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Don't close process handle provided by WaitForDebugEvent 

Only the process handle returned by OpenProcess or CreateProcess needs to
be closed, the one provided by WaitForDebugEvent is closed automatically.

gdbserver/ChangeLog:

2020-05-27  Hannes Domani  <ssbssa@yahoo.de>

	* win32-low.cc (do_initial_child_stuff): Set open_process_used.
	(win32_clear_inferiors): Use open_process_used.
	(get_child_debug_event): Likewise.
This commit is contained in:
Hannes Domani 2020-05-25 00:18:25 +02:00
parent ac637ec30d
commit 6479bf854a
2 changed files with 21 additions and 4 deletions
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6
gdbserver/ChangeLog
View File

@ -1,3 +1,9 @@
2020-05-27 Hannes Domani <ssbssa@yahoo.de>
* win32-low.cc (do_initial_child_stuff): Set open_process_used.
(win32_clear_inferiors): Use open_process_used.
(get_child_debug_event): Likewise.
2020-05-25 Michael Weghorn <m.weghorn@posteo.de>
PR gdbserver/25893

19
gdbserver/win32-low.cc
View File

@ -88,6 +88,9 @@ static int soft_interrupt_requested = 0;
by suspending all the threads. */
static int faked_breakpoint = 0;
/* True if current_process_handle needs to be closed. */
static bool open_process_used = false;
#ifdef __x86_64__
bool wow64_process = false;
#endif
@ -383,6 +386,7 @@ do_initial_child_stuff (HANDLE proch, DWORD pid, int attached)
soft_interrupt_requested = 0;
faked_breakpoint = 0;
open_process_used = true;
memset (&current_event, 0, sizeof (current_event));
@ -859,8 +863,11 @@ windows_nat::handle_output_debug_string (struct target_waitstatus *ourstatus)
static void
win32_clear_inferiors (void)
{
if (current_process_handle != NULL)
CloseHandle (current_process_handle);
if (open_process_used)
{
CloseHandle (current_process_handle);
open_process_used = false;
}
for_each_thread (delete_thread_info);
siginfo_er.ExceptionCode = 0;
@ -1513,6 +1520,12 @@ get_child_debug_event (DWORD *continue_status,
(unsigned) current_event.dwThreadId));
CloseHandle (current_event.u.CreateProcessInfo.hFile);
if (open_process_used)
{
CloseHandle (current_process_handle);
open_process_used = false;
}
current_process_handle = current_event.u.CreateProcessInfo.hProcess;
main_thread_id = current_event.dwThreadId;
@ -1560,8 +1573,6 @@ get_child_debug_event (DWORD *continue_status,
}
}
child_continue (DBG_CONTINUE, desired_stop_thread_id);
CloseHandle (current_process_handle);
current_process_handle = NULL;
break;
case LOAD_DLL_DEBUG_EVENT: