diff options
| author | Mike Kaganski <mike.kaganski@collabora.com> | 2022-05-05 08:25:11 +0300 |
|---|---|---|
| committer | Mike Kaganski <mike.kaganski@collabora.com> | 2022-05-05 11:57:56 +0200 |
| commit | b8bb44161aeb6e00526a38343b63e678ce7d4a1a (patch) | |
| tree | d1600813044938609545986412e545d0cb1b6ef5 | |
| parent | 7c5d3d74ee7c1f5bb87e46c5ff532451a94cf115 (diff) | |
tdf#146007: make sure to not hold solar mutex
COM might need to forward the call to another thread (with corresponding
apartment); if that thread happens to wait for solar mutex, COM call may
deadlock.
Change-Id: I8fcf04619cd29b678fd7ade87254b9aad2f639a3
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/133853
Tested-by: Jenkins
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
| -rw-r--r-- | fpicker/source/win32/VistaFilePickerImpl.cxx | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fpicker/source/win32/VistaFilePickerImpl.cxx b/fpicker/source/win32/VistaFilePickerImpl.cxx index 81732ce5cc97..741fdadb621a 100644 --- a/fpicker/source/win32/VistaFilePickerImpl.cxx +++ b/fpicker/source/win32/VistaFilePickerImpl.cxx @@ -37,6 +37,7 @@ #include <rtl/process.h> #include <o3tl/char16_t2wchar_t.hxx> #include <o3tl/string_view.hxx> +#include <vcl/svapp.hxx> #include "WinImplHelper.hxx" #include <shlguid.h> @@ -962,6 +963,10 @@ void VistaFilePickerImpl::impl_sta_ShowDialogModal(Request& rRequest) HRESULT hResult = E_FAIL; try { + // tdf#146007: Make sure we don't hold solar mutex: COM may need to forward + // the execution to the main thread, and holding solar mutex could deadlock + SolarMutexGuard g; // First acquire, to avoid releaser failure + SolarMutexReleaser r; // show dialog and wait for user decision hResult = iDialog->Show(m_hParentWindow ? m_hParentWindow : choose_parent_window()); // parent window needed |