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From: Andrew Gallatin <gallatin@FreeBSD.org>
Date: Thu, 12 Oct 2000 18:57:44 -0700 (PDT)
To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: cvs commit: src/sys/i386/linux linux.h linux_machdep.c
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gallatin    2000/10/12 18:57:44 PDT

  Modified files:
    sys/i386/linux       linux.h linux_machdep.c 
  Log:
  This is the first of 3 commits that will get IBM's JDK 1.3 working
  with FreeBSD (not including the MINSIGSTKSZ issue, which belongs to
  Marcel).  Due to time constraints, I'm going to space them out over a
  few days.
  
  This fixes two problems with linux_sigaltstack()
  
  o ss == 0 is perfectly valid use, so do not fail in this case.
  
  o Fix flag handling:
   - Our SS_DISABLE is 4, linux's is 2, so we need conversion routines.
  	These conversion routines will be needed by linux_rt_sendsig()
  	and linux_rt_sigreturn (forthcoming), so they are not static.
   - Linux's flag 0 historically meant SS_ONSTACK according to a comment
  	in their linux/kernel/signal.c file.
  
  Among other things, this fixes a warning from Sun's JDK 1.3:
  "Java HotSpot(TM) Client VM warning: cannot uninstall alt signal stack"
  
  Reviewed by: marcel
  Tested by:   sto@stat.duke.edu, many others on freebsd-java@
  
  Revision  Changes    Path
  1.44      +9 -1      src/sys/i386/linux/linux.h
  1.4       +40 -11    src/sys/i386/linux/linux_machdep.c



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