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3da86cc23f
To me it seems that we might have this functionality already somewere... I just can't find it. Metze, do you have an idea? Signed-off-by: Jeremy Allison <jra@samba.org>
84 lines
2.1 KiB
C
84 lines
2.1 KiB
C
/*
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Unix SMB/CIFS implementation.
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Implement a send/recv interface to wait for an external trigger
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Copyright (C) Volker Lendecke 2012
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "lib/replace/replace.h"
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#include "talloc.h"
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#include "tevent.h"
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#include "tevent_wait.h"
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#include "lib/util/tevent_unix.h"
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struct tevent_wait_state {
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struct tevent_immediate *im;
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struct tevent_context *ev;
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};
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struct tevent_req *tevent_wait_send(TALLOC_CTX *mem_ctx,
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struct tevent_context *ev)
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{
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struct tevent_req *req;
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struct tevent_wait_state *state;
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req = tevent_req_create(mem_ctx, &state, struct tevent_wait_state);
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if (req == NULL) {
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return NULL;
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}
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state->ev = ev;
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state->im = tevent_create_immediate(state);
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if (tevent_req_nomem(state->im, req)) {
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return tevent_req_post(req, ev);
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}
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return req;
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}
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static void tevent_wait_trigger(struct tevent_context *ctx,
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struct tevent_immediate *im,
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void *private_data);
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void tevent_wait_done(struct tevent_req *req)
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{
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struct tevent_wait_state *state;
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if (req == NULL) {
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return;
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}
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state = tevent_req_data(req, struct tevent_wait_state);
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tevent_schedule_immediate(state->im, state->ev,
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tevent_wait_trigger, req);
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}
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static void tevent_wait_trigger(struct tevent_context *ctx,
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struct tevent_immediate *im,
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void *private_data)
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{
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struct tevent_req *req = talloc_get_type_abort(
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private_data, struct tevent_req);
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tevent_req_done(req);
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}
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int tevent_wait_recv(struct tevent_req *req)
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{
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int err;
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if (tevent_req_is_unix_error(req, &err)) {
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return err;
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}
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return 0;
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}
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