#!/bin/bash

# Copyright (C) 2024 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# core - send SIGV and pull the core for process
# $1 = PID of process (e.g., $(pid mediaserver))
#
# NOTE: coredump_setup must be called once per boot for core dumps to be
#       enabled globally.

set -e

PID=$1;

if [ -z "$PID" ]; then
    printf "Expecting a PID!\n";
    exit 1
fi;

CORENAME=core.$PID;
COREPATH=/cores/$CORENAME;
SIG=SEGV;

coredump_enable $1;

done=0;
while [ $(adb shell "[ -d /proc/$PID ] && echo -n yes") ]; do
    printf "\tSending SIG%s to %d...\n" $SIG $PID;
    adb shell kill -$SIG $PID;
    sleep 1;
done;

adb shell "while [ ! -f $COREPATH ] ; do echo waiting for $COREPATH to be generated; sleep 1; done"
echo "Done: core is under $COREPATH on device.";