741e8bf0bf
we already drop the lock between sending and receiving the rpc packets. now making it so that receive doesn't block for too long (ie 100ms) before unlocking the socket. this is needed for the callback. original rpc is sent and it triggers a callback from the server. we fork another thread to handle it, ie it needs to send a deleg_return rpc. if original rpc gets control and blocks on trying to receive its reply, it'll timeout and original rpc will return an error. instead we need to not block for long and allow the deleg_return to go thru so that the server can reply successfully to the original rpc.
101 lines
3.7 KiB
C
101 lines
3.7 KiB
C
/*
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* Copyright (c) 2009, Sun Microsystems, Inc.
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* All rights reserved.
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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 are met:
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* - Neither the name of Sun Microsystems, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND 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 COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1986 - 1991 by Sun Microsystems, Inc.
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*/
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/*
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* rpc_com.h, Common definitions for both the server and client side.
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* All for the topmost layer of rpc
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*
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* In Sun's tirpc distribution, this was installed as <rpc/rpc_com.h>,
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* but as it contains only non-exported interfaces, it was moved here.
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*/
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#ifndef _TIRPC_RPCCOM_H
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#define _TIRPC_RPCCOM_H
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//#include <sys/cdefs.h>
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/* #pragma ident "@(#)rpc_com.h 1.11 93/07/05 SMI" */
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/*
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* The max size of the transport, if the size cannot be determined
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* by other means.
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*/
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#define RPC_MAXDATASIZE 9000
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#define RPC_MAXADDRSIZE 1024
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//#ifdef _WIN32
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// #define __RPC_GETXID(now) ((u_int32_t)_getpid() ^ (u_int32_t)(now)->tv_sec ^ \
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// (u_int32_t)(now)->tv_usec)
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//#else
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#define __RPC_GETXID(now) ((u_int32_t)getpid() ^ (u_int32_t)(now)->tv_sec ^ \
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(u_int32_t)(now)->tv_usec)
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//#endif
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__BEGIN_DECLS
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extern u_int __rpc_get_a_size(int);
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extern int __rpc_dtbsize(void);
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extern struct netconfig * __rpcgettp(SOCKET);
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extern int __rpc_get_default_domain(char **);
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struct netbuf *__rpc_set_netbuf(struct netbuf *, const void *, size_t);
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char *__rpc_taddr2uaddr_af(int, const struct netbuf *);
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struct netbuf *__rpc_uaddr2taddr_af(int, const char *);
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int __rpc_fixup_addr(struct netbuf *, const struct netbuf *);
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int __rpc_sockinfo2netid(struct __rpc_sockinfo *, const char **);
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int __rpc_seman2socktype(int);
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int __rpc_socktype2seman(int);
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void *rpc_nullproc(CLIENT *);
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int __rpc_sockisbound(SOCKET);
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struct netbuf *__rpcb_findaddr(rpcprog_t, rpcvers_t, const struct netconfig *,
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const char *, CLIENT **);
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struct netbuf *__rpcb_findaddr_timed(rpcprog_t, rpcvers_t,
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const struct netconfig *, const char *host, CLIENT **clpp,
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struct timeval *tp);
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bool_t __rpc_control(int,void *);
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char *_get_next_token(char *, int);
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bool_t __svc_clean_idle(fd_set *, int, bool_t);
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bool_t __xdrrec_setnonblock(XDR *, int);
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bool_t __xdrrec_setblock(XDR *);
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bool_t __xdrrec_getrec(XDR *, enum xprt_stat *, bool_t);
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void __xprt_unregister_unlocked(SVCXPRT *);
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void __xprt_set_raddr(SVCXPRT *, const struct sockaddr_storage *);
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SVCXPRT **__svc_xports;
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int __svc_maxrec;
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__END_DECLS
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#endif /* _TIRPC_RPCCOM_H */
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