/* Unix emulation routines for GNU Emacs on the Mac OS.
Copyright (C) 2000, 2001, 2002, 2003, 2004,
- 2005, 2006, 2007 Free Software Foundation, Inc.
+ 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
This file is part of GNU Emacs.
/* The single script context used for all script executions. */
static OSAID as_script_context;
+#ifndef MAC_OS_X
#if TARGET_API_MAC_CARBON
static int wakeup_from_rne_enabled_p = 0;
#define ENABLE_WAKEUP_FROM_RNE (wakeup_from_rne_enabled_p = 1)
#define ENABLE_WAKEUP_FROM_RNE 0
#define DISABLE_WAKEUP_FROM_RNE 0
#endif
+#endif
#ifndef MAC_OSX
static OSErr posix_pathname_to_fsspec P_ ((const char *, FSSpec *));
cfdate_to_lisp (date)
CFDateRef date;
{
- static const CFGregorianDate epoch_gdate = {1970, 1, 1, 0, 0, 0.0};
- static CFAbsoluteTime epoch = 0.0, sec;
- int high, low;
-
- if (epoch == 0.0)
- epoch = CFGregorianDateGetAbsoluteTime (epoch_gdate, NULL);
+ CFTimeInterval sec;
+ int high, low, microsec;
- sec = CFDateGetAbsoluteTime (date) - epoch;
+ sec = CFDateGetAbsoluteTime (date) + kCFAbsoluteTimeIntervalSince1970;
high = sec / 65536.0;
low = sec - high * 65536.0;
+ microsec = (sec - floor (sec)) * 1000000.0;
- return list3 (make_number (high), make_number (low), make_number (0));
+ return list3 (make_number (high), make_number (low), make_number (microsec));
}
SELECT_TIMEOUT_THRESHOLD_RUNLOOP seconds).
-> Create CFSocket for each socket and add it into the current
event RunLoop so that the current event loop gets quit when
- the socket becomes ready. Then ReceiveNextEvent can wait for
- both kinds of inputs.
+ the socket becomes ready. Then CFRunLoopRunInMode can wait
+ for both kinds of inputs.
4. Otherwise.
-> Periodically poll the window input channel while repeatedly
executing `select' with a short timeout
#if SELECT_USE_CFSOCKET
#define SELECT_TIMEOUT_THRESHOLD_RUNLOOP 0.2
+/* Dictionary of file descriptors vs CFSocketRef's allocated in
+ sys_select. */
+static CFMutableDictionaryRef cfsockets_for_select;
+
static void
socket_callback (s, type, address, data, info)
CFSocketRef s;
const void *data;
void *info;
{
- int fd = CFSocketGetNative (s);
- SELECT_TYPE *ofds = (SELECT_TYPE *)info;
-
- if ((type == kCFSocketReadCallBack && FD_ISSET (fd, &ofds[0]))
- || (type == kCFSocketConnectCallBack && FD_ISSET (fd, &ofds[1])))
- QuitEventLoop (GetCurrentEventLoop ());
}
#endif /* SELECT_USE_CFSOCKET */
SELECT_TYPE *rfds, *wfds, *efds;
EMACS_TIME *timeout;
{
- OSStatus err = noErr;
+ int timedout_p = 0;
int r = 0;
+ EMACS_TIME select_timeout;
+ EventTimeout timeoutval =
+ (timeout
+ ? (EMACS_SECS (*timeout) * kEventDurationSecond
+ + EMACS_USECS (*timeout) * kEventDurationMicrosecond)
+ : kEventDurationForever);
+ SELECT_TYPE orfds, owfds, oefds;
- /* Try detect_input_pending before ReceiveNextEvent in the same
+ if (timeout == NULL)
+ {
+ if (rfds) orfds = *rfds;
+ if (wfds) owfds = *wfds;
+ if (efds) oefds = *efds;
+ }
+
+ /* Try detect_input_pending before CFRunLoopRunInMode in the same
BLOCK_INPUT block, in case that some input has already been read
asynchronously. */
BLOCK_INPUT;
- ENABLE_WAKEUP_FROM_RNE;
- if (!detect_input_pending ())
+ while (1)
{
- EMACS_TIME select_timeout;
- EventTimeout timeoutval =
- (timeout
- ? (EMACS_SECS (*timeout) * kEventDurationSecond
- + EMACS_USECS (*timeout) * kEventDurationMicrosecond)
- : kEventDurationForever);
+ if (detect_input_pending ())
+ break;
EMACS_SET_SECS_USECS (select_timeout, 0, 0);
r = select (nfds, rfds, wfds, efds, &select_timeout);
+ if (r != 0)
+ break;
+
if (timeoutval == 0.0)
- err = eventLoopTimedOutErr;
- else if (r == 0)
+ timedout_p = 1;
+ else
{
#if USE_CG_DRAWING
mac_prepare_for_quickdraw (NULL);
#endif
- err = ReceiveNextEvent (0, NULL, timeoutval,
- kEventLeaveInQueue, NULL);
+ if (CFRunLoopRunInMode (kCFRunLoopDefaultMode,
+ timeoutval >= 0 ? timeoutval : 100000, true)
+ == kCFRunLoopRunTimedOut)
+ timedout_p = 1;
+ }
+
+ if (timeout == NULL && timedout_p)
+ {
+ if (rfds) *rfds = orfds;
+ if (wfds) *wfds = owfds;
+ if (efds) *efds = oefds;
}
+ else
+ break;
}
- DISABLE_WAKEUP_FROM_RNE;
UNBLOCK_INPUT;
if (r != 0)
return r;
- else if (err == noErr)
+ else if (!timedout_p)
{
/* Pretend that `select' is interrupted by a signal. */
detect_input_pending ();
return 0;
}
+/* Clean up the CFSocket associated with the file descriptor FD in
+ case the same descriptor is used in other threads later. If no
+ CFSocket is associated with FD, then return 0 without closing FD.
+ Otherwise, return 1 with closing FD. */
+
+int
+mac_try_close_socket (fd)
+ int fd;
+{
+#if SELECT_USE_CFSOCKET
+ if (cfsockets_for_select)
+ {
+ void *key = (void *) fd;
+ CFSocketRef socket =
+ (CFSocketRef) CFDictionaryGetValue (cfsockets_for_select, key);
+
+ if (socket)
+ {
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1020
+ CFOptionFlags flags = CFSocketGetSocketFlags (socket);
+
+ if (!(flags & kCFSocketCloseOnInvalidate))
+ CFSocketSetSocketFlags (socket, flags | kCFSocketCloseOnInvalidate);
+#endif
+ BLOCK_INPUT;
+ CFSocketInvalidate (socket);
+ CFDictionaryRemoveValue (cfsockets_for_select, key);
+ UNBLOCK_INPUT;
+
+ return 1;
+ }
+ }
+#endif
+
+ return 0;
+}
+
int
sys_select (nfds, rfds, wfds, efds, timeout)
int nfds;
SELECT_TYPE *rfds, *wfds, *efds;
EMACS_TIME *timeout;
{
- OSStatus err = noErr;
+ int timedout_p = 0;
int r;
EMACS_TIME select_timeout;
- static SELECT_TYPE ofds[3];
+ SELECT_TYPE orfds, owfds, oefds;
if (inhibit_window_system || noninteractive
|| nfds < 1 || rfds == NULL || !FD_ISSET (0, rfds))
return select (nfds, rfds, wfds, efds, timeout);
FD_CLR (0, rfds);
- ofds[0] = *rfds;
+ orfds = *rfds;
if (wfds)
- ofds[1] = *wfds;
+ owfds = *wfds;
else
- FD_ZERO (&ofds[1]);
+ FD_ZERO (&owfds);
if (efds)
- ofds[2] = *efds;
+ oefds = *efds;
else
{
EventTimeout timeoutval =
if (r != 0 || timeoutval == 0.0)
return r;
- *rfds = ofds[0];
+ *rfds = orfds;
if (wfds)
- *wfds = ofds[1];
+ *wfds = owfds;
#if SELECT_USE_CFSOCKET
if (timeoutval > 0 && timeoutval <= SELECT_TIMEOUT_THRESHOLD_RUNLOOP)
goto poll_periodically;
- /* Try detect_input_pending before ReceiveNextEvent in the same
- BLOCK_INPUT block, in case that some input has already been
- read asynchronously. */
+ /* Try detect_input_pending before CFRunLoopRunInMode in the
+ same BLOCK_INPUT block, in case that some input has already
+ been read asynchronously. */
BLOCK_INPUT;
- ENABLE_WAKEUP_FROM_RNE;
if (!detect_input_pending ())
{
int minfd, fd;
CFRunLoopRef runloop =
(CFRunLoopRef) GetCFRunLoopFromEventLoop (GetCurrentEventLoop ());
- static const CFSocketContext context = {0, ofds, NULL, NULL, NULL};
static CFMutableDictionaryRef sources;
if (sources == NULL)
CFDictionaryCreateMutable (NULL, 0, NULL,
&kCFTypeDictionaryValueCallBacks);
+ if (cfsockets_for_select == NULL)
+ cfsockets_for_select =
+ CFDictionaryCreateMutable (NULL, 0, NULL,
+ &kCFTypeDictionaryValueCallBacks);
+
for (minfd = 1; ; minfd++) /* nfds-1 works as a sentinel. */
if (FD_ISSET (minfd, rfds) || (wfds && FD_ISSET (minfd, wfds)))
break;
CFRunLoopSourceRef source =
(CFRunLoopSourceRef) CFDictionaryGetValue (sources, key);
- if (source == NULL)
+ if (source == NULL || !CFRunLoopSourceIsValid (source))
{
CFSocketRef socket =
CFSocketCreateWithNative (NULL, fd,
(kCFSocketReadCallBack
| kCFSocketConnectCallBack),
- socket_callback, &context);
+ socket_callback, NULL);
if (socket == NULL)
continue;
+ CFDictionarySetValue (cfsockets_for_select, key, socket);
source = CFSocketCreateRunLoopSource (NULL, socket, 0);
CFRelease (socket);
if (source == NULL)
continue;
- CFDictionaryAddValue (sources, key, source);
+ CFDictionarySetValue (sources, key, source);
CFRelease (source);
}
CFRunLoopAddSource (runloop, source, kCFRunLoopDefaultMode);
#if USE_CG_DRAWING
mac_prepare_for_quickdraw (NULL);
#endif
- err = ReceiveNextEvent (0, NULL, timeoutval,
- kEventLeaveInQueue, NULL);
+ if (CFRunLoopRunInMode (kCFRunLoopDefaultMode,
+ timeoutval >= 0 ? timeoutval : 100000, true)
+ == kCFRunLoopRunTimedOut)
+ timedout_p = 1;
for (fd = minfd; fd < nfds; fd++)
if (FD_ISSET (fd, rfds) || (wfds && FD_ISSET (fd, wfds)))
CFRunLoopRemoveSource (runloop, source, kCFRunLoopDefaultMode);
}
}
- DISABLE_WAKEUP_FROM_RNE;
UNBLOCK_INPUT;
- if (err == noErr || err == eventLoopQuitErr)
+ if (!timedout_p)
{
EMACS_SET_SECS_USECS (select_timeout, 0, 0);
return select_and_poll_event (nfds, rfds, wfds, efds,
if (r != 0)
return r;
- *rfds = ofds[0];
+ *rfds = orfds;
if (wfds)
- *wfds = ofds[1];
+ *wfds = owfds;
if (efds)
- *efds = ofds[2];
+ *efds = oefds;
if (timeout)
{
void
mac_wakeup_from_rne ()
{
+#ifndef MAC_OSX
if (wakeup_from_rne_enabled_p)
/* Post a harmless event so as to wake up from
ReceiveNextEvent. */
mac_post_mouse_moved_event ();
+#endif
}
#endif