From owner-cvs-all  Sun Sep 19 10: 0:38 1999
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From: Brian Feldman <green@FreeBSD.org>
Date: Sun, 19 Sep 1999 10:00:26 -0700 (PDT)
To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: cvs commit: src/sys/i386/ibcs2 ibcs2_fcntl.c ibcs2_ioctl.c
         src/sys/i386/linux linux_file.c linux_ioctl.c src/sys/kern
         kern_descrip.c sys_generic.c sys_pipe.c sys_socket.c
         uipc_syscalls.c vfs_aio.c vfs_vnops.c src/sys/sys file.h ...
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green       1999/09/19 10:00:26 PDT

  Modified files:
    sys/i386/ibcs2       ibcs2_fcntl.c ibcs2_ioctl.c 
    sys/i386/linux       linux_file.c linux_ioctl.c 
    sys/kern             kern_descrip.c sys_generic.c sys_pipe.c 
                         sys_socket.c uipc_syscalls.c vfs_aio.c 
                         vfs_vnops.c 
    sys/sys              file.h socketvar.h 
    sys/svr4             svr4_fcntl.c svr4_filio.c svr4_sockio.c 
                         svr4_stream.c svr4_termios.c svr4_ttold.c 
  Log:
  This is what was "fdfix2.patch," a fix for fd sharing.  It's pretty
  far-reaching in fd-land, so you'll want to consult the code for
  changes.  The biggest change is that now, you don't use
  	fp->f_ops->fo_foo(fp, bar)
  but instead
  	fo_foo(fp, bar),
  which increments and decrements the fp refcount upon entry and exit.
  Two new calls, fhold() and fdrop(), are provided.  Each does what it
  seems like it should, and if fdrop() brings the refcount to zero, the
  fd is freed as well.
  
  Thanks to peter ("to hell with it, it looks ok to me.") for his review.
  Thanks to msmith for keeping me from putting locks everywhere :)
  
  Reviewed by:	peter
  
  Revision  Changes    Path
  1.14      +2 -2      src/sys/i386/ibcs2/ibcs2_fcntl.c
  1.13      +10 -11    src/sys/i386/ibcs2/ibcs2_ioctl.c
  1.34      +2 -2      src/sys/i386/linux/linux_file.c
  1.45      +20 -22    src/sys/i386/linux/linux_ioctl.c
  1.68      +27 -20    src/sys/kern/kern_descrip.c
  1.49      +11 -12    src/sys/kern/sys_generic.c
  1.55      +7 -5      src/sys/kern/sys_pipe.c
  1.27      +5 -3      src/sys/kern/sys_socket.c
  1.58      +5 -1      src/sys/kern/uipc_syscalls.c
  1.59      +5 -5      src/sys/kern/vfs_aio.c
  1.82      +13 -8     src/sys/kern/vfs_vnops.c
  1.20      +97 -3     src/sys/sys/file.h
  1.41      +3 -3      src/sys/sys/socketvar.h
  1.6       +2 -2      src/sys/svr4/svr4_fcntl.c
  1.5       +2 -4      src/sys/svr4/svr4_filio.c
  1.5       +3 -5      src/sys/svr4/svr4_sockio.c
  1.5       +2 -3      src/sys/svr4/svr4_stream.c
  1.4       +6 -8      src/sys/svr4/svr4_termios.c
  1.4       +12 -17    src/sys/svr4/svr4_ttold.c



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