gpgme/gpgme/op-support.c
Marcus Brinkmann 1731657df0 2002-09-01 Marcus Brinkmann <marcus@g10code.de>
* op-support.c (_gpgme_op_reset): Set CTX->pending after calling
	_gpgme_engine_release, as this will reset pending to zero in the
	event done callback on cancelled operations.
2002-09-01 19:47:11 +00:00

80 lines
2.4 KiB
C

/* op-support.c
* Copyright (C) 2002 g10 Code GmbH
*
* This file is part of GPGME.
*
* GPGME 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.
*
* GPGME 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#include <config.h>
#include "gpgme.h"
#include "context.h"
#include "ops.h"
/* type is: 0: asynchronous operation (use global or user event loop).
1: synchronous operation (always use private event loop).
2: asynchronous private operation (use private or user
event loop). */
GpgmeError
_gpgme_op_reset (GpgmeCtx ctx, int type)
{
GpgmeError err = 0;
struct GpgmeIOCbs io_cbs;
fail_on_pending_request (ctx);
_gpgme_release_result (ctx);
/* Create an engine object. */
_gpgme_engine_release (ctx->engine);
ctx->engine = NULL;
ctx->pending = 1;
err = _gpgme_engine_new (ctx->use_cms ? GPGME_PROTOCOL_CMS
: GPGME_PROTOCOL_OpenPGP, &ctx->engine);
if (err)
return err;
if (type == 1 || (type == 2 && !ctx->io_cbs.add))
{
/* Use private event loop. */
io_cbs.add = _gpgme_add_io_cb;
io_cbs.add_priv = &ctx->fdt;
io_cbs.remove = _gpgme_remove_io_cb;
io_cbs.event = _gpgme_op_event_cb;
io_cbs.event_priv = ctx;
}
else if (! ctx->io_cbs.add)
{
/* Use global event loop. */
io_cbs.add = _gpgme_add_io_cb;
io_cbs.add_priv = NULL;
io_cbs.remove = _gpgme_remove_io_cb;
io_cbs.event = _gpgme_wait_event_cb;
io_cbs.event_priv = ctx;
}
else
{
/* Use user event loop. */
io_cbs = ctx->io_cbs;
/* We have to make sure that we notice the termination of the
operation ourself, so we stack another event handler on top
of the user-provided one. */
io_cbs.event = _gpgme_op_event_cb_user;
io_cbs.event_priv = ctx;
}
_gpgme_engine_set_io_cbs (ctx->engine, &io_cbs);
return err;
}