diff options
Diffstat (limited to 'winsup/cygwin/exceptions.cc')
| -rw-r--r-- | winsup/cygwin/exceptions.cc | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/winsup/cygwin/exceptions.cc b/winsup/cygwin/exceptions.cc index 277bd713a..1de0bf976 100644 --- a/winsup/cygwin/exceptions.cc +++ b/winsup/cygwin/exceptions.cc @@ -10,6 +10,8 @@ Cygwin license. Please consult the file "CYGWIN_LICENSE" for details. */ #include "winsup.h" +#include <wingdi.h> +#include <winuser.h> #include <imagehlp.h> #include <stdlib.h> #include <setjmp.h> @@ -782,6 +784,27 @@ out: return interrupted; } +static inline bool +has_visible_window_station () +{ + HWINSTA station_hdl; + USEROBJECTFLAGS uof; + DWORD len; + + /* Check if the process is associated with a visible window station. + These are processes running on the local desktop as well as processes + running in terminal server sessions. + Processes running in a service session not explicitely associated + with the desktop (using the "Allow service to interact with desktop" + property) are running in an invisible window station. */ + if ((station_hdl = GetProcessWindowStation ()) + && GetUserObjectInformationA (station_hdl, UOI_FLAGS, &uof, + sizeof uof, &len) + && (uof.dwFlags & WSF_VISIBLE)) + return true; + return false; +} + /* Keyboard interrupt handler. */ static BOOL WINAPI ctrl_c_handler (DWORD type) |