static int
do_play_sound (const char *psz_file, unsigned long ui_volume)
{
int i_result = 0;
MCIERROR mci_error = 0;
char sz_cmd_buf_a[520];
char sz_ret_buf_a[520];
MMRESULT mm_result = MMSYSERR_NOERROR;
unsigned long ui_volume_org = 0;
BOOL b_reset_volume = FALSE;
char warn_text[560];
/* Since UNICOWS.DLL includes only a stub for mciSendStringW, we
need to encode the file in the ANSI codepage on Windows 9X even
if w32_unicode_filenames is non-zero. */
if (w32_major_version <= 4 || !w32_unicode_filenames)
{
char fname_a[MAX_PATH], shortname[MAX_PATH], *fname_to_use;
filename_to_ansi (psz_file, fname_a);
fname_to_use = fname_a;
/* If the file name is not encodable in ANSI, try its short 8+3
alias. This will only work if w32_unicode_filenames is
non-zero. */
if (_mbspbrk ((const unsigned char *)fname_a,
(const unsigned char *)"?"))
{
if (w32_get_short_filename (psz_file, shortname, MAX_PATH))
fname_to_use = shortname;
else
mci_error = MCIERR_FILE_NOT_FOUND;
}
if (!mci_error)
{
memset (sz_cmd_buf_a, 0, sizeof (sz_cmd_buf_a));
memset (sz_ret_buf_a, 0, sizeof (sz_ret_buf_a));
sprintf (sz_cmd_buf_a,
"open \"%s\" alias GNUEmacs_PlaySound_Device wait",
fname_to_use);
mci_error = mciSendStringA (sz_cmd_buf_a,
sz_ret_buf_a, sizeof (sz_ret_buf_a), NULL);
}
}
else
{
wchar_t sz_cmd_buf_w[520];
wchar_t sz_ret_buf_w[520];
wchar_t fname_w[MAX_PATH];
filename_to_utf16 (psz_file, fname_w);
memset (sz_cmd_buf_w, 0, sizeof (sz_cmd_buf_w));
memset (sz_ret_buf_w, 0, sizeof (sz_ret_buf_w));
/* _swprintf is not available on Windows 9X, so we construct the
UTF-16 command string by hand. */
wcscpy (sz_cmd_buf_w, L"open \"");
wcscat (sz_cmd_buf_w, fname_w);
wcscat (sz_cmd_buf_w, L"\" alias GNUEmacs_PlaySound_Device wait");
mci_error = mciSendStringW (sz_cmd_buf_w,
sz_ret_buf_w, ARRAYELTS (sz_ret_buf_w) , NULL);
}
if (mci_error != 0)
{
strcpy (warn_text,
"mciSendString: 'open' command failed to open sound file ");
strcat (warn_text, psz_file);
SOUND_WARNING (mciGetErrorString, mci_error, warn_text);
i_result = (int) mci_error;
return i_result;
}
if ((ui_volume > 0) && (ui_volume != UINT_MAX))
{
mm_result = waveOutGetVolume ((HWAVEOUT) WAVE_MAPPER, &ui_volume_org);
if (mm_result == MMSYSERR_NOERROR)
{
b_reset_volume = TRUE;
mm_result = waveOutSetVolume ((HWAVEOUT) WAVE_MAPPER, ui_volume);
if (mm_result != MMSYSERR_NOERROR)
{
SOUND_WARNING (waveOutGetErrorText, mm_result,
"waveOutSetVolume: failed to set the volume level"
" of the WAVE_MAPPER device.\n"
"As a result, the user selected volume level will"
" not be used.");
}
}
else
{
SOUND_WARNING (waveOutGetErrorText, mm_result,
"waveOutGetVolume: failed to obtain the original"
" volume level of the WAVE_MAPPER device.\n"
"As a result, the user selected volume level will"
" not be used.");
}
}
memset (sz_cmd_buf_a, 0, sizeof (sz_cmd_buf_a));
memset (sz_ret_buf_a, 0, sizeof (sz_ret_buf_a));
strcpy (sz_cmd_buf_a, "play GNUEmacs_PlaySound_Device wait");
mci_error = mciSendStringA (sz_cmd_buf_a, sz_ret_buf_a, sizeof (sz_ret_buf_a),
NULL);
if (mci_error != 0)
{
strcpy (warn_text,
"mciSendString: 'play' command failed to play sound file ");
strcat (warn_text, psz_file);
SOUND_WARNING (mciGetErrorString, mci_error, warn_text);
i_result = (int) mci_error;
}
memset (sz_cmd_buf_a, 0, sizeof (sz_cmd_buf_a));
memset (sz_ret_buf_a, 0, sizeof (sz_ret_buf_a));
strcpy (sz_cmd_buf_a, "close GNUEmacs_PlaySound_Device wait");
mci_error = mciSendStringA (sz_cmd_buf_a, sz_ret_buf_a, sizeof (sz_ret_buf_a),
NULL);
if (b_reset_volume == TRUE)
{
mm_result = waveOutSetVolume ((HWAVEOUT) WAVE_MAPPER, ui_volume_org);
if (mm_result != MMSYSERR_NOERROR)
{
SOUND_WARNING (waveOutGetErrorText, mm_result,
"waveOutSetVolume: failed to reset the original"
" volume level of the WAVE_MAPPER device.");
}
}
return i_result;
}
int
xg_select (int fds_lim, fd_set *rfds, fd_set *wfds, fd_set *efds,
struct timespec *timeout, sigset_t *sigmask)
{
fd_set all_rfds, all_wfds;
struct timespec tmo;
struct timespec *tmop = timeout;
GMainContext *context;
bool have_wfds = wfds != NULL;
GPollFD gfds_buf[128];
GPollFD *gfds = gfds_buf;
int gfds_size = ARRAYELTS (gfds_buf);
int n_gfds, retval = 0, our_fds = 0, max_fds = fds_lim - 1;
bool context_acquired = false;
int i, nfds, tmo_in_millisec, must_free = 0;
bool need_to_dispatch;
context = g_main_context_default ();
context_acquired = g_main_context_acquire (context);
/* FIXME: If we couldn't acquire the context, we just silently proceed
because this function handles more than just glib file descriptors.
Note that, as implemented, this failure is completely silent: there is
no feedback to the caller. */
if (rfds) all_rfds = *rfds;
else FD_ZERO (&all_rfds);
if (wfds) all_wfds = *wfds;
else FD_ZERO (&all_wfds);
n_gfds = (context_acquired
? g_main_context_query (context, G_PRIORITY_LOW, &tmo_in_millisec,
gfds, gfds_size)
: -1);
if (gfds_size < n_gfds)
{
/* Avoid using SAFE_NALLOCA, as that implicitly refers to the
current thread. Using xnmalloc avoids thread-switching
problems here. */
gfds = xnmalloc (n_gfds, sizeof *gfds);
must_free = 1;
gfds_size = n_gfds;
n_gfds = g_main_context_query (context, G_PRIORITY_LOW, &tmo_in_millisec,
gfds, gfds_size);
}
for (i = 0; i < n_gfds; ++i)
{
if (gfds[i].events & G_IO_IN)
{
FD_SET (gfds[i].fd, &all_rfds);
if (gfds[i].fd > max_fds) max_fds = gfds[i].fd;
}
if (gfds[i].events & G_IO_OUT)
{
FD_SET (gfds[i].fd, &all_wfds);
if (gfds[i].fd > max_fds) max_fds = gfds[i].fd;
have_wfds = true;
}
}
if (must_free)
xfree (gfds);
if (n_gfds >= 0 && tmo_in_millisec >= 0)
{
tmo = make_timespec (tmo_in_millisec / 1000,
1000 * 1000 * (tmo_in_millisec % 1000));
if (!timeout || timespec_cmp (tmo, *timeout) < 0)
tmop = &tmo;
}
fds_lim = max_fds + 1;
nfds = thread_select (pselect, fds_lim,
&all_rfds, have_wfds ? &all_wfds : NULL, efds,
tmop, sigmask);
if (nfds < 0)
retval = nfds;
else if (nfds > 0)
{
for (i = 0; i < fds_lim; ++i)
{
if (FD_ISSET (i, &all_rfds))
{
if (rfds && FD_ISSET (i, rfds)) ++retval;
else ++our_fds;
}
else if (rfds)
FD_CLR (i, rfds);
if (have_wfds && FD_ISSET (i, &all_wfds))
{
if (wfds && FD_ISSET (i, wfds)) ++retval;
else ++our_fds;
}
else if (wfds)
FD_CLR (i, wfds);
if (efds && FD_ISSET (i, efds))
++retval;
}
}
/* If Gtk+ is in use eventually gtk_main_iteration will be called,
unless retval is zero. */
#ifdef USE_GTK
need_to_dispatch = retval == 0;
#else
need_to_dispatch = true;
#endif
if (need_to_dispatch && context_acquired)
{
int pselect_errno = errno;
/* Prevent g_main_dispatch recursion, that would occur without
block_input wrapper, because event handlers call
unblock_input. Event loop recursion was causing Bug#15801. */
block_input ();
while (g_main_context_pending (context))
g_main_context_dispatch (context);
unblock_input ();
errno = pselect_errno;
}
if (context_acquired)
g_main_context_release (context);
/* To not have to recalculate timeout, return like this. */
if ((our_fds > 0 || (nfds == 0 && tmop == &tmo)) && (retval == 0))
{
retval = -1;
errno = EINTR;
}
return retval;
}
static enum profiler_cpu_running
setup_cpu_timer (Lisp_Object sampling_interval)
{
struct sigaction action;
struct itimerval timer;
struct timespec interval;
int billion = 1000000000;
if (! RANGED_INTEGERP (1, sampling_interval,
(TYPE_MAXIMUM (time_t) < EMACS_INT_MAX / billion
? ((EMACS_INT) TYPE_MAXIMUM (time_t) * billion
+ (billion - 1))
: EMACS_INT_MAX)))
return NOT_RUNNING;
current_sampling_interval = XINT (sampling_interval);
interval = make_timespec (current_sampling_interval / billion,
current_sampling_interval % billion);
emacs_sigaction_init (&action, deliver_profiler_signal);
sigaction (SIGPROF, &action, 0);
#ifdef HAVE_ITIMERSPEC
if (! profiler_timer_ok)
{
/* System clocks to try, in decreasing order of desirability. */
static clockid_t const system_clock[] = {
#ifdef CLOCK_THREAD_CPUTIME_ID
CLOCK_THREAD_CPUTIME_ID,
#endif
#ifdef CLOCK_PROCESS_CPUTIME_ID
CLOCK_PROCESS_CPUTIME_ID,
#endif
#ifdef CLOCK_MONOTONIC
CLOCK_MONOTONIC,
#endif
CLOCK_REALTIME
};
int i;
struct sigevent sigev;
sigev.sigev_value.sival_ptr = &profiler_timer;
sigev.sigev_signo = SIGPROF;
sigev.sigev_notify = SIGEV_SIGNAL;
for (i = 0; i < ARRAYELTS (system_clock); i++)
if (timer_create (system_clock[i], &sigev, &profiler_timer) == 0)
{
profiler_timer_ok = 1;
break;
}
}
if (profiler_timer_ok)
{
struct itimerspec ispec;
ispec.it_value = ispec.it_interval = interval;
if (timer_settime (profiler_timer, 0, &ispec, 0) == 0)
return TIMER_SETTIME_RUNNING;
}
#endif
#ifdef HAVE_SETITIMER
timer.it_value = timer.it_interval = make_timeval (interval);
if (setitimer (ITIMER_PROF, &timer, 0) == 0)
return SETITIMER_RUNNING;
#endif
return NOT_RUNNING;
}
int
xg_select (int fds_lim, fd_set *rfds, fd_set *wfds, fd_set *efds,
struct timespec const *timeout, sigset_t const *sigmask)
{
fd_set all_rfds, all_wfds;
struct timespec tmo;
struct timespec const *tmop = timeout;
GMainContext *context;
int have_wfds = wfds != NULL;
GPollFD gfds_buf[128];
GPollFD *gfds = gfds_buf;
int gfds_size = ARRAYELTS (gfds_buf);
int n_gfds, retval = 0, our_fds = 0, max_fds = fds_lim - 1;
int i, nfds, tmo_in_millisec;
bool need_to_dispatch;
USE_SAFE_ALLOCA;
context = g_main_context_default ();
if (rfds) all_rfds = *rfds;
else FD_ZERO (&all_rfds);
if (wfds) all_wfds = *wfds;
else FD_ZERO (&all_wfds);
n_gfds = g_main_context_query (context, G_PRIORITY_LOW, &tmo_in_millisec,
gfds, gfds_size);
if (gfds_size < n_gfds)
{
SAFE_NALLOCA (gfds, sizeof *gfds, n_gfds);
gfds_size = n_gfds;
n_gfds = g_main_context_query (context, G_PRIORITY_LOW, &tmo_in_millisec,
gfds, gfds_size);
}
for (i = 0; i < n_gfds; ++i)
{
if (gfds[i].events & G_IO_IN)
{
FD_SET (gfds[i].fd, &all_rfds);
if (gfds[i].fd > max_fds) max_fds = gfds[i].fd;
}
if (gfds[i].events & G_IO_OUT)
{
FD_SET (gfds[i].fd, &all_wfds);
if (gfds[i].fd > max_fds) max_fds = gfds[i].fd;
have_wfds = 1;
}
}
SAFE_FREE ();
if (tmo_in_millisec >= 0)
{
tmo = make_timespec (tmo_in_millisec / 1000,
1000 * 1000 * (tmo_in_millisec % 1000));
if (!timeout || timespec_cmp (tmo, *timeout) < 0)
tmop = &tmo;
}
fds_lim = max_fds + 1;
nfds = pselect (fds_lim, &all_rfds, have_wfds ? &all_wfds : NULL,
efds, tmop, sigmask);
if (nfds < 0)
retval = nfds;
else if (nfds > 0)
{
for (i = 0; i < fds_lim; ++i)
{
if (FD_ISSET (i, &all_rfds))
{
if (rfds && FD_ISSET (i, rfds)) ++retval;
else ++our_fds;
}
else if (rfds)
FD_CLR (i, rfds);
if (have_wfds && FD_ISSET (i, &all_wfds))
{
if (wfds && FD_ISSET (i, wfds)) ++retval;
else ++our_fds;
}
else if (wfds)
FD_CLR (i, wfds);
if (efds && FD_ISSET (i, efds))
++retval;
}
}
/* If Gtk+ is in use eventually gtk_main_iteration will be called,
unless retval is zero. */
#ifdef USE_GTK
need_to_dispatch = retval == 0;
#else
need_to_dispatch = true;
#endif
if (need_to_dispatch)
{
int pselect_errno = errno;
/* Prevent g_main_dispatch recursion, that would occur without
block_input wrapper, because event handlers call
unblock_input. Event loop recursion was causing Bug#15801. */
block_input ();
while (g_main_context_pending (context))
g_main_context_dispatch (context);
unblock_input ();
errno = pselect_errno;
}
/* To not have to recalculate timeout, return like this. */
if ((our_fds > 0 || (nfds == 0 && tmop == &tmo)) && (retval == 0))
{
retval = -1;
errno = EINTR;
}
return retval;
}
