From 975a881d54a4223fa616895778a69b08e9243aae Mon Sep 17 00:00:00 2001 From: Stefan Metzmacher Date: Tue, 17 Feb 2009 10:22:33 +0100 Subject: tevent: add tevent_wakeup_send/recv() This can be used as tevent_req based timer event. metze --- lib/tevent/libtevent.m4 | 3 +- lib/tevent/tevent.h | 4 +++ lib/tevent/tevent_wakeup.c | 70 ++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 76 insertions(+), 1 deletion(-) create mode 100644 lib/tevent/tevent_wakeup.c (limited to 'lib/tevent') diff --git a/lib/tevent/libtevent.m4 b/lib/tevent/libtevent.m4 index cbfb981692..29a64ae3b3 100644 --- a/lib/tevent/libtevent.m4 +++ b/lib/tevent/libtevent.m4 @@ -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) diff --git a/lib/tevent/tevent.h b/lib/tevent/tevent.h index cf5e8e4930..16fac7327f 100644 --- a/lib/tevent/tevent.h +++ b/lib/tevent/tevent.h @@ -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); diff --git a/lib/tevent/tevent_wakeup.c b/lib/tevent/tevent_wakeup.c new file mode 100644 index 0000000000..82c3942ba8 --- /dev/null +++ b/lib/tevent/tevent_wakeup.c @@ -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 . +*/ + +#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; +} + -- cgit