# define EV_USE_KQUEUE 1
# endif
+# if HAVE_PORT_H && HAVE_PORT_H && HAVE_PORT_CREATE && !defined (EV_USE_PORT)
+# define EV_USE_PORT 1
+# endif
+
#endif
#include <math.h>
# define EV_USE_MONOTONIC 1
#endif
+#ifndef EV_USE_REALTIME
+# define EV_USE_REALTIME 1
+#endif
+
#ifndef EV_USE_SELECT
# define EV_USE_SELECT 1
# define EV_SELECT_USE_FD_SET 1
# define EV_USE_KQUEUE 0
#endif
-#ifndef EV_USE_REALTIME
-# define EV_USE_REALTIME 1
+#ifndef EV_USE_PORT
+# define EV_USE_PORT 0
#endif
/**/
/*****************************************************************************/
+#if EV_USE_PORT
+# include "ev_port.c"
+#endif
#if EV_USE_KQUEUE
# include "ev_kqueue.c"
#endif
flags |= 0x0000ffff;
method = 0;
+#if EV_USE_PORT
+ if (!method && (flags & EVMETHOD_PORT )) method = port_init (EV_A_ flags);
+#endif
#if EV_USE_KQUEUE
if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags);
#endif
{
int i;
+#if EV_USE_PORT
+ if (method == EVMETHOD_PORT ) port_destroy (EV_A);
+#endif
#if EV_USE_KQUEUE
if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);
#endif
static void
loop_fork (EV_P)
{
-#if EV_USE_EPOLL
- if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);
+#if EV_USE_PORT
+ if (method == EVMETHOD_PORT ) port_fork (EV_A);
#endif
#if EV_USE_KQUEUE
if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);
#endif
+#if EV_USE_EPOLL
+ if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);
+#endif
if (ev_is_active (&sigev))
{
--- /dev/null
+/*
+ * Copyright 2007 Marc Alexander Lehmann <libev@schmorp.de>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/types.h>
+#include <sys/time.h>
+#include <poll.h>
+#include <port.h>
+#include <string.h>
+#include <errno.h>
+
+static void
+port_modify (EV_P_ int fd, int oev, int nev)
+{
+ /* we need to reassociate no matter what, as closes are
+ * once more silently being discarded.
+ */
+ if (!nev)
+ {
+ if (oev)
+ port_dissociate (port_fd, PORT_SOURCE_FD, fd);
+ }
+ else if (0 >
+ port_associate (
+ port_fd, PORT_SOURCE_FD, fd,
+ (nev & EV_READ ? POLLIN : 0)
+ | (nev & EV_WRITE ? POLLOUT : 0),
+ 0
+ )
+ )
+ {
+ if (errno == EBADFD)
+ fd_kill (EV_A_ fd);
+ else
+ syserr ("(libev) port_associate");
+ }
+}
+
+static void
+port_poll (EV_P_ ev_tstamp timeout)
+{
+ int res, i;
+ struct timespec ts;
+ uint_t nget = 1;
+
+ ts.tv_sec = (time_t)timeout;
+ ts.tv_nsec = (long)(timeout - (ev_tstamp)ts.tv_sec) * 1e9;
+ res = port_getn (port_fd, port_events, port_eventmax, &nget, &ts);
+
+ if (res < 0)
+ {
+ if (errno != EINTR && errno != ETIME)
+ syserr ("(libev) port_getn");
+
+ return;
+ }
+
+ for (i = 0; i < nget; ++i)
+ {
+ if (port_events [i].portev_source == PORT_SOURCE_FD)
+ {
+ int fd = port_events [i].portev_object;
+
+ fd_event (
+ EV_A_
+ fd,
+ (port_events [i].portev_events & (POLLOUT | POLLERR | POLLHUP) ? EV_WRITE : 0)
+ | (port_events [i].portev_events & (POLLIN | POLLERR | POLLHUP) ? EV_READ : 0)
+ );
+
+ anfds [fd].events = 0; /* event received == disassociated */
+ fd_change (EV_A_ fd); /* need to reify later */
+ }
+ }
+
+ if (expect_false (nget == port_eventmax))
+ {
+ ev_free (port_events);
+ port_eventmax = array_roundsize (port_event_t, port_eventmax << 1);
+ port_events = (port_event_t *)ev_malloc (sizeof (port_event_t) * port_eventmax);
+ }
+}
+
+static int
+port_init (EV_P_ int flags)
+{
+ /* Initalize the kernel queue */
+ if ((port_fd = port_create ()) < 0)
+ return 0;
+
+ fcntl (port_fd, F_SETFD, FD_CLOEXEC); /* not sure if necessary, hopefully doesn't hurt */
+
+ method_fudge = 1e-3; /* needed to compensate for port_getn returning early */
+ method_modify = port_modify;
+ method_poll = port_poll;
+
+ port_eventmax = 64; /* intiial number of events receivable per poll */
+ port_events = (port_event_t *)ev_malloc (sizeof (port_event_t) * port_eventmax);
+
+ return EVMETHOD_PORT;
+}
+
+static void
+port_destroy (EV_P)
+{
+ close (port_fd);
+
+ ev_free (port_events);
+}
+
+static void
+port_fork (EV_P)
+{
+ close (port_fd);
+
+ while ((port_fd = port_create ()) < 0)
+ syserr ("(libev) port");
+
+ fcntl (port_fd, F_SETFD, FD_CLOEXEC);
+
+ /* re-register interest in fds */
+ fd_rearm_all (EV_A);
+}
+
-/* DO NOT EDIT, automaticlaly generated by update_ev_wrap */
+/* DO NOT EDIT, automatically generated by update_ev_wrap */
#define now_floor ((loop)->now_floor)
#define mn_now ((loop)->mn_now)
#define rtmn_diff ((loop)->rtmn_diff)
#define kqueue_changecnt ((loop)->kqueue_changecnt)
#define kqueue_events ((loop)->kqueue_events)
#define kqueue_eventmax ((loop)->kqueue_eventmax)
+#define port_fd ((loop)->port_fd)
+#define port_events ((loop)->port_events)
+#define port_eventmax ((loop)->port_eventmax)
#define anfds ((loop)->anfds)
#define anfdmax ((loop)->anfdmax)
#define pendings ((loop)->pendings)
projects / software / libev.git / commitdiff