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tevent: add tevent_wakeup_send/recv()

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This can be used as tevent_req based timer event.

metze
This commit is contained in:
Stefan Metzmacher 2009-02-17 10:22:33 +01:00
parent 7f6618a3de
commit 975a881d54
3 changed files with 76 additions and 1 deletions
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3
lib/tevent/libtevent.m4
View File

@ -26,7 +26,8 @@ AC_SUBST(TEVENT_LIBS)
TEVENT_CFLAGS="-I$teventdir"
TEVENT_OBJ="tevent.o tevent_fd.o tevent_timed.o tevent_signal.o tevent_req.o tevent_debug.o tevent_util.o"
TEVENT_OBJ="tevent.o tevent_fd.o tevent_timed.o tevent_signal.o tevent_debug.o tevent_util.o"
TEVENT_OBJ="$TEVENT_OBJ tevent_req.o tevent_wakeup.o"
TEVENT_OBJ="$TEVENT_OBJ tevent_standard.o tevent_select.o"
AC_CHECK_HEADERS(sys/epoll.h)

4
lib/tevent/tevent.h
View File

@ -299,6 +299,10 @@ bool tevent_req_is_error(struct tevent_req *req,
enum tevent_req_state *state,
uint64_t *error);
struct tevent_req *tevent_wakeup_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct timeval wakeup_time);
bool tevent_wakeup_recv(struct tevent_req *req);
int tevent_timeval_compare(const struct timeval *tv1,
const struct timeval *tv2);

70
lib/tevent/tevent_wakeup.c Normal file
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@ -0,0 +1,70 @@
/*
Unix SMB/CIFS implementation.
Infrastructure for async requests
Copyright (C) Volker Lendecke 2008
Copyright (C) Stefan Metzmacher 2009
** NOTE! The following LGPL license applies to the tevent
** 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include "replace.h"
#include "tevent.h"
#include "tevent_internal.h"
#include "tevent_util.h"
struct tevent_wakeup_state {
struct timeval wakeup_time;
};
struct tevent_req *tevent_wakeup_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct timeval wakeup_time)
{
struct tevent_req *req;
struct tevent_wakeup_state *state;
req = tevent_req_create(mem_ctx, &state,
struct tevent_wakeup_state);
if (!req) {
return NULL;
}
state->wakeup_time = wakeup_time;
if (!tevent_req_set_endtime(req, ev, wakeup_time)) {
goto post;
}
return req;
post:
return tevent_req_post(req, ev);
}
bool tevent_wakeup_recv(struct tevent_req *req)
{
enum tevent_req_state state;
uint64_t error;
if (tevent_req_is_error(req, &state, &error)) {
if (state == TEVENT_REQ_TIMED_OUT) {
return true;
}
}
return false;
}