--- /dev/null
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+/* dbus-mainloop.c Main loop utility
+ *
+ * Copyright (C) 2003, 2004 Red Hat, Inc.
+ *
+ * Licensed under the Academic Free License version 2.1
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include "dbus-mainloop.h"
+
+#ifndef DOXYGEN_SHOULD_SKIP_THIS
+
+#include <dbus/dbus-list.h>
+#include <dbus/dbus-sysdeps.h>
+
+#define MAINLOOP_SPEW 0
+
+#if MAINLOOP_SPEW
+#ifdef DBUS_ENABLE_VERBOSE_MODE
+static const char*
+watch_flags_to_string (int flags)
+{
+ const char *watch_type;
+
+ if ((flags & DBUS_WATCH_READABLE) &&
+ (flags & DBUS_WATCH_WRITABLE))
+ watch_type = "readwrite";
+ else if (flags & DBUS_WATCH_READABLE)
+ watch_type = "read";
+ else if (flags & DBUS_WATCH_WRITABLE)
+ watch_type = "write";
+ else
+ watch_type = "not read or write";
+ return watch_type;
+}
+#endif /* DBUS_ENABLE_VERBOSE_MODE */
+#endif /* MAINLOOP_SPEW */
+
+struct DBusLoop
+{
+ int refcount;
+ DBusList *callbacks;
+ int callback_list_serial;
+ int watch_count;
+ int timeout_count;
+ int depth; /**< number of recursive runs */
+ DBusList *need_dispatch;
+};
+
+typedef enum
+{
+ CALLBACK_WATCH,
+ CALLBACK_TIMEOUT
+} CallbackType;
+
+typedef struct
+{
+ int refcount;
+ CallbackType type;
+ void *data;
+ DBusFreeFunction free_data_func;
+} Callback;
+
+typedef struct
+{
+ Callback callback;
+ DBusWatchFunction function;
+ DBusWatch *watch;
+ /* last watch handle failed due to OOM */
+ unsigned int last_iteration_oom : 1;
+} WatchCallback;
+
+typedef struct
+{
+ Callback callback;
+ DBusTimeout *timeout;
+ DBusTimeoutFunction function;
+ unsigned long last_tv_sec;
+ unsigned long last_tv_usec;
+} TimeoutCallback;
+
+#define WATCH_CALLBACK(callback) ((WatchCallback*)callback)
+#define TIMEOUT_CALLBACK(callback) ((TimeoutCallback*)callback)
+
+static WatchCallback*
+watch_callback_new (DBusWatch *watch,
+ DBusWatchFunction function,
+ void *data,
+ DBusFreeFunction free_data_func)
+{
+ WatchCallback *cb;
+
+ cb = dbus_new (WatchCallback, 1);
+ if (cb == NULL)
+ return NULL;
+
+ cb->watch = watch;
+ cb->function = function;
+ cb->last_iteration_oom = FALSE;
+ cb->callback.refcount = 1;
+ cb->callback.type = CALLBACK_WATCH;
+ cb->callback.data = data;
+ cb->callback.free_data_func = free_data_func;
+
+ return cb;
+}
+
+static TimeoutCallback*
+timeout_callback_new (DBusTimeout *timeout,
+ DBusTimeoutFunction function,
+ void *data,
+ DBusFreeFunction free_data_func)
+{
+ TimeoutCallback *cb;
+
+ cb = dbus_new (TimeoutCallback, 1);
+ if (cb == NULL)
+ return NULL;
+
+ cb->timeout = timeout;
+ cb->function = function;
+ _dbus_get_current_time (&cb->last_tv_sec,
+ &cb->last_tv_usec);
+ cb->callback.refcount = 1;
+ cb->callback.type = CALLBACK_TIMEOUT;
+ cb->callback.data = data;
+ cb->callback.free_data_func = free_data_func;
+
+ return cb;
+}
+
+static Callback *
+callback_ref (Callback *cb)
+{
+ _dbus_assert (cb->refcount > 0);
+
+ cb->refcount += 1;
+
+ return cb;
+}
+
+static void
+callback_unref (Callback *cb)
+{
+ _dbus_assert (cb->refcount > 0);
+
+ cb->refcount -= 1;
+
+ if (cb->refcount == 0)
+ {
+ if (cb->free_data_func)
+ (* cb->free_data_func) (cb->data);
+
+ dbus_free (cb);
+ }
+}
+
+static dbus_bool_t
+add_callback (DBusLoop *loop,
+ Callback *cb)
+{
+ if (!_dbus_list_append (&loop->callbacks, cb))
+ return FALSE;
+
+ loop->callback_list_serial += 1;
+
+ switch (cb->type)
+ {
+ case CALLBACK_WATCH:
+ loop->watch_count += 1;
+ break;
+ case CALLBACK_TIMEOUT:
+ loop->timeout_count += 1;
+ break;
+ }
+
+ return TRUE;
+}
+
+static void
+remove_callback (DBusLoop *loop,
+ DBusList *link)
+{
+ Callback *cb = link->data;
+
+ switch (cb->type)
+ {
+ case CALLBACK_WATCH:
+ loop->watch_count -= 1;
+ break;
+ case CALLBACK_TIMEOUT:
+ loop->timeout_count -= 1;
+ break;
+ }
+
+ callback_unref (cb);
+ _dbus_list_remove_link (&loop->callbacks, link);
+ loop->callback_list_serial += 1;
+}
+
+DBusLoop*
+_dbus_loop_new (void)
+{
+ DBusLoop *loop;
+
+ loop = dbus_new0 (DBusLoop, 1);
+ if (loop == NULL)
+ return NULL;
+
+ loop->refcount = 1;
+
+ return loop;
+}
+
+DBusLoop *
+_dbus_loop_ref (DBusLoop *loop)
+{
+ _dbus_assert (loop != NULL);
+ _dbus_assert (loop->refcount > 0);
+
+ loop->refcount += 1;
+
+ return loop;
+}
+
+void
+_dbus_loop_unref (DBusLoop *loop)
+{
+ _dbus_assert (loop != NULL);
+ _dbus_assert (loop->refcount > 0);
+
+ loop->refcount -= 1;
+ if (loop->refcount == 0)
+ {
+ while (loop->need_dispatch)
+ {
+ DBusConnection *connection = _dbus_list_pop_first (&loop->need_dispatch);
+
+ dbus_connection_unref (connection);
+ }
+
+ dbus_free (loop);
+ }
+}
+
+dbus_bool_t
+_dbus_loop_add_watch (DBusLoop *loop,
+ DBusWatch *watch,
+ DBusWatchFunction function,
+ void *data,
+ DBusFreeFunction free_data_func)
+{
+ WatchCallback *wcb;
+
+ wcb = watch_callback_new (watch, function, data, free_data_func);
+ if (wcb == NULL)
+ return FALSE;
+
+ if (!add_callback (loop, (Callback*) wcb))
+ {
+ wcb->callback.free_data_func = NULL; /* don't want to have this side effect */
+ callback_unref ((Callback*) wcb);
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+void
+_dbus_loop_remove_watch (DBusLoop *loop,
+ DBusWatch *watch,
+ DBusWatchFunction function,
+ void *data)
+{
+ DBusList *link;
+
+ link = _dbus_list_get_first_link (&loop->callbacks);
+ while (link != NULL)
+ {
+ DBusList *next = _dbus_list_get_next_link (&loop->callbacks, link);
+ Callback *this = link->data;
+
+ if (this->type == CALLBACK_WATCH &&
+ WATCH_CALLBACK (this)->watch == watch &&
+ this->data == data &&
+ WATCH_CALLBACK (this)->function == function)
+ {
+ remove_callback (loop, link);
+
+ return;
+ }
+
+ link = next;
+ }
+
+ _dbus_warn ("could not find watch %p function %p data %p to remove\n",
+ watch, (void *)function, data);
+}
+
+dbus_bool_t
+_dbus_loop_add_timeout (DBusLoop *loop,
+ DBusTimeout *timeout,
+ DBusTimeoutFunction function,
+ void *data,
+ DBusFreeFunction free_data_func)
+{
+ TimeoutCallback *tcb;
+
+ tcb = timeout_callback_new (timeout, function, data, free_data_func);
+ if (tcb == NULL)
+ return FALSE;
+
+ if (!add_callback (loop, (Callback*) tcb))
+ {
+ tcb->callback.free_data_func = NULL; /* don't want to have this side effect */
+ callback_unref ((Callback*) tcb);
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+void
+_dbus_loop_remove_timeout (DBusLoop *loop,
+ DBusTimeout *timeout,
+ DBusTimeoutFunction function,
+ void *data)
+{
+ DBusList *link;
+
+ link = _dbus_list_get_first_link (&loop->callbacks);
+ while (link != NULL)
+ {
+ DBusList *next = _dbus_list_get_next_link (&loop->callbacks, link);
+ Callback *this = link->data;
+
+ if (this->type == CALLBACK_TIMEOUT &&
+ TIMEOUT_CALLBACK (this)->timeout == timeout &&
+ this->data == data &&
+ TIMEOUT_CALLBACK (this)->function == function)
+ {
+ remove_callback (loop, link);
+
+ return;
+ }
+
+ link = next;
+ }
+
+ _dbus_warn ("could not find timeout %p function %p data %p to remove\n",
+ timeout, (void *)function, data);
+}
+
+/* Convolutions from GLib, there really must be a better way
+ * to do this.
+ */
+static dbus_bool_t
+check_timeout (unsigned long tv_sec,
+ unsigned long tv_usec,
+ TimeoutCallback *tcb,
+ int *timeout)
+{
+ long sec_remaining;
+ long msec_remaining;
+ unsigned long expiration_tv_sec;
+ unsigned long expiration_tv_usec;
+ long interval_seconds;
+ long interval_milliseconds;
+ int interval;
+
+ /* I'm pretty sure this function could suck (a lot) less */
+
+ interval = dbus_timeout_get_interval (tcb->timeout);
+
+ interval_seconds = interval / 1000L;
+ interval_milliseconds = interval % 1000L;
+
+ expiration_tv_sec = tcb->last_tv_sec + interval_seconds;
+ expiration_tv_usec = tcb->last_tv_usec + interval_milliseconds * 1000;
+ if (expiration_tv_usec >= 1000000)
+ {
+ expiration_tv_usec -= 1000000;
+ expiration_tv_sec += 1;
+ }
+
+ sec_remaining = expiration_tv_sec - tv_sec;
+ /* need to force this to be signed, as it is intended to sometimes
+ * produce a negative result
+ */
+ msec_remaining = ((long) expiration_tv_usec - (long) tv_usec) / 1000L;
+
+#if MAINLOOP_SPEW
+ _dbus_verbose ("Interval is %ld seconds %ld msecs\n",
+ interval_seconds,
+ interval_milliseconds);
+ _dbus_verbose ("Now is %lu seconds %lu usecs\n",
+ tv_sec, tv_usec);
+ _dbus_verbose ("Last is %lu seconds %lu usecs\n",
+ tcb->last_tv_sec, tcb->last_tv_usec);
+ _dbus_verbose ("Exp is %lu seconds %lu usecs\n",
+ expiration_tv_sec, expiration_tv_usec);
+ _dbus_verbose ("Pre-correction, sec_remaining %ld msec_remaining %ld\n",
+ sec_remaining, msec_remaining);
+#endif
+
+ /* We do the following in a rather convoluted fashion to deal with
+ * the fact that we don't have an integral type big enough to hold
+ * the difference of two timevals in milliseconds.
+ */
+ if (sec_remaining < 0 || (sec_remaining == 0 && msec_remaining < 0))
+ {
+ *timeout = 0;
+ }
+ else
+ {
+ if (msec_remaining < 0)
+ {
+ msec_remaining += 1000;
+ sec_remaining -= 1;
+ }
+
+ if (sec_remaining > (_DBUS_INT_MAX / 1000) ||
+ msec_remaining > _DBUS_INT_MAX)
+ *timeout = _DBUS_INT_MAX;
+ else
+ *timeout = sec_remaining * 1000 + msec_remaining;
+ }
+
+ if (*timeout > interval)
+ {
+ /* This indicates that the system clock probably moved backward */
+ _dbus_verbose ("System clock set backward! Resetting timeout.\n");
+
+ tcb->last_tv_sec = tv_sec;
+ tcb->last_tv_usec = tv_usec;
+
+ *timeout = interval;
+ }
+
+#if MAINLOOP_SPEW
+ _dbus_verbose (" timeout expires in %d milliseconds\n", *timeout);
+#endif
+
+ return *timeout == 0;
+}
+
+dbus_bool_t
+_dbus_loop_dispatch (DBusLoop *loop)
+{
+
+#if MAINLOOP_SPEW
+ _dbus_verbose (" %d connections to dispatch\n", _dbus_list_get_length (&loop->need_dispatch));
+#endif
+
+ if (loop->need_dispatch == NULL)
+ return FALSE;
+
+ next:
+ while (loop->need_dispatch != NULL)
+ {
+ DBusConnection *connection = _dbus_list_pop_first (&loop->need_dispatch);
+
+ while (TRUE)
+ {
+ DBusDispatchStatus status;
+
+ status = dbus_connection_dispatch (connection);
+
+ if (status == DBUS_DISPATCH_COMPLETE)
+ {
+ dbus_connection_unref (connection);
+ goto next;
+ }
+ else
+ {
+ if (status == DBUS_DISPATCH_NEED_MEMORY)
+ _dbus_wait_for_memory ();
+ }
+ }
+ }
+
+ return TRUE;
+}
+
+dbus_bool_t
+_dbus_loop_queue_dispatch (DBusLoop *loop,
+ DBusConnection *connection)
+{
+ if (_dbus_list_append (&loop->need_dispatch, connection))
+ {
+ dbus_connection_ref (connection);
+ return TRUE;
+ }
+ else
+ return FALSE;
+}
+
+/* Returns TRUE if we invoked any timeouts or have ready file
+ * descriptors, which is just used in test code as a debug hack
+ */
+
+dbus_bool_t
+_dbus_loop_iterate (DBusLoop *loop,
+ dbus_bool_t block)
+{
+#define N_STACK_DESCRIPTORS 64
+ dbus_bool_t retval;
+ DBusPollFD *fds;
+ DBusPollFD stack_fds[N_STACK_DESCRIPTORS];
+ int n_fds;
+ WatchCallback **watches_for_fds;
+ WatchCallback *stack_watches_for_fds[N_STACK_DESCRIPTORS];
+ int i;
+ DBusList *link;
+ int n_ready;
+ int initial_serial;
+ long timeout;
+ dbus_bool_t oom_watch_pending;
+ int orig_depth;
+
+ retval = FALSE;
+
+ fds = NULL;
+ watches_for_fds = NULL;
+ n_fds = 0;
+ oom_watch_pending = FALSE;
+ orig_depth = loop->depth;
+
+#if MAINLOOP_SPEW
+ _dbus_verbose ("Iteration block=%d depth=%d timeout_count=%d watch_count=%d\n",
+ block, loop->depth, loop->timeout_count, loop->watch_count);
+#endif
+
+ if (loop->callbacks == NULL)
+ goto next_iteration;
+
+ if (loop->watch_count > N_STACK_DESCRIPTORS)
+ {
+ fds = dbus_new0 (DBusPollFD, loop->watch_count);
+
+ while (fds == NULL)
+ {
+ _dbus_wait_for_memory ();
+ fds = dbus_new0 (DBusPollFD, loop->watch_count);
+ }
+
+ watches_for_fds = dbus_new (WatchCallback*, loop->watch_count);
+ while (watches_for_fds == NULL)
+ {
+ _dbus_wait_for_memory ();
+ watches_for_fds = dbus_new (WatchCallback*, loop->watch_count);
+ }
+ }
+ else
+ {
+ fds = stack_fds;
+ watches_for_fds = stack_watches_for_fds;
+ }
+
+ /* fill our array of fds and watches */
+ n_fds = 0;
+ link = _dbus_list_get_first_link (&loop->callbacks);
+ while (link != NULL)
+ {
+ DBusList *next = _dbus_list_get_next_link (&loop->callbacks, link);
+ Callback *cb = link->data;
+ if (cb->type == CALLBACK_WATCH)
+ {
+ unsigned int flags;
+ WatchCallback *wcb = WATCH_CALLBACK (cb);
+
+ if (wcb->last_iteration_oom)
+ {
+ /* we skip this one this time, but reenable it next time,
+ * and have a timeout on this iteration
+ */
+ wcb->last_iteration_oom = FALSE;
+ oom_watch_pending = TRUE;
+
+ retval = TRUE; /* return TRUE here to keep the loop going,
+ * since we don't know the watch is inactive
+ */
+
+#if MAINLOOP_SPEW
+ _dbus_verbose (" skipping watch on fd %d as it was out of memory last time\n",
+ dbus_watch_get_socket (wcb->watch));
+#endif
+ }
+ else if (dbus_watch_get_enabled (wcb->watch))
+ {
+ watches_for_fds[n_fds] = wcb;
+
+ callback_ref (cb);
+
+ flags = dbus_watch_get_flags (wcb->watch);
+
+ fds[n_fds].fd = dbus_watch_get_socket (wcb->watch);
+ fds[n_fds].revents = 0;
+ fds[n_fds].events = 0;
+ if (flags & DBUS_WATCH_READABLE)
+ fds[n_fds].events |= _DBUS_POLLIN;
+ if (flags & DBUS_WATCH_WRITABLE)
+ fds[n_fds].events |= _DBUS_POLLOUT;
+
+#if MAINLOOP_SPEW
+ _dbus_verbose (" polling watch on fd %d %s\n",
+ fds[n_fds].fd, watch_flags_to_string (flags));
+#endif
+
+ n_fds += 1;
+ }
+ else
+ {
+#if MAINLOOP_SPEW
+ _dbus_verbose (" skipping disabled watch on fd %d %s\n",
+ dbus_watch_get_socket (wcb->watch),
+ watch_flags_to_string (dbus_watch_get_flags (wcb->watch)));
+#endif
+ }
+ }
+
+ link = next;
+ }
+
+ timeout = -1;
+ if (loop->timeout_count > 0)
+ {
+ unsigned long tv_sec;
+ unsigned long tv_usec;
+
+ _dbus_get_current_time (&tv_sec, &tv_usec);
+
+ link = _dbus_list_get_first_link (&loop->callbacks);
+ while (link != NULL)
+ {
+ DBusList *next = _dbus_list_get_next_link (&loop->callbacks, link);
+ Callback *cb = link->data;
+
+ if (cb->type == CALLBACK_TIMEOUT &&
+ dbus_timeout_get_enabled (TIMEOUT_CALLBACK (cb)->timeout))
+ {
+ TimeoutCallback *tcb = TIMEOUT_CALLBACK (cb);
+ int msecs_remaining;
+
+ check_timeout (tv_sec, tv_usec, tcb, &msecs_remaining);
+
+ if (timeout < 0)
+ timeout = msecs_remaining;
+ else
+ timeout = MIN (msecs_remaining, timeout);
+
+#if MAINLOOP_SPEW
+ _dbus_verbose (" timeout added, %d remaining, aggregate timeout %ld\n",
+ msecs_remaining, timeout);
+#endif
+
+ _dbus_assert (timeout >= 0);
+
+ if (timeout == 0)
+ break; /* it's not going to get shorter... */
+ }
+#if MAINLOOP_SPEW
+ else if (cb->type == CALLBACK_TIMEOUT)
+ {
+ _dbus_verbose (" skipping disabled timeout\n");
+ }
+#endif
+
+ link = next;
+ }
+ }
+
+ /* Never block if we have stuff to dispatch */
+ if (!block || loop->need_dispatch != NULL)
+ {
+ timeout = 0;
+#if MAINLOOP_SPEW
+ _dbus_verbose (" timeout is 0 as we aren't blocking\n");
+#endif
+ }
+
+ /* if a watch is OOM, don't wait longer than the OOM
+ * wait to re-enable it
+ */
+ if (oom_watch_pending)
+ timeout = MIN (timeout, _dbus_get_oom_wait ());
+
+#if MAINLOOP_SPEW
+ _dbus_verbose (" polling on %d descriptors timeout %ld\n", n_fds, timeout);
+#endif
+
+ n_ready = _dbus_poll (fds, n_fds, timeout);
+
+ initial_serial = loop->callback_list_serial;
+
+ if (loop->timeout_count > 0)
+ {
+ unsigned long tv_sec;
+ unsigned long tv_usec;
+
+ _dbus_get_current_time (&tv_sec, &tv_usec);
+
+ /* It'd be nice to avoid this O(n) thingy here */
+ link = _dbus_list_get_first_link (&loop->callbacks);
+ while (link != NULL)
+ {
+ DBusList *next = _dbus_list_get_next_link (&loop->callbacks, link);
+ Callback *cb = link->data;
+
+ if (initial_serial != loop->callback_list_serial)
+ goto next_iteration;
+
+ if (loop->depth != orig_depth)
+ goto next_iteration;
+
+ if (cb->type == CALLBACK_TIMEOUT &&
+ dbus_timeout_get_enabled (TIMEOUT_CALLBACK (cb)->timeout))
+ {
+ TimeoutCallback *tcb = TIMEOUT_CALLBACK (cb);
+ int msecs_remaining;
+
+ if (check_timeout (tv_sec, tv_usec,
+ tcb, &msecs_remaining))
+ {
+ /* Save last callback time and fire this timeout */
+ tcb->last_tv_sec = tv_sec;
+ tcb->last_tv_usec = tv_usec;
+
+#if MAINLOOP_SPEW
+ _dbus_verbose (" invoking timeout\n");
+#endif
+
+ (* tcb->function) (tcb->timeout,
+ cb->data);
+
+ retval = TRUE;
+ }
+ else
+ {
+#if MAINLOOP_SPEW
+ _dbus_verbose (" timeout has not expired\n");
+#endif
+ }
+ }
+#if MAINLOOP_SPEW
+ else if (cb->type == CALLBACK_TIMEOUT)
+ {
+ _dbus_verbose (" skipping invocation of disabled timeout\n");
+ }
+#endif
+
+ link = next;
+ }
+ }
+
+ if (n_ready > 0)
+ {
+ i = 0;
+ while (i < n_fds)
+ {
+ /* FIXME I think this "restart if we change the watches"
+ * approach could result in starving watches
+ * toward the end of the list.
+ */
+ if (initial_serial != loop->callback_list_serial)
+ goto next_iteration;
+
+ if (loop->depth != orig_depth)
+ goto next_iteration;
+
+ if (fds[i].revents != 0)
+ {
+ WatchCallback *wcb;
+ unsigned int condition;
+
+ wcb = watches_for_fds[i];
+
+ condition = 0;
+ if (fds[i].revents & _DBUS_POLLIN)
+ condition |= DBUS_WATCH_READABLE;
+ if (fds[i].revents & _DBUS_POLLOUT)
+ condition |= DBUS_WATCH_WRITABLE;
+ if (fds[i].revents & _DBUS_POLLHUP)
+ condition |= DBUS_WATCH_HANGUP;
+ if (fds[i].revents & _DBUS_POLLERR)
+ condition |= DBUS_WATCH_ERROR;
+
+ /* condition may still be 0 if we got some
+ * weird POLLFOO thing like POLLWRBAND
+ */
+
+ if (condition != 0 &&
+ dbus_watch_get_enabled (wcb->watch))
+ {
+ if (!(* wcb->function) (wcb->watch,
+ condition,
+ ((Callback*)wcb)->data))
+ wcb->last_iteration_oom = TRUE;
+
+#if MAINLOOP_SPEW
+ _dbus_verbose (" Invoked watch, oom = %d\n",
+ wcb->last_iteration_oom);
+#endif
+
+ retval = TRUE;
+ }
+ }
+
+ ++i;
+ }
+ }
+
+ next_iteration:
+#if MAINLOOP_SPEW
+ _dbus_verbose (" moving to next iteration\n");
+#endif
+
+ if (fds && fds != stack_fds)
+ dbus_free (fds);
+ if (watches_for_fds)
+ {
+ i = 0;
+ while (i < n_fds)
+ {
+ callback_unref (&watches_for_fds[i]->callback);
+ ++i;
+ }
+
+ if (watches_for_fds != stack_watches_for_fds)
+ dbus_free (watches_for_fds);
+ }
+
+ if (_dbus_loop_dispatch (loop))
+ retval = TRUE;
+
+#if MAINLOOP_SPEW
+ _dbus_verbose ("Returning %d\n", retval);
+#endif
+
+ return retval;
+}
+
+void
+_dbus_loop_run (DBusLoop *loop)
+{
+ int our_exit_depth;
+
+ _dbus_assert (loop->depth >= 0);
+
+ _dbus_loop_ref (loop);
+
+ our_exit_depth = loop->depth;
+ loop->depth += 1;
+
+ _dbus_verbose ("Running main loop, depth %d -> %d\n",
+ loop->depth - 1, loop->depth);
+
+ while (loop->depth != our_exit_depth)
+ _dbus_loop_iterate (loop, TRUE);
+
+ _dbus_loop_unref (loop);
+}
+
+void
+_dbus_loop_quit (DBusLoop *loop)
+{
+ _dbus_assert (loop->depth > 0);
+
+ loop->depth -= 1;
+
+ _dbus_verbose ("Quit main loop, depth %d -> %d\n",
+ loop->depth + 1, loop->depth);
+}
+
+int
+_dbus_get_oom_wait (void)
+{
+#ifdef DBUS_BUILD_TESTS
+ /* make tests go fast */
+ return 0;
+#else
+ return 500;
+#endif
+}
+
+void
+_dbus_wait_for_memory (void)
+{
+ _dbus_verbose ("Waiting for more memory\n");
+ _dbus_sleep_milliseconds (_dbus_get_oom_wait ());
+}
+
+#endif /* !DOXYGEN_SHOULD_SKIP_THIS */
projects / monky / blobdiff