB_AVAILABLE_IN_ALL gboolean g_main_context_prepare (GMainContext *context, - gint *priority); + gint *priority); +GLIB_AVAILABLE_IN_ALL gint g_main_context_query (GMainContext *context, - gint max_priority, - gint *timeout_, - GPollFD *fds, - gint n_fds); + gint max_priority, + gint *timeout_, + GPollFD *fds, + gint n_fds); +GLIB_AVAILABLE_IN_ALL gint g_main_context_check (GMainContext *context, - gint max_priority, - GPollFD *fds, - gint n_fds); + gint max_priority, + GPollFD *fds, + gint n_fds); +GLIB_AVAILABLE_IN_ALL void g_main_context_dispatch (GMainContext *context); +GLIB_AVAILABLE_IN_ALL void g_main_context_set_poll_func (GMainContext *context, - GPollFunc func); + GPollFunc func); +GLIB_AVAILABLE_IN_ALL GPollFunc g_main_context_get_poll_func (GMainContext *context); /* Low level functions for use by source implementations */ +GLIB_AVAILABLE_IN_ALL void g_main_context_add_poll (GMainContext *context, - GPollFD *fd, - gint priority); + GPollFD *fd, + gint priority); +GLIB_AVAILABLE_IN_ALL void g_main_context_remove_poll (GMainContext *context, - GPollFD *fd); + GPollFD *fd); +GLIB_AVAILABLE_IN_ALL gint g_main_depth (void); +GLIB_AVAILABLE_IN_ALL GSource *g_main_current_source (void); +/* GMainContexts for other threads + */ +GLIB_AVAILABLE_IN_ALL +void g_main_context_push_thread_default (GMainContext *context); +GLIB_AVAILABLE_IN_ALL +void g_main_context_pop_thread_default (GMainContext *context); +GLIB_AVAILABLE_IN_ALL +GMainContext *g_main_context_get_thread_default (void); +GLIB_AVAILABLE_IN_ALL +GMainContext *g_main_context_ref_thread_default (void); /* GMainLoop: */ +GLIB_AVAILABLE_IN_ALL GMainLoop *g_main_loop_new (GMainContext *context, - gboolean is_running); + gboolean is_running); +GLIB_AVAILABLE_IN_ALL void g_main_loop_run (GMainLoop *loop); +GLIB_AVAILABLE_IN_ALL void g_main_loop_quit (GMainLoop *loop); +GLIB_AVAILABLE_IN_ALL GMainLoop *g_main_loop_ref (GMainLoop *loop); +GLIB_AVAILABLE_IN_ALL void g_main_loop_unref (GMainLoop *loop); +GLIB_AVAILABLE_IN_ALL gboolean g_main_loop_is_running (GMainLoop *loop); +GLIB_AVAILABLE_IN_ALL GMainContext *g_main_loop_get_context (GMainLoop *loop); /* GSource: */ +GLIB_AVAILABLE_IN_ALL GSource *g_source_new (GSourceFuncs *source_funcs, - guint struct_size); + guint struct_size); +GLIB_AVAILABLE_IN_ALL GSource *g_source_ref (GSource *source); +GLIB_AVAILABLE_IN_ALL void g_source_unref (GSource *source); +GLIB_AVAILABLE_IN_ALL guint g_source_attach (GSource *source, - GMainContext *context); + GMainContext *context); +GLIB_AVAILABLE_IN_ALL void g_source_destroy (GSource *source); +GLIB_AVAILABLE_IN_ALL void g_source_set_priority (GSource *source, - gint priority); + gint priority); +GLIB_AVAILABLE_IN_ALL gint g_source_get_priority (GSource *source); +GLIB_AVAILABLE_IN_ALL void g_source_set_can_recurse (GSource *source, - gboolean can_recurse); + gboolean can_recurse); +GLIB_AVAILABLE_IN_ALL gboolean g_source_get_can_recurse (GSource *source); +GLIB_AVAILABLE_IN_ALL guint g_source_get_id (GSource *source); +GLIB_AVAILABLE_IN_ALL GMainContext *g_source_get_context (GSource *source); +GLIB_AVAILABLE_IN_ALL void g_source_set_callback (GSource *source, - GSourceFunc func, - gpointer data, - GDestroyNotify notify); + GSourceFunc func, + gpointer data, + GDestroyNotify notify); +GLIB_AVAILABLE_IN_ALL void g_source_set_funcs (GSource *source, GSourceFuncs *funcs); +GLIB_AVAILABLE_IN_ALL gboolean g_source_is_destroyed (GSource *source); +GLIB_AVAILABLE_IN_ALL +void g_source_set_name (GSource *source, + const char *name); +GLIB_AVAILABLE_IN_ALL +const char * g_source_get_name (GSource *source); +GLIB_AVAILABLE_IN_ALL +void g_source_set_name_by_id (guint tag, + const char *name); + +GLIB_AVAILABLE_IN_2_36 +void g_source_set_ready_time (GSource *source, + gint64 ready_time); +GLIB_AVAILABLE_IN_2_36 +gint64 g_source_get_ready_time (GSource *source); + +#ifdef G_OS_UNIX +GLIB_AVAILABLE_IN_2_36 +gpointer g_source_add_unix_fd (GSource *source, + gint fd, + GIOCondition events); +GLIB_AVAILABLE_IN_2_36 +void g_source_modify_unix_fd (GSource *source, + gpointer tag, + GIOCondition new_events); +GLIB_AVAILABLE_IN_2_36 +void g_source_remove_unix_fd (GSource *source, + gpointer tag); +GLIB_AVAILABLE_IN_2_36 +GIOCondition g_source_query_unix_fd (GSource *source, + gpointer tag); +#endif + /* Used to implement g_source_connect_closure and internally*/ +GLIB_AVAILABLE_IN_ALL void g_source_set_callback_indirect (GSource *source, - gpointer callback_data, - GSourceCallbackFuncs *callback_funcs); - -void g_source_add_poll (GSource *source, - GPollFD *fd); -void g_source_remove_poll (GSource *source, - GPollFD *fd); - + gpointer callback_data, + GSourceCallbackFuncs *callback_funcs); + +GLIB_AVAILABLE_IN_ALL +void g_source_add_poll (GSource *source, + GPollFD *fd); +GLIB_AVAILABLE_IN_ALL +void g_source_remove_poll (GSource *source, + GPollFD *fd); + +GLIB_AVAILABLE_IN_ALL +void g_source_add_child_source (GSource *source, + GSource *child_source); +GLIB_AVAILABLE_IN_ALL +void g_source_remove_child_source (GSource *source, + GSource *child_source); + +GLIB_DEPRECATED_IN_2_28_FOR(g_source_get_time) void g_source_get_current_time (GSource *source, - GTimeVal *timeval); + GTimeVal *timeval); + +GLIB_AVAILABLE_IN_ALL +gint64 g_source_get_time (GSource *source); /* void g_source_connect_closure (GSource *source, GClosure *closure); @@ -261,80 +519,95 @@ void g_source_get_current_time (GSource *source, /* Specific source types */ +GLIB_AVAILABLE_IN_ALL GSource *g_idle_source_new (void); +GLIB_AVAILABLE_IN_ALL GSource *g_child_watch_source_new (GPid pid); +GLIB_AVAILABLE_IN_ALL GSource *g_timeout_source_new (guint interval); +GLIB_AVAILABLE_IN_ALL GSource *g_timeout_source_new_seconds (guint interval); /* Miscellaneous functions */ -void g_get_current_time (GTimeVal *result); +GLIB_AVAILABLE_IN_ALL +void g_get_current_time (GTimeVal *result); +GLIB_AVAILABLE_IN_ALL +gint64 g_get_monotonic_time (void); +GLIB_AVAILABLE_IN_ALL +gint64 g_get_real_time (void); -/* ============== Compat main loop stuff ================== */ - -#ifndef G_DISABLE_DEPRECATED - -/* Legacy names for GMainLoop functions - */ -#define g_main_new(is_running) g_main_loop_new (NULL, is_running); -#define g_main_run(loop) g_main_loop_run(loop) -#define g_main_quit(loop) g_main_loop_quit(loop) -#define g_main_destroy(loop) g_main_loop_unref(loop) -#define g_main_is_running(loop) g_main_loop_is_running(loop) - -/* Functions to manipulate the default main loop - */ - -#define g_main_iteration(may_block) g_main_context_iteration (NULL, may_block) -#define g_main_pending() g_main_context_pending (NULL) - -#define g_main_set_poll_func(func) g_main_context_set_poll_func (NULL, func) - -#endif /* G_DISABLE_DEPRECATED */ /* Source manipulation by ID */ +GLIB_AVAILABLE_IN_ALL gboolean g_source_remove (guint tag); +GLIB_AVAILABLE_IN_ALL gboolean g_source_remove_by_user_data (gpointer user_data); +GLIB_AVAILABLE_IN_ALL gboolean g_source_remove_by_funcs_user_data (GSourceFuncs *funcs, - gpointer user_data); + gpointer user_data); /* Idles, child watchers and timeouts */ +GLIB_AVAILABLE_IN_ALL guint g_timeout_add_full (gint priority, - guint interval, - GSourceFunc function, - gpointer data, - GDestroyNotify notify); + guint interval, + GSourceFunc function, + gpointer data, + GDestroyNotify notify); +GLIB_AVAILABLE_IN_ALL guint g_timeout_add (guint interval, - GSourceFunc function, - gpointer data); + GSourceFunc function, + gpointer data); +GLIB_AVAILABLE_IN_ALL guint g_timeout_add_seconds_full (gint priority, guint interval, GSourceFunc function, gpointer data, GDestroyNotify notify); +GLIB_AVAILABLE_IN_ALL guint g_timeout_add_seconds (guint interval, - GSourceFunc function, - gpointer data); + GSourceFunc function, + gpointer data); +GLIB_AVAILABLE_IN_ALL guint g_child_watch_add_full (gint priority, - GPid pid, - GChildWatchFunc function, - gpointer data, - GDestroyNotify notify); + GPid pid, + GChildWatchFunc function, + gpointer data, + GDestroyNotify notify); +GLIB_AVAILABLE_IN_ALL guint g_child_watch_add (GPid pid, - GChildWatchFunc function, - gpointer data); + GChildWatchFunc function, + gpointer data); +GLIB_AVAILABLE_IN_ALL guint g_idle_add (GSourceFunc function, - gpointer data); + gpointer data); +GLIB_AVAILABLE_IN_ALL guint g_idle_add_full (gint priority, - GSourceFunc function, - gpointer data, - GDestroyNotify notify); + GSourceFunc function, + gpointer data, + GDestroyNotify notify); +GLIB_AVAILABLE_IN_ALL gboolean g_idle_remove_by_data (gpointer data); +GLIB_AVAILABLE_IN_ALL +void g_main_context_invoke_full (GMainContext *context, + gint priority, + GSourceFunc function, + gpointer data, + GDestroyNotify notify); +GLIB_AVAILABLE_IN_ALL +void g_main_context_invoke (GMainContext *context, + GSourceFunc function, + gpointer data); + /* Hook for GClosure / GSource integration. Don't touch */ GLIB_VAR GSourceFuncs g_timeout_funcs; GLIB_VAR GSourceFuncs g_child_watch_funcs; GLIB_VAR GSourceFuncs g_idle_funcs; +#ifdef G_OS_UNIX +GLIB_VAR GSourceFuncs g_unix_signal_funcs; +GLIB_VAR GSourceFuncs g_unix_fd_source_funcs; +#endif G_END_DECLS