tests/misc/kill.sh

   1 #!/bin/sh
   2 # Validate kill operation
   3
   4 # Copyright (C) 2015-2019 Free Software Foundation, Inc.
   5
   6 # This program is free software: you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation, either version 3 of the License, or
   9 # (at your option) any later version.
  10
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  18
  19 . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
  20 print_ver_ kill
  21
  22 # params required
  23 returns_ 1 env kill || fail=1
  24 returns_ 1 env kill -TERM || fail=1
  25
  26 # Invalid combinations
  27 returns_ 1 env kill -l -l || fail=1
  28 returns_ 1 env kill -l -t || fail=1
  29 returns_ 1 env kill -l -s 1 || fail=1
  30 returns_ 1 env kill -t -s 1 || fail=1
  31
  32 # signal sending
  33 returns_ 1 env kill -0 no_pid || fail=1
  34 env kill -0 $$ || fail=1
  35 env kill -s0 $$ || fail=1
  36 env kill -n0 $$ || fail=1 # bash compat
  37 env kill -CONT $$ || fail=1
  38 env kill -Cont $$ || fail=1
  39 returns_ 1 env kill -cont $$ || fail=1
  40 env kill -0 -1 || fail=1 # to group
  41
  42 # table listing
  43 env kill -l || fail=1
  44 env kill -t || fail=1
  45 env kill -L || fail=1 # bash compat
  46 env kill -t TERM HUP || fail=1
  47
  48 # Verify (multi) name to signal number and vice versa
  49 SIGTERM=$(env kill -l HUP TERM | tail -n1) || fail=1
  50 test $(env kill -l "$SIGTERM") = TERM || fail=1
  51
  52 # Verify we only consider the lower "signal" bits,
  53 # to support ksh which just adds 256 to the signal value
  54 STD_TERM_STATUS=$(expr "$SIGTERM" + 128)
  55 KSH_TERM_STATUS=$(expr "$SIGTERM" + 256)
  56 test $(env kill -l $STD_TERM_STATUS $KSH_TERM_STATUS | uniq) = TERM || fail=1
  57
  58 # Verify invalid signal spec is diagnosed
  59 returns_ 1 env kill -l -1 || fail=1
  60 returns_ 1 env kill -l -1 0 || fail=1
  61 returns_ 1 env kill -l INVALID TERM || fail=1
  62
  63 Exit $fail