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From: David Greenman <dg@FreeBSD.ORG>
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Date: Thu, 5 Nov 1998 06:28:27 -0800 (PST)
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To: cvs-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG
Subject: cvs commit: src/sys/conf options param.c src/sys/kern
         init_sysent.c syscalls.c syscalls.master uipc_syscalls.c
         src/sys/sys mbuf.h socket.h socketvar.h syscall-hide.h syscall.h
         syscall.mk sysproto.h src/sys/vm vm_object.c
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dg          1998/11/05 06:28:27 PST

  Modified files:
    sys/conf             options param.c 
    sys/kern             init_sysent.c syscalls.c syscalls.master 
                         uipc_syscalls.c 
    sys/sys              mbuf.h socket.h socketvar.h 
                         syscall-hide.h syscall.h syscall.mk 
                         sysproto.h 
    sys/vm               vm_object.c 
  Log:
  Implemented zero-copy TCP/IP extensions via sendfile(2) - send a
  file to a stream socket. sendfile(2) is similar to implementations in
  HP-UX, Linux, and other systems, but the API is more extensive and
  addresses many of the complaints that the Apache Group and others have
  had with those other implementations. Thanks to Marc Slemko of the
  Apache Group for helping me work out the best API for this.
  Anyway, this has the "net" result of speeding up sends of files over
  TCP/IP sockets by about 10X (that is to say, uses 1/10th of the CPU
  cycles) when compared to a traditional read/write loop.
  
  Revision  Changes    Path
  1.107     +2 -1      src/sys/conf/options
  1.31      +7 -1      src/sys/conf/param.c
  1.61      +1 -0      src/sys/kern/init_sysent.c
  1.54      +1 -0      src/sys/kern/syscalls.c
  1.54      +3 -1      src/sys/kern/syscalls.master
  1.42      +403 -1    src/sys/kern/uipc_syscalls.c
  1.30      +2 -1      src/sys/sys/mbuf.h
  1.27      +12 -1     src/sys/sys/socket.h
  1.30      +8 -1      src/sys/sys/socketvar.h
  1.48      +1 -0      src/sys/sys/syscall-hide.h
  1.52      +2 -1      src/sys/sys/syscall.h
  1.7       +2 -1      src/sys/sys/syscall.mk
  1.42      +10 -0     src/sys/sys/sysproto.h
  1.135     +1 -3      src/sys/vm/vm_object.c

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