From owner-cvs-all  Tue Mar 27 13:27:39 2001
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From: Bill Paul <wpaul@FreeBSD.org>
Date: Tue, 27 Mar 2001 13:27:33 -0800 (PST)
To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: cvs commit: src/lib/libc/rpc clnt_dg.c src/include/rpc clnt.h
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wpaul       2001/03/27 13:27:33 PST

  Modified files:
    lib/libc/rpc         clnt_dg.c 
    include/rpc          clnt.h 
  Log:
  Add a CLSET_ASYNC command, which allows us to (ab)use the clnt_dg transport
  to make asynchronous RPCs. This is needed to help fix ypbind, which can no
  longer override the clnt_dg_call() method (formerly the clntudp_call()
  method) due to all the internal descriptor locking code in TI-RPC. Turning
  on this flag allows us to send an RPC request, then return immediately,
  and handle a reply later, rather than being forced to do the request
  and reply in a single function call.
  
  Also fix a byte ordering bug: when clnt_dg_call() increments the XID
  prior to transmitting a request, it uses the raw value, which is wrong.
  The XID is stored in network byte order, i.e. big-endian. The CLSET_XID
  and CLGET_XID commands in clnt_dg_control() use ntohl()/htonl() to get
  the byte ordering right, but because clnt_dg_call() does not do this,
  using CLSET_XID/CLGET_XID doesn't actually work, unless you're on a
  big endian host, which we aren't (yet). Fix clnt_dg_call() to byte swap
  properly when doing the increment.
  
  Revision  Changes    Path
  1.2       +20 -4     src/lib/libc/rpc/clnt_dg.c
  1.13      +2 -1      src/include/rpc/clnt.h


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