# Copyright 2011 Free Software Foundation, Inc.

# This program 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 3 of the License, or
# (at your option) any later version.
#
# This program 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.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

set testfile "info-os"
set srcfile ${testfile}.c

# This test is Linux-only.
if ![istarget *-*-linux*] then {
    unsupported "info-os.exp"
    return -1
}

# Support for XML-output is needed to run this test.
if [gdb_skip_xml_test] then {
    unsupported "info-os.exp"
    return -1
}

# Compile test program.
if { [prepare_for_testing ${testfile}.exp $testfile $srcfile {debug additional_flags=-lpthread}] } {
    fail "cannot compile test program"
    return -1
}

if ![runto_main] then {
    fail "cannot run to main"
    return -1;
}

# Get PID of test program.
set inferior_pid -1
set test "get inferior process ID"
gdb_test_multiple "call getpid()" $test {
    -re ".* = ($decimal).*$gdb_prompt $" {
	set inferior_pid $expect_out(1,string)
	pass $test
    }
}

gdb_breakpoint ${srcfile}:[gdb_get_line_number "Set breakpoint here"]
gdb_continue_to_breakpoint "Set breakpoint here"

# Get IDs of the IPC object instances.
set shmid -1
set test "get shared memory ID"
gdb_test_multiple "print shmid" $test {
    -re ".* = ($decimal).*$gdb_prompt $" {
	set shmid $expect_out(1,string)
	pass $test
    }
}

set semid -1
set test "get semaphore ID"
gdb_test_multiple "print semid" $test {
    -re ".* = ($decimal).*$gdb_prompt $" {
	set semid $expect_out(1,string)
	pass $test
    }
}

set msqid -1
set test "get message queue ID"
gdb_test_multiple "print msqid" $test {
    -re ".* = ($decimal).*$gdb_prompt $" {
	set msqid $expect_out(1,string)
	pass $test
    }
}

# Get port number of test socket.
set port -1
set test "get socket port number"
gdb_test_multiple "print port" $test {
    -re ".* = ($decimal).*$gdb_prompt $" {
	set port $expect_out(1,string)
	pass $test
    }
}

# Test output of the 'info os' commands against the expected results.
gdb_test "info os processes" ".*pid +user +command +cores.*$inferior_pid +\\S+ +\\S*info-os +\[0-9\]+.*" "get process list"
gdb_test "info os procgroups" ".*pgid +leader command +pid +command line.*$inferior_pid +info-os +$inferior_pid +\\S*info-os.*" "get process groups"
gdb_test "info os threads" ".*pid +command +tid +core.*$inferior_pid +info-os +\\d+ +\\d+.*" "get threads"
gdb_test "info os files" ".*pid +command +file descriptor +name.*$inferior_pid +info-os +\\d+ +/dev/null.*" "get file descriptors"
gdb_test "info os sockets" ".*local address +local port +remote address +remote port +state +user +family +protocol.*0\\.0\\.0\\.0 +$port +0\\.0\\.0\\.0 +0 +LISTEN +\\S+ +INET +STREAM.*" "get internet-domain sockets"
gdb_test "info os shm" ".*key +shmid +permissions +size +creator command +last op\\. command +num attached +user +group +creator user +creator group +last shmat\\(\\) time +last shmdt\\(\\) time +last shmctl\\(\\) time.*3925 +$shmid +666 +4096 +info-os +.*" "get shared-memory regions"
gdb_test "info os semaphores" ".*key +semid +permissions +num semaphores +user +group +creator user +creator group +last semop\\(\\) time +last semctl\\(\\) time.*7428 +$semid +666 +1 +.*" "get semaphores"
gdb_test "info os msg" ".*key +msqid +permissions +num used bytes +num messages +last msgsnd\\(\\) command +last msgrcv\\(\\) command +user +group +creator user +creator group +last msgsnd\\(\\) time +last msgrcv\\(\\) time +last msgctl\\(\\) time.*5294 +$msqid +666 +.*" "get message queues"

# The SysV IPC primitives linger on after the creating process is killed
# unless they are destroyed explicitly, so allow the test program to tidy
# up after itself.  Note that the test program attempts to delete and
# recreate the shared-memory region if it already exists, in case a
# previous run failed before having a chance to clean up.  The tests for
# semaphores and message queues should still work with primitives from
# previous runs.
send_gdb "continue\n"