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* ser-mingw.c (fd_is_file): New function.

Browse Source 
(file_select_thread): New function.
	(ser_console_wait_handle): Add special handling for files.
This commit is contained in:
Jerome Guitton
2007-04-19 13:04:30 +00:00
parent ec5fb24f94
commit 7e71daaa7b
2 changed files with 56 additions and 2 deletions
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6
gdb/ChangeLog
View File

@ -1,3 +1,9 @@
2007-04-19 Jerome Guitton <guitton@adacore.com>
* ser-mingw.c (fd_is_file): New function.
(file_select_thread): New function.
(ser_console_wait_handle): Add special handling for files.
2007-04-18 Denis Pilat <denis.pilat@st.com>
* dwarf2read.c (read_subrange_type): Use DW_ATE_signed default type

52
gdb/ser-mingw.c
View File

@ -453,6 +453,15 @@ fd_is_pipe (int fd)
return 0;
}
static int
fd_is_file (int fd)
{
if (GetFileType ((HANDLE) _get_osfhandle (fd)) == FILE_TYPE_DISK)
return 1;
else
return 0;
}
static DWORD WINAPI
pipe_select_thread (void *arg)
{
@ -501,6 +510,42 @@ pipe_select_thread (void *arg)
}
}
static DWORD WINAPI
file_select_thread (void *arg)
{
struct serial *scb = arg;
struct ser_console_state *state;
int event_index;
HANDLE h;
state = scb->state;
h = (HANDLE) _get_osfhandle (scb->fd);
while (1)
{
HANDLE wait_events[2];
DWORD n_avail;
SetEvent (state->have_stopped);
wait_events[0] = state->start_select;
wait_events[1] = state->exit_select;
if (WaitForMultipleObjects (2, wait_events, FALSE, INFINITE) != WAIT_OBJECT_0)
return 0;
ResetEvent (state->have_stopped);
if (SetFilePointer (h, 0, NULL, FILE_CURRENT) == INVALID_SET_FILE_POINTER)
{
SetEvent (state->except_event);
continue;
}
SetEvent (state->read_event);
}
}
static void
ser_console_wait_handle (struct serial *scb, HANDLE *read, HANDLE *except)
{
@ -512,7 +557,7 @@ ser_console_wait_handle (struct serial *scb, HANDLE *read, HANDLE *except)
int is_tty;
is_tty = isatty (scb->fd);
if (!is_tty && !fd_is_pipe (scb->fd))
if (!is_tty && !fd_is_file (scb->fd) && !fd_is_pipe (scb->fd))
{
*read = NULL;
*except = NULL;
@ -541,9 +586,12 @@ ser_console_wait_handle (struct serial *scb, HANDLE *read, HANDLE *except)
if (is_tty)
state->thread = CreateThread (NULL, 0, console_select_thread, scb, 0,
&threadId);
else
else if (fd_is_pipe (scb->fd))
state->thread = CreateThread (NULL, 0, pipe_select_thread, scb, 0,
&threadId);
else
state->thread = CreateThread (NULL, 0, file_select_thread, scb, 0,
&threadId);
}
*read = state->read_event;