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samba-mirror/lib/util/tevent_unix.c
Volker Lendecke 07c9f69769 lib: Add tevent_req_poll_unix
This makes sync wrappers a bit shorter

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2015-07-07 23:51:23 +02:00

74 lines
1.8 KiB
C

/*
Unix SMB/CIFS implementation.
Wrap unix errno around tevent_req
Copyright (C) Volker Lendecke 2009
** NOTE! The following LGPL license applies to the tevent_unix
** helper library. This does NOT imply that all of Samba is released
** under the LGPL
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 3 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
Library General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "../replace/replace.h"
#include "tevent_unix.h"
bool tevent_req_is_unix_error(struct tevent_req *req, int *perrno)
{
enum tevent_req_state state;
uint64_t err;
if (!tevent_req_is_error(req, &state, &err)) {
return false;
}
switch (state) {
case TEVENT_REQ_TIMED_OUT:
*perrno = ETIMEDOUT;
break;
case TEVENT_REQ_NO_MEMORY:
*perrno = ENOMEM;
break;
case TEVENT_REQ_USER_ERROR:
*perrno = err;
break;
default:
*perrno = EINVAL;
break;
}
return true;
}
int tevent_req_simple_recv_unix(struct tevent_req *req)
{
int err = 0;
/*
* Ignore result of tevent_req_is_unix_error, we're only interested in
* the status
*/
tevent_req_is_unix_error(req, &err);
tevent_req_received(req);
return err;
}
bool tevent_req_poll_unix(struct tevent_req *req, struct tevent_context *ev,
int *err)
{
bool ret = tevent_req_poll(req, ev);
if (!ret) {
*err = errno;
}
return ret;
}