69 lines
1.9 KiB
Bash
Executable file
69 lines
1.9 KiB
Bash
Executable file
#!/bin/bash
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# This file is part of util-linux.
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#
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# This file 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 2 of the License, or
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# (at your option) any later version.
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#
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# This file 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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TS_TOPDIR="${0%/*}/../.."
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TS_DESC="decode functions"
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. "$TS_TOPDIR/functions.sh"
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ts_init "$*"
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ts_skip_qemu_user
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ts_check_test_command "$TS_CMD_KILL"
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ts_check_test_command "$TS_HELPER_SIGSTATE"
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. "$TS_SELF/kill_functions.sh"
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decode()
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{
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echo decode "\"$1\":"
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"$TS_CMD_KILL" -l "$1"
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}
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PID=
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ACK=
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{
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for d in 0x00000000000044aa \
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0x0000000000003015 \
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0x0000000000000200; do
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decode "$d"
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done
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coproc SIGSTATE { "$TS_HELPER_SIGSTATE" ; }
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if read -u ${SIGSTATE[0]} PID; then
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"$TS_CMD_KILL" -USR1 "$PID"
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if read -u ${SIGSTATE[0]} ACK; then
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# The taget process is in its signal handler for USR1.
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# Sending one more USR1 is for making the signal pending state.
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"$TS_CMD_KILL" -USR1 "$PID"
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"$TS_CMD_KILL" -d "$PID" | {
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if [[ $("$TS_CMD_KILL" --list=34) == RT0 ]]; then
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# See man signal(7).
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# The Linux kernel supports a range of 33 different real-time signals,
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# numbered 32 to 64. However, the glibc POSIX threads implementation in‐
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# ternally uses two (for NPTL) or three (for LinuxThreads) real-time sig‐
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# nals (see pthreads(7)), and adjusts the value of SIGRTMIN suitably (to
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# 34 or 35).
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sed -e s/' 32 33'// -e s/' 34'//
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else
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cat
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fi
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}
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fi
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echo DONE >&"${SIGSTATE[1]}"
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fi
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wait ${SIGSTATE_PID}
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} > "$TS_OUTPUT" 2>&1
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ts_finalize
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