/*
- * Copyright 2007 Marc Alexander Lehmann <libev@schmorp.de>
+ * libev solaris event port backend
*
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
+ * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de>
+ * All rights reserved.
*
- * 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.
+ * Redistribution and use in source and binary forms, with or without modifica-
+ * tion, 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
+ * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+ * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
+ * CIAL, 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 OTH-
+ * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
*
- * 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.
+ * Alternatively, the contents of this file may be used under the terms of
+ * the GNU General Public License ("GPL") version 2 or any later version,
+ * in which case the provisions of the GPL are applicable instead of
+ * the above. If you wish to allow the use of your version of this file
+ * only under the terms of the GPL and not to allow others to use your
+ * version of this file under the BSD license, indicate your decision
+ * by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL. If you do not delete the
+ * provisions above, a recipient may use your version of this file under
+ * either the BSD or the GPL.
*/
#include <sys/types.h>
#include <string.h>
#include <errno.h>
-static void
-port_modify (EV_P_ int fd, int oev, int nev)
+void inline_speed
+port_associate_and_check (EV_P_ int fd, int ev)
{
- /* 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 >
+ if (0 >
port_associate (
- port_fd, PORT_SOURCE_FD, fd,
- (nev & EV_READ ? POLLIN : 0)
- | (nev & EV_WRITE ? POLLOUT : 0),
+ backend_fd, PORT_SOURCE_FD, fd,
+ (ev & EV_READ ? POLLIN : 0)
+ | (ev & EV_WRITE ? POLLOUT : 0),
0
)
)
fd_kill (EV_A_ fd);
else
syserr ("(libev) port_associate");
- }
+ }
+}
+
+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 (backend_fd, PORT_SOURCE_FD, fd);
+ }
+ else
+ port_associate_and_check (EV_A_ fd, nev);
}
static void
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);
+ res = port_getn (backend_fd, port_events, port_eventmax, &nget, &ts);
if (res < 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 */
+ port_associate_and_check (EV_A_ fd, anfds [fd].events);
}
}
if (expect_false (nget == port_eventmax))
{
ev_free (port_events);
- port_eventmax = array_roundsize (port_event_t, port_eventmax << 1);
+ port_eventmax = array_nextsize (sizeof (port_event_t), port_eventmax, port_eventmax + 1);
port_events = (port_event_t *)ev_malloc (sizeof (port_event_t) * port_eventmax);
}
}
-static int
+int inline_size
port_init (EV_P_ int flags)
{
/* Initalize the kernel queue */
- if ((port_fd = port_create ()) < 0)
+ if ((backend_fd = port_create ()) < 0)
return 0;
- fcntl (port_fd, F_SETFD, FD_CLOEXEC); /* not sure if necessary, hopefully doesn't hurt */
+ fcntl (backend_fd, F_SETFD, FD_CLOEXEC); /* not sure if necessary, hopefully doesn't hurt */
backend_fudge = 1e-3; /* needed to compensate for port_getn returning early */
backend_modify = port_modify;
return EVBACKEND_PORT;
}
-static void
+void inline_size
port_destroy (EV_P)
{
- close (port_fd);
-
ev_free (port_events);
}
-static void
+void inline_size
port_fork (EV_P)
{
- close (port_fd);
+ close (backend_fd);
- while ((port_fd = port_create ()) < 0)
+ while ((backend_fd = port_create ()) < 0)
syserr ("(libev) port");
- fcntl (port_fd, F_SETFD, FD_CLOEXEC);
+ fcntl (backend_fd, F_SETFD, FD_CLOEXEC);
/* re-register interest in fds */
fd_rearm_all (EV_A);
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