pidgin/pidgin

stream_management.c was missing from jabber/Makefile.mingw
release-2.x.y
2019-11-11, Gary Kramlich
0857d099906e
stream_management.c was missing from jabber/Makefile.mingw
/**
* @file eventloop.h Purple Event Loop API
* @ingroup core
*/
/* purple
*
* Purple is the legal property of its developers, whose names are too numerous
* to list here. Please refer to the COPYRIGHT file distributed with this
* source distribution.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
*/
#ifndef _PURPLE_EVENTLOOP_H_
#define _PURPLE_EVENTLOOP_H_
#include <glib.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* An input condition.
*/
typedef enum
{
PURPLE_INPUT_READ = 1 << 0, /**< A read condition. */
PURPLE_INPUT_WRITE = 1 << 1 /**< A write condition. */
} PurpleInputCondition;
/** The type of callbacks to handle events on file descriptors, as passed to
* purple_input_add(). The callback will receive the @c user_data passed to
* purple_input_add(), the file descriptor on which the event occurred, and the
* condition that was satisfied to cause the callback to be invoked.
*/
typedef void (*PurpleInputFunction)(gpointer, gint, PurpleInputCondition);
/** @copydoc _PurpleEventLoopUiOps */
typedef struct _PurpleEventLoopUiOps PurpleEventLoopUiOps;
/** An abstraction of an application's mainloop; libpurple will use this to
* watch file descriptors and schedule timed callbacks. If your application
* uses the glib mainloop, there is an implementation of this struct in
* <tt>libpurple/example/nullclient.c</tt> which you can use verbatim.
*/
struct _PurpleEventLoopUiOps
{
/**
* Should create a callback timer with an interval measured in
* milliseconds. The supplied @a function should be called every @a
* interval seconds until it returns @c FALSE, after which it should not
* be called again.
*
* Analogous to g_timeout_add in glib.
*
* Note: On Win32, this function may be called from a thread other than
* the libpurple thread. You should make sure to detect this situation
* and to only call "function" from the libpurple thread.
*
* @param interval the interval in <em>milliseconds</em> between calls
* to @a function.
* @param data arbitrary data to be passed to @a function at each
* call.
* @todo Who is responsible for freeing @a data?
*
* @return a handle for the timeout, which can be passed to
* #timeout_remove.
*
* @see purple_timeout_add
**/
guint (*timeout_add)(guint interval, GSourceFunc function, gpointer data);
/**
* Should remove a callback timer. Analogous to g_source_remove in glib.
* @param handle an identifier for a timeout, as returned by
* #timeout_add.
* @return @c TRUE if the timeout identified by @a handle was
* found and removed.
* @see purple_timeout_remove
*/
gboolean (*timeout_remove)(guint handle);
/**
* Should add an input handler. Analogous to g_io_add_watch_full in
* glib.
*
* @param fd a file descriptor to watch for events
* @param cond a bitwise OR of events on @a fd for which @a func
* should be called.
* @param func a callback to fire whenever a relevant event on @a
* fd occurs.
* @param user_data arbitrary data to pass to @a fd.
* @return an identifier for this input handler, which can be
* passed to #input_remove.
*
* @see purple_input_add
*/
guint (*input_add)(int fd, PurpleInputCondition cond,
PurpleInputFunction func, gpointer user_data);
/**
* Should remove an input handler. Analogous to g_source_remove in glib.
* @param handle an identifier, as returned by #input_add.
* @return @c TRUE if the input handler was found and removed.
* @see purple_input_remove
*/
gboolean (*input_remove)(guint handle);
/**
* If implemented, should get the current error status for an input.
*
* Implementation of this UI op is optional. Implement it if the UI's
* sockets or event loop needs to customize determination of socket
* error status. If unimplemented, <tt>getsockopt(2)</tt> will be used
* instead.
*
* @see purple_input_get_error
*/
int (*input_get_error)(int fd, int *error);
/**
* If implemented, should create a callback timer with an interval
* measured in seconds. Analogous to g_timeout_add_seconds in glib.
*
* This allows UIs to group timers for better power efficiency. For
* this reason, @a interval may be rounded by up to a second.
*
* Implementation of this UI op is optional. If it's not implemented,
* calls to purple_timeout_add_seconds() will be serviced by
* #timeout_add.
*
* @see purple_timeout_add_seconds()
* @since 2.1.0
**/
guint (*timeout_add_seconds)(guint interval, GSourceFunc function,
gpointer data);
void (*_purple_reserved2)(void);
void (*_purple_reserved3)(void);
void (*_purple_reserved4)(void);
};
/**************************************************************************/
/** @name Event Loop API */
/**************************************************************************/
/*@{*/
/**
* Creates a callback timer.
*
* The timer will repeat until the function returns @c FALSE. The
* first call will be at the end of the first interval.
*
* If the timer is in a multiple of seconds, use purple_timeout_add_seconds()
* instead as it allows UIs to group timers for power efficiency.
*
* @param interval The time between calls of the function, in
* milliseconds.
* @param function The function to call.
* @param data data to pass to @a function.
* @return A handle to the timer which can be passed to
* purple_timeout_remove() to remove the timer.
*/
guint purple_timeout_add(guint interval, GSourceFunc function, gpointer data);
/**
* Creates a callback timer.
*
* The timer will repeat until the function returns @c FALSE. The
* first call will be at the end of the first interval.
*
* This function allows UIs to group timers for better power efficiency. For
* this reason, @a interval may be rounded by up to a second.
*
* @param interval The time between calls of the function, in
* seconds.
* @param function The function to call.
* @param data data to pass to @a function.
* @return A handle to the timer which can be passed to
* purple_timeout_remove() to remove the timer.
*
* @since 2.1.0
*/
guint purple_timeout_add_seconds(guint interval, GSourceFunc function, gpointer data);
/**
* Removes a timeout handler.
*
* @param handle The handle, as returned by purple_timeout_add().
*
* @return @c TRUE if the handler was successfully removed.
*/
gboolean purple_timeout_remove(guint handle);
/**
* Adds an input handler.
*
* @param fd The input file descriptor.
* @param cond The condition type.
* @param func The callback function for data.
* @param user_data User-specified data.
*
* @return The resulting handle (will be greater than 0).
* @see g_io_add_watch_full
*/
guint purple_input_add(int fd, PurpleInputCondition cond,
PurpleInputFunction func, gpointer user_data);
/**
* Removes an input handler.
*
* @param handle The handle of the input handler. Note that this is the return
* value from purple_input_add(), <i>not</i> the file descriptor.
*/
gboolean purple_input_remove(guint handle);
/**
* Get the current error status for an input.
*
* The return value and error follow getsockopt() with a level of SOL_SOCKET and an
* option name of SO_ERROR, and this is how the error is determined if the UI does not
* implement the input_get_error UI op.
*
* @param fd The input file descriptor.
* @param error A pointer to an @c int which on return will have the error, or
* @c 0 if no error.
*
* @return @c 0 if there is no error; @c -1 if there is an error, in which case
* @a errno will be set.
*/
int
purple_input_get_error(int fd, int *error);
/*@}*/
/**************************************************************************/
/** @name UI Registration Functions */
/**************************************************************************/
/*@{*/
/**
* Sets the UI operations structure to be used for accounts.
*
* @param ops The UI operations structure.
*/
void purple_eventloop_set_ui_ops(PurpleEventLoopUiOps *ops);
/**
* Returns the UI operations structure used for accounts.
*
* @return The UI operations structure in use.
*/
PurpleEventLoopUiOps *purple_eventloop_get_ui_ops(void);
/*@}*/
#ifdef __cplusplus
}
#endif
#endif /* _PURPLE_EVENTLOOP_H_ */