[DejaGnu] Problems killing running tests

[Billinghurst, David (CRTS)]

Version: dejagnu-1.4.2
Platform: cygwin-1.3.10 on win2k

I have a problem with the gcc libjava testsuite on cygwin.
A number of execution tests get stuck in infinite loops, but
when dejagnu tries to kill them after 300 second, it dies.

The failure occurs while trying to exec the code

            # This is very, very nasty. Then again, if after did something
            # reasonable...
            set pgid "-[join $pid { -}]";
            exec sh -c "exec > /dev/null 2>&1 && (kill -2 $pgid || kill -2 
$pid) && sleep 5 && (kill $pgid || kill $pid) && sleep 5 && (kill -9 $pgid || 
kill -9 $pid)" &;

in procedure standard_close in remote.exp.  The error messages
are below.

While trying to understand what was happening, I found that
executing "exec > /dev/null 2>&1" at a bash prompt with
both bash-2.04+irix6.5 or bash-2.05+cygwin the shell locks up.




Test Run By Administrator on Thu May  9 00:21:15 2002
Native configuration is i686-pc-cygwin

                === libjava tests ===

Schedule of variations:
    unix

Running target unix
Using /usr/share/dejagnu/baseboards/unix.exp as board description file for 
target.
Using /usr/share/dejagnu/config/unix.exp as generic interface file for target.
Using /usr/local/src/gcc/libjava/testsuite/config/default.exp as 
tool-and-target-specific interface file.
Running /usr/local/src/gcc/libjava/testsuite/libjava.lang2/lang.exp ...
Executing on host: 
/usr/local/obj/gcc-java/i686-pc-cygwin/libjava/testsuite/../libtool --silent 
--tag=GCJ --mode=link /usr/local/obj/gcc-java/gcc/gcj 
-B/usr/local/obj/gcc-java/gcc/ --encoding=UTF-8 
-B/usr/local/obj/gcc-java/i686-pc-cygwin//libjava/ 
/usr/local/src/gcc/libjava/testsuite/libjava.lang2/Array_3.java   
--main=Array_3 -g  -L/usr/local/obj/gcc-java/i686-pc-cygwin//libjava/.libs 
-L/usr/local/obj/gcc-java/i686-pc-cygwin//boehm-gc/.libs    -o 
/usr/local/obj/gcc-java/i686-pc-cygwin/libjava/testsuite/Array_3.exe    
(timeout = 20)
spawn /usr/local/obj/gcc-java/i686-pc-cygwin/libjava/testsuite/../libtool 
--silent --tag=GCJ --mode=link /usr/local/obj/gcc-java/gcc/gcj 
-B/usr/local/obj/gcc-java/gcc/ --encoding=UTF-8 
-B/usr/local/obj/gcc-java/i686-pc-cygwin//libjava/ 
/usr/local/src/gcc/libjava/testsuite/libjava.lang2/Array_3.java --main=Array_3 
-g -L/usr/local/obj/gcc-java/i686-pc-cygwin//libjava/.libs 
-L/usr/local/obj/gcc-java/i686-pc-cygwin//boehm-gc/.libs -o 
/usr/local/obj/gcc-java/i686-pc-cygwin/libjava/testsuite/Array_3.exe 
PASS: Array_3 compilation from source
spawn [open ...]
WARNING: program timed out.
ERROR: tcl error sourcing 
/usr/local/src/gcc/libjava/testsuite/libjava.lang2/lang.exp.
ERROR: forked process couldn't set up input/output: bad file number
    while executing
"exec sh -c "(kill -2 $pgid || kill -2 $pid) && sleep 5 && (kill $pgid || kill 
$pid) && sleep 5 && (kill -9 $pgid || kill -9 $pid)" &"
    (procedure "standard_close" line 27)
    invoked from within
"standard_close "unix""
    ("eval" body line 1)
    invoked from within
"eval ${try}_${proc} \"$dest\" $args"
    (procedure "call_remote" line 33)
    invoked from within
"call_remote "" close "$host""
    (procedure "remote_close" line 3)
    invoked from within
"remote_close $dest"
    (procedure "standard_wait" line 55)
    invoked from within
"standard_wait "unix" 300"
    ("eval" body line 1)
    invoked from within
"eval ${try}_${proc} \"$dest\" $args"
    (procedure "call_remote" line 57)
    invoked from within
"call_remote "" wait "unix" 300"
    ("eval" body line 1)
    invoked from within
"eval call_remote \"\" wait \"$dest\" $timeout"
    (procedure "remote_wait" line 2)
    invoked from within
"remote_wait $dest 300"
    (procedure "unix_load" line 41)
    invoked from within
"unix_load "unix" 
/usr/local/obj/gcc-java/i686-pc-cygwin/libjava/testsuite/Array_3.exe {} {}"
    ("eval" body line 1)
    invoked from within
"eval ${try}_${proc} \"$dest\" $args"
    (procedure "call_remote" line 57)
    invoked from within
"call_remote "" load "unix" 
"/usr/local/obj/gcc-java/i686-pc-cygwin/libjava/testsuite/Array_3.exe" {} {}"
    ("eval" body line 1)
    invoked from within
"eval call_remote \"\" load \"$dname\" \"$prog\" $args"
    (procedure "remote_load" line 67)
    invoked from within
"remote_load target $program $program_args $input_file"
    (procedure "libjava_load" line 13)
    invoked from within
"libjava_load $executable "" "$inpfile""
    (procedure "test_libjava_from_source" line 108)
    invoked from within
"test_libjava_from_source $options $srcfile $compile_args $inpfile $resultfile 
$exec_args"
    (procedure "test_libjava" line 2)
    invoked from within
"test_libjava $options "${prefix}.java" "" $inpfile $resfile $args"
    ("foreach" body line 23)
    invoked from within
"foreach x $srcfiles {
    regsub "\\.out$" $x "" prefix
    set bname [file tail $prefix]

    if [file exists $srcdir/$subdir/${bname}.xpo] {
        set re..."
    (file "/usr/local/src/gcc/libjava/testsuite/libjava.lang2/lang.exp" line 7)
    invoked from within
"source /usr/local/src/gcc/libjava/testsuite/libjava.lang2/lang.exp"
    ("uplevel" body line 1)
    invoked from within
"uplevel #0 source /usr/local/src/gcc/libjava/testsuite/libjava.lang2/lang.exp"
    invoked from within
"catch "uplevel #0 source $test_file_name""
testcase /usr/local/src/gcc/libjava/testsuite/libjava.lang2/lang.exp completed 
in 306 seconds

                === libjava Summary ===

# of expected passes            1
runtest completed at Thu May  9 00:26:21 2002