how to make sure subprocesses die?

Warren Young wyml@etr-usa.com
Tue Aug 18 14:31:00 GMT 2015


On Aug 18, 2015, at 8:11 AM, Noel Grandin <noelgrandin@gmail.com> wrote:
> 
> When running GNU make from the cygwin bash prompt and killing it with CTRL-C, the children don't seem to be dying properly.

  $ svn checkout svn://svn.code.sf.net/p/ctags/code/trunk ctags
  $ cd ctags
  $ autoconf && autoheader && ./configure
  $ make -j3
  gcc -I. -I. -DHAVE_CONFIG_H -g -O2 -c args.c
  gcc -I. -I. -DHAVE_CONFIG_H -g -O2 -c ant.c
  gcc -I. -I. -DHAVE_CONFIG_H -g -O2 -c asm.c
  gcc -I. -I. -DHAVE_CONFIG_H -g -O2 -c asp.c
  gcc -I. -I. -DHAVE_CONFIG_H -g -O2 -c awk.c
  gcc -I. -I. -DHAVE_CONFIG_H -g -O2 -c basic.c
  gcc -I. -I. -DHAVE_CONFIG_H -g -O2 -c beta.c
  gcc -I. -I. -DHAVE_CONFIG_H -g -O2 -c c.c
  <Ctrl-C>
  make: *** Deleting file 'basic.o'
  Makefile:220: recipe for target 'beta.o' failed
  make: *** [beta.o] Interrupt
  Makefile:220: recipe for target 'basic.o' failed
  make: *** [basic.o] Interrupt
  $

Works for me.

Disagree?  Provide a replicable, simple test case to show it.
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