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From: John Baldwin <jhb@FreeBSD.org>
Date: Wed, 10 Mar 2010 13:23:25 +0000 (UTC)
To: cvs-src-old@freebsd.org
X-FreeBSD-CVS-Branch: HEAD
Subject: cvs commit: src/lib/libc/rpc Symbol.map clnt_simple.c
 getnetconfig.c key_call.c mt_misc.c mt_misc.h rpc_generic.c
 rpc_soc.c
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jhb         2010-03-10 13:23:25 UTC

  FreeBSD src repository

  Modified files:
    lib/libc/rpc         Symbol.map clnt_simple.c getnetconfig.c 
                         key_call.c mt_misc.c mt_misc.h 
                         rpc_generic.c rpc_soc.c 
  Log:
  SVN rev 204950 on 2010-03-10 13:23:25Z by jhb
  
  Use thr_once() with once_t controls to initialize various thread_key_t
  objects used to provide per-thread storage in the RPC code.  Almost all
  of these used double-checking with a dedicated mutex (tsd_lock) to do this
  before.  However, that is not always safe with more relaxed memory orders.
  There were also other bugs, such as one in __rpc_createrr() that caused a
  new key to be allocated each time __rpc_createrr() was invoked.
  
  PR:             threads/144558
  Reported by:    Sam Robb  samrobb of averesystems com (key leak)
  MFC after:      1 week
  
  Revision  Changes    Path
  1.5       +0 -4      src/lib/libc/rpc/Symbol.map
  1.21      +16 -6     src/lib/libc/rpc/clnt_simple.c
  1.18      +15 -14    src/lib/libc/rpc/getnetconfig.c
  1.18      +13 -7     src/lib/libc/rpc/key_call.c
  1.8       +13 -14    src/lib/libc/rpc/mt_misc.c
  1.3       +0 -1      src/lib/libc/rpc/mt_misc.h
  1.15      +15 -12    src/lib/libc/rpc/rpc_generic.c
  1.16      +9 -6      src/lib/libc/rpc/rpc_soc.c