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# Copyright (C) 1994, 1995, 1997, 1998 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 2 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, write to the Free Software

# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

# Please email any bugs, comments, and/or additions to this file to:

# bug-gdb@prep.ai.mit.edu

if [host_info exists name] {

    if [board_info host exists gdb,nointerrupts] {

        verbose "Skipping interrupt.exp because of nointerrupts."

        continue

    }

}

if [target_info exists gdb,noinferiorio] {

    verbose "Skipping interrupt.exp because of noinferiorio."

    return

}

if $tracelevel then {

        strace $tracelevel

}

set prms_id 0

set bug_id 0

set testfile interrupt

set srcfile ${testfile}.c

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

if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {

     gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."

}

gdb_start

if ![file exists $binfile] then {

    perror "$binfile does not exist."

    return 0

} else {

    gdb_reinitialize_dir $srcdir/$subdir

    gdb_load $binfile

    # Hope this is unix :-)

    gdb_test "shell stty intr '^C'" "" \

        "set interrupt character in interrupt.exp"

    if [runto_main] then {

        send_gdb "continue\n"

        gdb_expect {

            -re "\r\ntalk to me baby\r\n$" {

                pass "child process is alive"

            }

            timeout { fail "run (timeout)" }

            eof { fail "run (eof)" }

        }

        # This should appear twice, once for the echo and once for the

        # program's output.  Under dejagnu (but not interactively) for

        # SunOS4, it only appears once.  Don't worry about it, I imagine

        # dejagnu has just done something to the tty modes.

        send_gdb "a\n"

        gdb_expect {

            -re "^a\r\n(|a\r\n)$" {

                pass "child process ate our char"

            }

            timeout { fail "echo a (timeout)" }

            eof { fail "echo a (eof)" }

        }

        # Wait until the program is in the read system call again.

        sleep 2

        # Cntrl-c may fail for simulator targets running on a BSD host.

        # This is the result of a combination of the read syscall

        # being restarted and gdb capturing the cntrl-c signal.

        # Cntrl-c may fail for simulator targets on slow hosts.

        # This is because there is a race condition between entering

        # the read and delivering the cntrl-c.

        send_gdb "\003"

        gdb_expect {

            -re "Program received signal SIGINT.*$gdb_prompt $" {

                pass "send_gdb control C"

            }

            -re ".*$gdb_prompt $" { fail "send_gdb control C" }

            timeout { fail "send_gdb control C (timeout)" }

            eof { fail "send_gdb control C (eof)" }

        }

        send_gdb "p func1 ()\n"

        gdb_expect {

            -re " = 4.*$gdb_prompt $" { pass "call function when asleep" }

            -re ".*Program received signal SIGSEGV.*$gdb_prompt $" {

                setup_xfail "i*86-pc-linux*-gnu*"

                fail "child died when we called func1, skipped rest of tests"

                return

            }

            -re "$gdb_prompt $" {

                # On HPUX-11.0 'send "p func1 ()"' above

                # terminates the program. A defect is pending on this

                # issue [defect #DTS CHFts24203]. Hence calling setup_xfail

                # below.

                setup_xfail "hppa*-*-*11*" CHFts24203

                fail "call function when asleep (wrong output)"

            }

            default {

                # This fail probably happens whenever we use /proc (we

                # don't use PRSABORT), but apparently also happens on

                # other machines as well.

                setup_xfail "sparc*-*-solaris2*"

                setup_xfail "mips-*-ultrix*"

                setup_xfail "i386*-*-bsd*"

                setup_xfail "i*86-*-solaris2*"

                setup_xfail "*-*-sysv4*"

                setup_xfail "vax-*-*"

                setup_xfail "alpha-*-*"

                setup_xfail "*-*-irix*"

                setup_xfail "*-*-hpux*"

                setup_xfail "*-*-*lynx*"

                fail "call function when asleep (stays asleep)"

                # Send_Gdb a newline to wake it up

                send_gdb "\n"

                gdb_test "" " = 4" "call function after waking it"

            }

#           eof { fail "call function when asleep (eof)" }

        }

        # Now try calling the function again.

        gdb_test "p func1 ()" " = 4" "call function a second time"

        # And the program should still be doing the same thing.

        # The optional trailing \r\n is in case we sent a newline above

        # to wake the program, in which case the program now sends it

        # back.  We check for it either here or in the next gdb_expect

        # command, because which one it ends up in is timing dependent.

        send_gdb "continue\n"

        # For some reason, i386-*-sysv4 gdb fails to issue the Continuing

        # message, but otherwise appears normal (FIXME).

        gdb_expect {

            -re "^continue\r\nContinuing.\r\n(\r\n|)$" { pass "continue" }

            -re "^continue\r\n\r\n" { fail "continue (missing Continuing.)" }

            -re "$gdb_prompt $" { fail "continue" }

            timeout { fail "continue (timeout)" }

            eof { fail "continue (eof)" }

        }

        send_gdb "data\n"

        # The optional leading \r\n is in case we sent a newline above

        # to wake the program, in which case the program now sends it

        # back.

        # FIXME: The pattern below leads to an expected success on HPUX-11.0

        # but the success is spurious. Need to provide the right reg.expr.

        # here.

        gdb_expect {

            -re "^(\r\n|)data\r\n(|data\r\n)$" { pass "echo data" }

            timeout { fail "echo data (timeout)" }

            eof { fail "echo data (eof)" }

        }

        setup_xfail "i*86-pc-linux*-gnu*"

        send_gdb "\004"

        gdb_expect {

            -re "end of file.*Program exited normally.*$gdb_prompt $" {

                pass "send_gdb end of file"

            }

            -re "$gdb_prompt $" { fail "send end of file" }

            timeout { fail "send end of file (timeout)" }

            eof { fail "send end of file (eof)" }

        }

    }

}

return 0