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csa_call_callbacks(3)
CDE
NAME
csa_call_callbacks - force the invocation of the callback functions
associated with the specified callback list(s)
SYNOPSIS
#include <xcsa.h>
CSA_return_code csa_call_callbacks(CSA_session_handle session,
CSA_options reason,
CSA_extension
*call_callbacks_extensions);
DESCRIPTION
The csa_call_callbacks function causes the service to call the registered
callback functions associationed with the specified callback list(s). The
service will process each specified callback list and call the registered
callback functions if there have been changes that would trigger the
callbacks of that type. The order in which callbacks are invoked is
implementation specific.
Session (Session Handle)
Opaque session handle that represents a session with the calendaring
service.
If a valid session handle is specified, the callback functions registered
with that session are invoked. Session handles are created by a logon
function call and invalidated with a logoff function call. If the session
handle is invalid, then the error CSA_E_INVALID_SESSION_HANDLE is returned.
Reason (Flags)
A bitmask of options. Unspecified options should always be passed as 0.
Undocumented options are reserved. Each option corresponds to a callback
activity. Flag settings include:
CSA_CB_CALENDAR_LOGON
If set, the new callback will be invoked when a the calendar is
accessed by a user.
CSA_CB_CALENDAR_DELETED
If set, the new callback will be invoked when a user requests that the
calendar be deleted.
CSA_CB_CALENDAR_ATTRIBUTE_UPDATED
If set, the new callback will be invoked whenever a calendar attribute
is updated.
CSA_CB_ENTRY_ADDED
If set, the new callback will be invoked whenever an entry is added to
the calendar.
CSA_CB_ENTRY_DELETED
If set, the new callback will be invoked whenever an entry is deleted
from the calendar.
CSA_CB_ENTRY_UPDATED
If set, the new callback will be invoked whenever an entry is updated
on the calendar. It is implementation specific if the callback
function is invoked before or after the specified update type occurs.
Call Callbacks Extensions (Extension)
A pointer to an array of CSA_extension structures for this function. The
array may contain both input extensions for providing additional
information to the function and output extensions for receiving information
from the function. A value of NULL indicates that the caller is not using
any extensions. See the extensions structure for more information.
RETURN VALUE
Call Callbacks Extensions (Extension)
If output extensions were passed to the function in the extensions list,
the results from the service will be available in the extension. See the
extensions structure for more information. Whether the function succeeded
or not, and, if not, why. It may be success or one of the values listed
under ERRORS below.
ERRORS
The csa_call_callbacks function returns the following error values:
[CSA_E_FAILURE]
There was a general failure that does not fit the description of any
other error code.
[CSA_E_INSUFFICIENT_MEMORY]
Insufficient memory was available to complete the requested operation.
[CSA_E_INVALID_FLAG]
A option value in the options argument was invalid.
[CSA_E_INVALID_FUNCTION_EXT]
The function extension requested is invalid.
[CSA_E_INVALID_PARAMETER]
A function parameter was invalid.
[CSA_E_INVALID_SESSION_HANDLE]
The specified Session Handle is invalid or no longer valid (e.g., after
logging off).
[CSA_E_NO_AUTHORITY]
The user has insufficient authority for this function.
[CSA_E_NOT_SUPPORTED]
The operation requested is not supported by this implementation.
[CSA_E_SERVICE_UNAVAILABLE]
The requested calendar service is unavailable.
[CSA_E_UNSUPPORTED_FLAG]
The option requested is not supported.
[CSA_E_UNSUPPORTED_FUNCTION_EXT]
The specified function extension is not supported or CSA_EXT_REQUIRED
is set.
SEE ALSO
csa/csa.h(5), csa_add_calendar(3), csa_add_entry(3),
csa_delete_calendar(3), csa_delete_entry(3), csa_free(3),
csa_free_time_search(3), csa_list_calendar_attributes(3),
csa_list_calendars(3), csa_list_entries(3), csa_list_entry_attributes(3),
csa_list_entry_sequence(3), csa_logoff(3), csa_logon(3), csa_look_up(3),
csa_query_configuration(3), csa_read_calendar_attributes(3),
csa_read_entry_attributes(3), csa_read_next_reminder(3),
csa_register_callback(3), csa_unregister_callback(3),
csa_update_calendar_attributes(3), csa_update_entry_attributes(3)
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Index for Section 3 |
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Alphabetical listing for C |
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Top of page |
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