/* Host support routines for MinGW, for GDB, the GNU debugger.
- Copyright (C) 2006-2015 Free Software Foundation, Inc.
+ Copyright (C) 2006-2018 Free Software Foundation, Inc.
This file is part of GDB.
#include <windows.h>
-/* This event is signalled whenever an asynchronous SIGINT handler
- needs to perform an action in the main thread. */
-static HANDLE sigint_event;
-
-/* When SIGINT_EVENT is signalled, gdb_select will call this
- function. */
-struct async_signal_handler *sigint_handler;
-
/* Return an absolute file name of the running GDB, if possible, or
ARGV0 if not. The return value is in malloc'ed storage. */
}
}
- gdb_assert (num_handles < MAXIMUM_WAIT_OBJECTS);
- handles[num_handles++] = sigint_event;
+ gdb_assert (num_handles <= MAXIMUM_WAIT_OBJECTS);
event = WaitForMultipleObjects (num_handles,
handles,
while (RL_ISSTATE (RL_STATE_SIGHANDLER))
Sleep (1);
- if (h == sigint_event
- || WaitForSingleObject (sigint_event, 0) == WAIT_OBJECT_0)
- {
- if (sigint_handler != NULL)
- call_async_signal_handler (sigint_handler);
-
- if (num_ready == 0)
- {
- errno = EINTR;
- return -1;
- }
- }
-
return num_ready;
}
-
-/* Wrapper for the body of signal handlers. On Windows systems, a
- SIGINT handler runs in its own thread. We can't longjmp from
- there, and we shouldn't even prompt the user. Delay HANDLER
- until the main thread is next in gdb_select. */
-
-void
-gdb_call_async_signal_handler (struct async_signal_handler *handler,
- int immediate_p)
-{
- if (immediate_p)
- sigint_handler = handler;
- else
- {
- mark_async_signal_handler (handler);
- sigint_handler = NULL;
- }
- SetEvent (sigint_event);
-}
-
-/* -Wmissing-prototypes */
-extern initialize_file_ftype _initialize_mingw_hdep;
-
-void
-_initialize_mingw_hdep (void)
-{
- sigint_event = CreateEvent (0, FALSE, FALSE, 0);
-}