48 lines
1.3 KiB
Bash
Executable File
48 lines
1.3 KiB
Bash
Executable File
#!/bin/sh
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#
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# Start two Hatari instances connected through emulated rs232 connection.
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# Given arguments (if any) are passed to the invoked Hatari instances.
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# Their rs232 connection goes through shared local fifo file.
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#
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# To run development version of Hatari, use something like:
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# PATH=../../build/src:$PATH hatari-local-rs232.sh <options>
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# open fifos
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for i in 1 2; do
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mkfifo rs232-$i
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if [ $? -ne 0 ]; then
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echo "ERROR: creating FIFO 'midi$i' for RS232 communication failed!"
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exit 1
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fi
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done
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# show full path
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hatari=$(which hatari)
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# pass all args to the Hatari instances
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args=$*
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# connect the Hatari instances with fifos
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echo "$hatari --rs232-in rs232-1 --rs232-out rs232-2 $args &"
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hatari --rs232-in rs232-1 --rs232-out rs232-2 $args &
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echo "$hatari --rs232-in rs232-2 --rs232-out rs232-1 $args &"
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hatari --rs232-in rs232-2 --rs232-out rs232-1 $args &
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# Without this Hataris would deadlock as fifos
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# block the process until both ends are opened.
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# Hatari opens rs232 output first (for writing),
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# so this needs to read it.
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catpids=""
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cat rs232-2 >/dev/null &
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catpids="$catpids $!"
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cat rs232-1 >/dev/null &
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catpids="$catpids $!"
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# after connections are open, fifo files can be removed
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sleep 2
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for i in 1 2; do
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rm rs232-$i
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done
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# as can the 'cat' processes
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kill -9 $catpids
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