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authorStefan Metzmacher <metze@samba.org>2009-02-17 10:22:33 +0100
committerStefan Metzmacher <metze@samba.org>2009-02-18 10:31:36 +0100
commit975a881d54a4223fa616895778a69b08e9243aae (patch)
tree85b67f6bcb7aa07f63d1de6a46c05c7f683e502e
parent7f6618a3deb77fc5c4724c598ecacdbf87c5e9c4 (diff)
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tevent: add tevent_wakeup_send/recv()
This can be used as tevent_req based timer event. metze
-rw-r--r--lib/tevent/libtevent.m43
-rw-r--r--lib/tevent/tevent.h4
-rw-r--r--lib/tevent/tevent_wakeup.c70
3 files changed, 76 insertions, 1 deletions
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 <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;
+}
+