unotools/source/ucbhelper/ucblockbytes.cxx |    3 +++
 1 file changed, 3 insertions(+)

New commits:
commit 2977dc5846b557bb9c7dc33ac92921f7b4096763
Author:     Stephan Bergmann <sberg...@redhat.com>
AuthorDate: Mon Mar 1 12:11:19 2021 +0100
Commit:     Stephan Bergmann <sberg...@redhat.com>
CommitDate: Mon Mar 1 15:45:12 2021 +0100

    At least warn about the missing osl::Thread::join with a TODO comment
    
    (as is already done in other such cases, too).  This apparently randomly hit
    e.g. <https://ci.libreoffice.org/job/gerrit_linux_clang_dbgutil/81371/> now,
    
    > Program terminated with signal 11, Segmentation fault.
    >
    > Thread 2 (Thread 0x2b2d9ec16600 (LWP 23008)):
    [...]
    > #72 0x00002b2d9edff4d2 in configmgr::Components::~Components() 
(this=0x2b2d9ef26e58 
<configmgr::Components::getSingleton(com::sun::star::uno::Reference<com::sun::star::uno::XComponentContext>
 const&)::singleton>) at 
/home/tdf/lode/jenkins/workspace/lo_gerrit/Config/linux_clang_dbgutil_64/configmgr/source/components.cxx:641
    > #73 0x00002b2d854cdce9 in __run_exit_handlers () at /lib64/libc.so.6
    > #74 0x00002b2d854cdd37 in  () at /lib64/libc.so.6
    > #75 0x00002b2d854b655c in __libc_start_main () at /lib64/libc.so.6
    > #76 0x00000000004007a9 in _start ()
    >
    > Thread 1 (Thread 0x2b2db04a5700 (LWP 24092)):
    > #0  0x00002b2d8672a36b in pthread_rwlock_wrlock () at 
/lib64/libpthread.so.0
    > #1  0x00002b2db00d97d5 in CRYPTO_THREAD_write_lock (lock=0x0) at 
crypto/threads_pthread.c:78
    > #2  0x00002b2db00a9b69 in RAND_get_rand_method () at 
crypto/rand/rand_lib.c:847
    > #3  0x00002b2db00aa30d in RAND_status () at crypto/rand/rand_lib.c:956
    > #4  0x00002b2daff92b9d in seed_ssl_prng () at 
/home/tdf/lode/jenkins/workspace/lo_gerrit/Config/linux_clang_dbgutil_64/workdir/UnpackedTarball/neon/src/ne_socket.c:265
    > #5  0x00002b2daff929c9 in ne_sock_connect_ssl (sock=0x29845a0, 
ctx=0x34e6150, userdata=0x1e224e0) at 
/home/tdf/lode/jenkins/workspace/lo_gerrit/Config/linux_clang_dbgutil_64/workdir/UnpackedTarball/neon/src/ne_socket.c:1800
    > #6  0x00002b2daff9ac02 in ne__negotiate_ssl (sess=0x1e224e0) at 
/home/tdf/lode/jenkins/workspace/lo_gerrit/Config/linux_clang_dbgutil_64/workdir/UnpackedTarball/neon/src/ne_openssl.c:717
    > #7  0x00002b2daff8de68 in open_connection (sess=0x1e224e0) at 
/home/tdf/lode/jenkins/workspace/lo_gerrit/Config/linux_clang_dbgutil_64/workdir/UnpackedTarball/neon/src/ne_request.c:1716
    > #8  0x00002b2daff8cfd6 in send_request (req=0x351d930, request=0x2ea4460) 
at 
/home/tdf/lode/jenkins/workspace/lo_gerrit/Config/linux_clang_dbgutil_64/workdir/UnpackedTarball/neon/src/ne_request.c:1021
    > #9  0x00002b2daff8c698 in ne_begin_request (req=0x351d930) at 
/home/tdf/lode/jenkins/workspace/lo_gerrit/Config/linux_clang_dbgutil_64/workdir/UnpackedTarball/neon/src/ne_request.c:1255
    > #10 0x00002b2daff8db25 in ne_request_dispatch (req=0x351d930) at 
/home/tdf/lode/jenkins/workspace/lo_gerrit/Config/linux_clang_dbgutil_64/workdir/UnpackedTarball/neon/src/ne_request.c:1466
    > #11 0x00002b2dafe4921b in webdav_ucp::NeonSession::OPTIONS(rtl::OUString 
const&, webdav_ucp::DAVOptions&, webdav_ucp::DAVRequestEnvironment const&) 
(this=0x34e6390, inPath="/api/Icons.json", rOptions=..., rEnv=...) at 
/home/tdf/lode/jenkins/workspace/lo_gerrit/Config/linux_clang_dbgutil_64/ucb/source/ucp/webdav-neon/NeonSession.cxx:879
    > #12 0x00002b2dafe11bbc in 
webdav_ucp::DAVResourceAccess::OPTIONS(webdav_ucp::DAVOptions&, 
com::sun::star::uno::Reference<com::sun::star::ucb::XCommandEnvironment> 
const&) (this=0x34e7880, rOptions=..., xEnv=uno::Reference to (utl::(anonymous 
namespace)::UcbTaskEnvironment *) 0x34e8908) at 
/home/tdf/lode/jenkins/workspace/lo_gerrit/Config/linux_clang_dbgutil_64/ucb/source/ucp/webdav-neon/DAVResourceAccess.cxx:187
    > #13 0x00002b2dafe9fc28 in 
webdav_ucp::Content::getResourceOptions(com::sun::star::uno::Reference<com::sun::star::ucb::XCommandEnvironment>
 const&, webdav_ucp::DAVOptions&, 
std::unique_ptr<webdav_ucp::DAVResourceAccess, 
std::default_delete<webdav_ucp::DAVResourceAccess> > const&, bool*) 
(this=0x34e8970, xEnv=uno::Reference to (utl::(anonymous 
namespace)::UcbTaskEnvironment *) 0x34e8908, rDAVOptions=..., rResAccess=..., 
networkAccessAllowed=0x0) at 
/home/tdf/lode/jenkins/workspace/lo_gerrit/Config/linux_clang_dbgutil_64/ucb/source/ucp/webdav-neon/webdavcontent.cxx:3928
    > #14 0x00002b2dafe90664 in 
webdav_ucp::Content::open(com::sun::star::ucb::OpenCommandArgument3 const&, 
com::sun::star::uno::Reference<com::sun::star::ucb::XCommandEnvironment> 
const&) (this=0x34e8970, rArg=..., xEnv=uno::Reference to (utl::(anonymous 
namespace)::UcbTaskEnvironment *) 0x34e8908) at 
/home/tdf/lode/jenkins/workspace/lo_gerrit/Config/linux_clang_dbgutil_64/ucb/source/ucp/webdav-neon/webdavcontent.cxx:2225
    > #15 0x00002b2dafe87e0d in 
webdav_ucp::Content::execute(com::sun::star::ucb::Command const&, int, 
com::sun::star::uno::Reference<com::sun::star::ucb::XCommandEnvironment> 
const&) (this=0x34e8970, aCommand=..., Environment=uno::Reference to 
(utl::(anonymous namespace)::UcbTaskEnvironment *) 0x34e8908) at 
/home/tdf/lode/jenkins/workspace/lo_gerrit/Config/linux_clang_dbgutil_64/ucb/source/ucp/webdav-neon/webdavcontent.cxx:553
    > #16 0x00002b2dafe997c1 in non-virtual thunk to 
webdav_ucp::Content::execute(com::sun::star::ucb::Command const&, int, 
com::sun::star::uno::Reference<com::sun::star::ucb::XCommandEnvironment> 
const&) () at 
/home/tdf/lode/jenkins/workspace/lo_gerrit/Config/linux_clang_dbgutil_64/instdir/program/../program/libucpdav1.so
    > #17 0x00002b2d8d5436aa in 
ucbhelper::Content_Impl::executeCommand(com::sun::star::ucb::Command const&) 
(this=0x34cbbd0, rCommand=...) at 
/home/tdf/lode/jenkins/workspace/lo_gerrit/Config/linux_clang_dbgutil_64/ucbhelper/source/client/content.cxx:1255
    > #18 0x00002b2d8d5447b6 in 
ucbhelper::Content::executeCommand(rtl::OUString const&, 
com::sun::star::uno::Any const&) (this=0x34e8858, rCommandName="open", 
rCommandArgument=uno::Any("com.sun.star.ucb.OpenCommandArgument2": 
{<com::sun::star::ucb::OpenCommandArgument> = {Mode = 2, Priority = 0, Sink = 
uno::Reference to (utl::(anonymous namespace)::ModeratorsActiveDataSink *) 
0x34e7100, Properties = empty uno::Sequence}, SortingInfo = empty 
uno::Sequence})) at 
/home/tdf/lode/jenkins/workspace/lo_gerrit/Config/linux_clang_dbgutil_64/ucbhelper/source/client/content.cxx:558
    > #19 0x00002b2d8d8257a6 in utl::(anonymous namespace)::Moderator::run() 
(this=0x34e87b0) at 
/home/tdf/lode/jenkins/workspace/lo_gerrit/Config/linux_clang_dbgutil_64/unotools/source/ucbhelper/ucblockbytes.cxx:580
    > #20 0x00002b2d8d82cd9e in threadFunc(void*) (param=0x34e87b0) at 
/home/tdf/lode/jenkins/workspace/lo_gerrit/Config/linux_clang_dbgutil_64/include/osl/thread.hxx:189
    > #21 0x00002b2d850b3f3a in osl_thread_start_Impl(void*) (pData=0x34e7200) 
at 
/home/tdf/lode/jenkins/workspace/lo_gerrit/Config/linux_clang_dbgutil_64/sal/osl/unx/thread.cxx:264
    > #22 0x00002b2d86726ea5 in start_thread () at /lib64/libpthread.so.0
    > #23 0x00002b2d8559296d in clone () at /lib64/libc.so.6
    
    during UITest_sw_options
    
    Change-Id: I739bca5c27fba12efb9ed0e902e8d9d1a06c49af
    Reviewed-on: https://gerrit.libreoffice.org/c/core/+/111742
    Tested-by: Jenkins
    Reviewed-by: Stephan Bergmann <sberg...@redhat.com>

diff --git a/unotools/source/ucbhelper/ucblockbytes.cxx 
b/unotools/source/ucbhelper/ucblockbytes.cxx
index 1eeb47b229d4..a02652290b6a 100644
--- a/unotools/source/ucbhelper/ucblockbytes.cxx
+++ b/unotools/source/ucbhelper/ucblockbytes.cxx
@@ -680,6 +680,9 @@ static bool UCBOpenContentSync(
     {
         pMod = new Moderator(xContent,xInteract,rArg);
         pMod->create();
+            //TODO: a protocol is missing how to join with the launched thread 
before exit(3), to
+            // ensure the thread is no longer relying on any infrastructure 
while that
+            // infrastructure is being shut down in atexit handlers
     }
     catch (const ContentCreationException&)
     {
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