54 lines
1.2 KiB
Bash
Executable File
54 lines
1.2 KiB
Bash
Executable File
#!/bin/sh
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echo 'creating files'
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dir="$(mktemp -d)"
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n1="long name"
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f1="$dir/$n1"
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touch "$f1"
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n2="shorter"
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f2="$dir/$n2"
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touch "$f2"
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sync
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echo 'launch a program that locks a given file, it will create $dir/lock_test'
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python3 ./lock_test_help.py "$dir" "$n1" &
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echo 'wait until this lock_test lock file was created by program'
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while [ ! -f "$dir/lock_test" ]; do
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sleep .1
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done
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sync
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echo 'expecting the lock file to reflect "long name"'
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echo "launched first, locked by: '$(cat "$dir/lock_test")'"
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echo 'launching second program, should find the lock intact and wait'
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python3 ./lock_test_help.py "$dir" "$n2" &
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while [ ! -f "$f2.ready" ]; do
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sleep .1
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done
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sleep 1
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sync
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echo "launched second, locked by: '$(cat "$dir/lock_test")'"
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echo 'drop the first lock, $f1 removal signals the first process to stop locking'
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rm "$f1"
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echo 'wait for first program to carry out the lock release'
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while [ ! -f "$f1.done" ]; do
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sleep .1
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done
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echo 'now expecting second program to lock'
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echo "waited, locked by: '$(cat "$dir/lock_test")'"
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echo 'release the second program also'
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rm "$f2"
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while [ ! -f "$f2.done" ]; do
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sleep .1
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done
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echo 'expecting the lock to be gone'
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echo "waited more, locked by: '$(cat "$dir/lock_test")'"
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rm -rf "$dir"
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