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From: Martin Cracauer <cracauer@FreeBSD.ORG>
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	Mon, 24 Aug 1998 03:20:37 -0700 (PDT)
Date: Mon, 24 Aug 1998 03:20:37 -0700 (PDT)
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To: cvs-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG
Subject: cvs commit: src/bin/sh arith.y arith_lex.l error.c error.h jobs.c
         jobs.h miscbltin.c trap.c trap.h
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cracauer    1998/08/24 03:20:37 PDT

  Modified files:
    bin/sh               arith.y arith_lex.l error.c error.h 
                         jobs.c jobs.h miscbltin.c trap.c trap.h 
  Log:
  Do not exit on SIGINT in non-interactive shells, fixes PR 1206,
  i.e. this makes emacs usable from system(3). Programs called from
  shellscripts are now required to exit with proper signal status. That
  means, they have to kill themself. Exiting with faked numerical exit
  code is not sufficient.
  
  Exit with proper signal status if script exits on signal.
  
  Make the wait builtin interruptable, both with and without traps set.
  
  Use volatile sig_atomic_t where (and only where) appropriate.
  
  (Almost) fix printing of newlines on SIGINT.
  
  Make traps setable from trap handlers. This is needed for shellscripts
  that catch SIGINT for cleanup work but intend to exit on it, hance
  have to kill themself from a trap handler. I.e. mkdep.
  
  While I'm at it, make it -Wall clean. -Wall is not enabled in
  Makefile, since vararg warnx() macro calls in usr.bin/printf/printf.c
  are not -Wall-able.
  PR:		1206
  Obtained from:	Basic SIGINT fix from Bruce Evans
  
  Revision  Changes    Path
  1.8       +6 -3      src/bin/sh/arith.y
  1.11      +3 -3      src/bin/sh/arith_lex.l
  1.11      +28 -13    src/bin/sh/error.c
  1.8       +4 -3      src/bin/sh/error.h
  1.21      +25 -10    src/bin/sh/jobs.c
  1.7       +4 -1      src/bin/sh/jobs.h
  1.16      +2 -1      src/bin/sh/miscbltin.c
  1.12      +18 -10    src/bin/sh/trap.c
  1.8       +2 -1      src/bin/sh/trap.h