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# Copyright (C) 2008, 2010 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 .

# Test use of unwindonsignal when a hand function call that gets interrupted

# by a signal in another thread.

set NR_THREADS 4

if $tracelevel then {

        strace $tracelevel

}

set testfile "interrupted-hand-call"

set srcfile ${testfile}.c

set binfile ${objdir}/${subdir}/${testfile}

if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug "incdir=${objdir}" "additional_flags=-DNR_THREADS=$NR_THREADS"]] != "" } {

    return -1

}

# Some targets can't do function calls, so don't even bother with this

# test.

if [target_info exists gdb,cannot_call_functions] {

    setup_xfail "*-*-*" 2416

    fail "This target can not call functions"

    continue

}

gdb_exit

gdb_start

gdb_reinitialize_dir $srcdir/$subdir

gdb_load ${binfile}

if { ![runto_main] } {

    fail "Can't run to main"

    return 0

}

gdb_test "break all_threads_running" \

         "Breakpoint 2 at .*: file .*${srcfile}, line .*" \

         "breakpoint on all_threads_running"

# Run the program and make sure GDB reports that we stopped after

# hitting breakpoint 2 in all_threads_running().

gdb_test "continue" \

         ".*Breakpoint 2, all_threads_running ().*" \

         "run to all_threads_running"

# NOTE: Don't turn on scheduler-locking here.

# We want the main thread (hand_call_with_signal) and

# thread 1 (sigabrt_handler) to both run.

# Do turn on unwindonsignal.

# We want to test gdb handling of the current thread changing when

# unwindonsignal is in effect.

gdb_test_no_output "set unwindonsignal on" \

        "setting unwindonsignal"

gdb_test "show unwindonsignal" \

        "Unwinding of stack .* is on." \

        "showing unwindonsignal"

gdb_test "call hand_call_with_signal()" \

    "The program received a signal.*" \

    "hand-call interrupted by signal in another thread"

# Verify dummy stack frame is still present.

# ??? Should unwindonsignal still apply even if the program stops

# because of a signal in another thread?

gdb_test "maint print dummy-frames" ".*stack=.*" "dummy stack frame present"

# GDB 6.8 would perform the unwindonsignal, but on the thread that stopped,

# not the thread with the hand-called function.

# This is tested by verifying only one thread has main in its backtrace.

gdb_test_multiple "thread apply all bt" "wrong thread not unwound" {

    -re ".* in main .* in main .*$gdb_prompt $" {

        fail "wrong thread not unwound"

    }

    -re ".* in main .*$gdb_prompt $" {

        pass "wrong thread not unwound"

    }

}

# Continuing now should exit the hand-call and pop the dummy frame.

gdb_test "continue" ".*" "finish hand-call"

gdb_test_multiple "maint print dummy-frames" "dummy frame popped" {

    -re ".*stack=.*$gdb_prompt $" {

        fail "dummy frame popped"

    }

    -re ".*$gdb_prompt $" {

        pass "dummy frame popped"

    }

}

# Continue one last time, the program should exit normally.

gdb_test "continue" "Program exited normally." \

    "continue to program exit"

return 0