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From: Alfred Perlstein <alfred@FreeBSD.org>
Date: Sat, 16 Nov 2002 20:15:34 -0800 (PST)
To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: cvs commit: src/sys/kern vfs_aio.c src/lib/libc/gen sysconf.c
         src/sys/posix4 posix4.h posix4_mib.c
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alfred      2002/11/16 20:15:34 PST

  Modified files:
    sys/kern             vfs_aio.c 
    lib/libc/gen         sysconf.c 
    sys/posix4           posix4.h posix4_mib.c 
  Log:
  Rework the sysconf(3) interaction with aio:
  
  sysconf.c:
    Use 'break' rather than 'goto yesno' in sysconf.c so that we report a '0'
    return value from the kernel sysctl.
  
  vfs_aio.c:
    Make aio reset its configuration parameters to -1 after unloading
    instead of 0.
  
  posix4_mib.c:
    Initialize the aio configuration parameters to -1
    to indicate that it is not loaded.
    Add a facility (p31b_iscfg()) to determine if a posix4 facility has been
    initialized to avoid having to re-order the SYSINITs.
    Use p31b_iscfg() to determine if aio has had a chance to run yet which
    is likely if it is compiled into the kernel and avoid spamming its
    values.
    Introduce a macro P31B_VALID() instead of doing the same comparison over
    and over.
  
  posix4.h:
    Prototype p31b_iscfg().
  
  Revision  Changes    Path
  1.19      +3 -6      src/lib/libc/gen/sysconf.c
  1.146     +3 -3      src/sys/kern/vfs_aio.c
  1.11      +1 -0      src/sys/posix4/posix4.h
  1.7       +22 -2     src/sys/posix4/posix4_mib.c

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