mirror of https://github.com/n-hys/bash.git
210 lines
3.9 KiB
Plaintext
210 lines
3.9 KiB
Plaintext
# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# test out %+, jobs -p, and $! agreement in a subshell first
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${THIS_SH} ./jobs1.sub
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# test out fg/bg failure in a subshell
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${THIS_SH} ./jobs2.sub
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# test out behavior of waiting for background pids -- bug in versions
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# before 2.03
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${THIS_SH} ./jobs3.sub
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# test out behavior of using job control notation when job control is not
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# active
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${THIS_SH} ./jobs4.sub
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# test out wait -n framework
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${THIS_SH} ./jobs5.sub
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# test out wait -f framework
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${THIS_SH} ./jobs6.sub
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${THIS_SH} ./jobs7.sub
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jobs
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echo $?
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# a no-such-job error, since we can use job control notation without job control
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wait %1
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# make sure we can't fg a job started when job control was not active
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sleep 30 &
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pid=$!
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fg %1
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# make sure the killed processes don't cause a message
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exec 5>&2
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exec 2>/dev/null
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kill -n 9 $pid
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wait # make sure we reap the processes while stderr is still redirected
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exec 2>&5
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echo wait-for-pid
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sleep 4 &
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wait $!
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echo wait-errors
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wait 1-1
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wait -- -4
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echo wait-for-background-pids
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sleep 2 &
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sleep 4 &
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wait
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echo async list wait-for-background-pids
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sleep 2 & sleep 4 &
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wait
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echo async list wait for child
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sleep 2 & echo forked
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wait
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echo wait-when-no-children
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wait
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echo posix jobs output
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${THIS_SH} -o posix -c 'sleep 1 & P=$! ; sleep 2; jobs; wait'
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set -m
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echo wait-for-job
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sleep 3 &
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wait %2 # this should be a no-such-job error
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echo $?
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wait %1
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echo async list wait-for-job
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sleep 2 & echo forked
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wait %1
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echo fg-bg 1
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sleep 2 &
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%1
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echo fg-bg 2
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sleep 2 &
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fg %%
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echo fg-bg 3
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sleep 2 &
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fg %s
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echo fg-bg 4
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sleep 2 &
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fg %?ee
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# these next two are error cases
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echo fg-bg 5
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sleep 2 &
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fg %2 # this should be a no-such-job error
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bg %1 # this should be a `bg background job?' error
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wait
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# these may someday mean to start the jobs, but not print the line
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# describing the status, but for now they are errors
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echo fg-bg 6
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sleep 2 &
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fg -s %1
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bg -s %1
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wait
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# someday this may mean to disown all stopped jobs, but for now it is
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# an error
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disown -s
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# this is an error -- the job with the pid that is the value of $! is
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# retained only until a `wait' is performed
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disown %1
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# this, however, is an error
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disown %2
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echo wait-for-non-child
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wait 1
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echo $?
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exit 1 | exit 2 | exit 3
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echo $? -- ${PIPESTATUS[@]} -- ${PIPESTATUS[0]} - ${PIPESTATUS[1]} - ${PIPESTATUS[2]}
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sleep 300 &
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sleep300pid=$!
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sleep 350 &
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sleep 400 &
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jobs
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echo running jobs:
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jobs -r
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# should be an error
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kill -n 1 %4
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# should be an error
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jobs %4
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echo current job:
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jobs %+
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echo previous job:
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jobs %-
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kill -STOP %2
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sleep 3 # give time for the shell to get the stop notification
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echo after kill -STOP
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echo running jobs:
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jobs -r
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echo stopped jobs:
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jobs -s
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disown %1
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echo after disown
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jobs
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echo running jobs:
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jobs -r
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echo stopped jobs:
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jobs -s
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kill -s CONT %2
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echo after kill -s CONT
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echo running jobs:
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jobs -r
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echo stopped jobs:
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jobs -s
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kill -STOP %3
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sleep 3 # give time for the shell to get the stop notification
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echo after kill -STOP, backgrounding %3:
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bg %3
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disown -h %2
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# make sure the killed processes don't cause a message
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exec 5>&2
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exec 2>/dev/null
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echo killing...
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kill -n 9 $sleep300pid
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kill -n 9 %2 %3
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wait # make sure we reap the processes while stderr is still redirected
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echo done
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exec 2>&5
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sleep 4 &
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kill -STOP %1
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sleep 2 # give time for the shell to get the stop notification
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echo after KILL -STOP, foregrounding %1
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fg %1
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echo done
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