calling exit() in a binary module with a QoreProgramHelper open in a foreign thread can cause a crash

[davidnich]

ex with Java:

java: /home/david/src/qore/git/qore/lib/thread.cpp:2126: QoreProgram* getProgram(): Assertion `td' failed.

Thread 1 "java" received signal SIGABRT, Aborted.
--Type <RET> for more, q to quit, c to continue without paging--
__GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:49
49	../sysdeps/unix/sysv/linux/raise.c: No such file or directory.
(gdb) bt
#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:49
#1  0x00007ffff7dcf864 in __GI_abort () at abort.c:79
#2  0x00007ffff7dcf749 in __assert_fail_base (fmt=0x7ffff7f58f78 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=0x7fffa7336c05 "td", 
    file=0x7fffa73367a8 "/home/david/src/qore/git/qore/lib/thread.cpp", line=2126, function=<optimized out>) at assert.c:92
#3  0x00007ffff7de13d6 in __GI___assert_fail (assertion=0x7fffa7336c05 "td", file=0x7fffa73367a8 "/home/david/src/qore/git/qore/lib/thread.cpp", 
    line=2126, function=0x7fffa73374f9 "QoreProgram* getProgram()") at assert.c:101
#4  0x00007fffa6fb6476 in getProgram () at /home/david/src/qore/git/qore/lib/thread.cpp:2126
#5  0x00007fffa7120519 in Var::clearLocal (this=0x7ffff06c6100, xsink=0x7fffa671e1c8 <jni::Globals::global_xsink>)
    at /home/david/src/qore/git/qore/include/qore/intern/Variable.h:199
#6  0x00007fffa6ef3653 in GlobalVariableList::clearAll (this=0x7ffff064cf70, xsink=0x7fffa671e1c8 <jni::Globals::global_xsink>)
    at /home/david/src/qore/git/qore/lib/GlobalVariableList.cpp:82
#7  0x00007fffa6f6476a in qore_ns_private::clearData (this=0x7ffff064ce40, xsink=0x7fffa671e1c8 <jni::Globals::global_xsink>)
    at /home/david/src/qore/git/qore/lib/QoreNamespace.cpp:2134
#8  0x00007fffa6f5df21 in QoreNamespaceList::clearData (this=0x7ffff06177d0, xsink=0x7fffa671e1c8 <jni::Globals::global_xsink>)
    at /home/david/src/qore/git/qore/lib/QoreNamespace.cpp:701
#9  0x00007fffa6f6479b in qore_ns_private::clearData (this=0x7ffff0617710, xsink=0x7fffa671e1c8 <jni::Globals::global_xsink>)
    at /home/david/src/qore/git/qore/lib/QoreNamespace.cpp:2138
#10 0x00007fffa715011f in qore_root_ns_private::clearData (ns=..., xsink=0x7fffa671e1c8 <jni::Globals::global_xsink>)
    at /home/david/src/qore/git/qore/include/qore/intern/QoreNamespaceIntern.h:2031
#11 0x00007fffa715e40b in qore_program_private::clearNamespaceData (this=0x7ffff0643c10, xsink=0x7fffa671e1c8 <jni::Globals::global_xsink>)
    at /home/david/src/qore/git/qore/include/qore/intern/qore_program_private.h:2319
#12 0x00007fffa6f51083 in qore_program_private::waitForTerminationAndClear (this=0x7ffff0643c10, xsink=0x7fffa671e1c8 <jni::Globals::global_xsink>)
    at /home/david/src/qore/git/qore/lib/QoreProgram.cpp:618
#13 0x00007fffa6f5608d in QoreProgram::waitForTerminationAndDeref (this=0x7ffff0643bf0, xsink=0x7fffa671e1c8 <jni::Globals::global_xsink>)
    at /home/david/src/qore/git/qore/lib/QoreProgram.cpp:1583
#14 0x00007fffa6f5af85 in QoreProgramHelper::~QoreProgramHelper (this=0x7ffff0643b30, __in_chrg=<optimized out>)
    at /home/david/src/qore/git/qore/lib/QoreProgramHelper.cpp:50
#15 0x00007fffa6313b2c in std::default_delete<QoreProgramHelper>::operator() (this=0x7fffa671e1d0 <jni::Globals::qph>, __ptr=0x7ffff0643b30)
    at /usr/include/c++/10/bits/unique_ptr.h:85