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|
#!/bin/bash
# This file is part of util-linux.
#
# This file is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This file is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
TS_TOPDIR="${0%/*}/../.."
TS_DESC="decode functions"
. "$TS_TOPDIR/functions.sh"
ts_init "$*"
ts_skip_qemu_user
ts_check_test_command "$TS_CMD_KILL"
ts_check_test_command "$TS_HELPER_SIGSTATE"
. "$TS_SELF/kill_functions.sh"
decode()
{
echo decode "\"$1\":"
"$TS_CMD_KILL" -l "$1"
}
PID=
ACK=
{
for d in 0x00000000000044aa \
0x0000000000003015 \
0x0000000000000200; do
decode "$d"
done
coproc SIGSTATE { "$TS_HELPER_SIGSTATE" ; }
if read -u ${SIGSTATE[0]} PID; then
"$TS_CMD_KILL" -USR1 "$PID"
if read -u ${SIGSTATE[0]} ACK; then
# The taget process is in its signal handler for USR1.
# Sending one more USR1 is for making the signal pending state.
"$TS_CMD_KILL" -USR1 "$PID"
"$TS_CMD_KILL" -d "$PID" | {
if [[ $("$TS_CMD_KILL" --list=34) == RT0 ]]; then
# See man signal(7).
# The Linux kernel supports a range of 33 different real-time signals,
# numbered 32 to 64. However, the glibc POSIX threads implementation in‐
# ternally uses two (for NPTL) or three (for LinuxThreads) real-time sig‐
# nals (see pthreads(7)), and adjusts the value of SIGRTMIN suitably (to
# 34 or 35).
sed -e s/' 32 33'// -e s/' 34'//
else
cat
fi
}
fi
echo DONE >&"${SIGSTATE[1]}"
fi
wait ${SIGSTATE_PID}
} > "$TS_OUTPUT" 2>&1
ts_finalize
|
