1267c20f91
If timeout argument to proto_connect() is -1, then the caller needs to use this new function to wait for connection. This change is in preparation for capsicum, where sandboxed worker wants to ask main process to connect in worker's behalf and pass descriptor to the worker. Because we don't want the main process to wait for the connection, it will start async connection and pass descriptor to the worker who will be responsible for waiting for the connection to finish. MFC after: 1 week
59 lines
2.6 KiB
C
59 lines
2.6 KiB
C
/*-
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* Copyright (c) 2009-2010 The FreeBSD Foundation
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* All rights reserved.
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*
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* This software was developed by Pawel Jakub Dawidek under sponsorship from
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* the FreeBSD Foundation.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _PROTO_H_
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#define _PROTO_H_
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#include <stdbool.h> /* bool */
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#include <stdlib.h> /* size_t */
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struct proto_conn;
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int proto_client(const char *addr, struct proto_conn **connp);
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int proto_connect(struct proto_conn *conn, int timeout);
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int proto_connect_wait(struct proto_conn *conn, int timeout);
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int proto_server(const char *addr, struct proto_conn **connp);
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int proto_accept(struct proto_conn *conn, struct proto_conn **newconnp);
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int proto_send(const struct proto_conn *conn, const void *data, size_t size);
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int proto_recv(const struct proto_conn *conn, void *data, size_t size);
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int proto_descriptor_send(const struct proto_conn *conn, int fd);
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int proto_descriptor_recv(const struct proto_conn *conn, int *fdp);
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int proto_descriptor(const struct proto_conn *conn);
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bool proto_address_match(const struct proto_conn *conn, const char *addr);
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void proto_local_address(const struct proto_conn *conn, char *addr,
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size_t size);
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void proto_remote_address(const struct proto_conn *conn, char *addr,
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size_t size);
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int proto_timeout(const struct proto_conn *conn, int timeout);
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void proto_close(struct proto_conn *conn);
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#endif /* !_PROTO_H_ */
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