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-rw-r--r--usr/src/lib/libc/amd64/Makefile3
-rw-r--r--usr/src/lib/libc/i386/Makefile.com4
-rw-r--r--usr/src/lib/libc/port/mapfile-vers8
-rw-r--r--usr/src/lib/libc/port/sys/epoll.c207
-rw-r--r--usr/src/lib/libc/sparc/Makefile.com4
-rw-r--r--usr/src/lib/libc/sparcv9/Makefile.com4
6 files changed, 221 insertions, 9 deletions
diff --git a/usr/src/lib/libc/amd64/Makefile b/usr/src/lib/libc/amd64/Makefile
index 873c2ded87..cec30a4fbd 100644
--- a/usr/src/lib/libc/amd64/Makefile
+++ b/usr/src/lib/libc/amd64/Makefile
@@ -20,7 +20,7 @@
#
#
# Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
-# Copyright (c) 2012, Joyent, Inc. All rights reserved.
+# Copyright (c) 2014, Joyent, Inc. All rights reserved.
#
# Copyright (c) 2013, OmniTI Computer Consulting, Inc. All rights reserved.
# Copyright 2011 Nexenta Systems, Inc. All rights reserved.
@@ -851,6 +851,7 @@ PORTSYS= \
chmod.o \
chown.o \
corectl.o \
+ epoll.o \
exacctsys.o \
execl.o \
execle.o \
diff --git a/usr/src/lib/libc/i386/Makefile.com b/usr/src/lib/libc/i386/Makefile.com
index d91540d0ae..ddbed44735 100644
--- a/usr/src/lib/libc/i386/Makefile.com
+++ b/usr/src/lib/libc/i386/Makefile.com
@@ -20,9 +20,8 @@
#
#
# Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
-# Copyright (c) 2013, Joyent, Inc. All rights reserved.
+# Copyright (c) 2014, Joyent, Inc. All rights reserved.
# Copyright (c) 2013, OmniTI Computer Consulting, Inc. All rights reserved.
-# Copyright (c) 2012, Joyent, Inc. All rights reserved.
#
# Copyright 2011 Nexenta Systems, Inc. All rights reserved.
# Use is subject to license terms.
@@ -890,6 +889,7 @@ PORTSYS= \
chmod.o \
chown.o \
corectl.o \
+ epoll.o \
exacctsys.o \
execl.o \
execle.o \
diff --git a/usr/src/lib/libc/port/mapfile-vers b/usr/src/lib/libc/port/mapfile-vers
index 86adb85d94..c08f234962 100644
--- a/usr/src/lib/libc/port/mapfile-vers
+++ b/usr/src/lib/libc/port/mapfile-vers
@@ -24,9 +24,8 @@
# Copyright 2010 Nexenta Systems, Inc. All rights reserved.
# Use is subject to license terms.
#
-# Copyright (c) 2012, Joyent, Inc. All rights reserved.
+# Copyright (c) 2014, Joyent, Inc. All rights reserved.
# Copyright (c) 2012 by Delphix. All rights reserved.
-# Copyright (c) 2012, Joyent, Inc. All rights reserved.
# Copyright (c) 2013, OmniTI Computer Consulting, Inc. All rights reserved.
# Copyright (c) 2013 Gary Mills
#
@@ -2721,6 +2720,11 @@ $endif
_dgettext;
_doprnt;
_doscan;
+ epoll_create;
+ epoll_create1;
+ epoll_ctl;
+ epoll_wait;
+ epoll_pwait;
_errfp;
_errxfp;
exportfs;
diff --git a/usr/src/lib/libc/port/sys/epoll.c b/usr/src/lib/libc/port/sys/epoll.c
new file mode 100644
index 0000000000..d90b625293
--- /dev/null
+++ b/usr/src/lib/libc/port/sys/epoll.c
@@ -0,0 +1,207 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source. A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014, Joyent, Inc. All rights reserved.
+ */
+
+#include <sys/types.h>
+#include <sys/epoll.h>
+#include <sys/devpoll.h>
+#include <unistd.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <poll.h>
+
+/*
+ * Events that match their epoll(7) equivalents.
+ */
+#if EPOLLIN != POLLIN
+#error value of EPOLLIN does not match value of POLLIN
+#endif
+
+#if EPOLLPRI != POLLPRI
+#error value of EPOLLPRI does not match value of POLLPRI
+#endif
+
+#if EPOLLOUT != POLLOUT
+#error value of EPOLLOUT does not match value of POLLOUT
+#endif
+
+#if EPOLLRDNORM != POLLRDNORM
+#error value of EPOLLRDNORM does not match value of POLLRDNORM
+#endif
+
+#if EPOLLRDBAND != POLLRDBAND
+#error value of EPOLLRDBAND does not match value of POLLRDBAND
+#endif
+
+#if EPOLLERR != POLLERR
+#error value of EPOLLERR does not match value of POLLERR
+#endif
+
+#if EPOLLHUP != POLLHUP
+#error value of EPOLLHUP does not match value of POLLHUP
+#endif
+
+/*
+ * Events that we ignore entirely. They can be set in events, but they will
+ * never be returned.
+ */
+#define EPOLLIGNORED (EPOLLMSG | EPOLLWAKEUP)
+
+/*
+ * Events that we swizzle into other bit positions.
+ */
+#define EPOLLSWIZZLED \
+ (EPOLLRDHUP | EPOLLONESHOT | EPOLLET | EPOLLWRBAND | EPOLLWRNORM)
+
+int
+epoll_create(int size)
+{
+ int fd;
+
+ /*
+ * From the epoll_create() man page: "Since Linux 2.6.8, the size
+ * argument is ignored, but must be greater than zero." You keep using
+ * that word "ignored"...
+ */
+ if (size <= 0) {
+ errno = EINVAL;
+ return (-1);
+ }
+
+ if ((fd = open("/dev/poll", O_RDWR)) == -1)
+ return (-1);
+
+ if (ioctl(fd, DP_EPOLLCOMPAT, 0) == -1) {
+ (void) close(fd);
+ return (-1);
+ }
+
+ return (fd);
+}
+
+int
+epoll_create1(int flags)
+{
+ int fd, oflags = O_RDWR;
+
+ if (flags & EPOLL_CLOEXEC)
+ oflags |= O_CLOEXEC;
+
+ if ((fd = open("/dev/poll", oflags)) == -1)
+ return (-1);
+
+ if (ioctl(fd, DP_EPOLLCOMPAT, 0) == -1) {
+ (void) close(fd);
+ return (-1);
+ }
+
+ return (fd);
+}
+
+int
+epoll_ctl(int epfd, int op, int fd, struct epoll_event *event)
+{
+ dvpoll_epollfd_t epoll[2];
+ uint32_t events = event->events;
+ uint32_t ev;
+ int i = 0;
+
+ epoll[i].dpep_pollfd.fd = fd;
+
+ switch (op) {
+ case EPOLL_CTL_DEL:
+ ev = POLLREMOVE;
+ break;
+
+ case EPOLL_CTL_MOD:
+ /*
+ * In the modify case, we pass down two events: one to
+ * remove the event and another to add it back.
+ */
+ epoll[i++].dpep_pollfd.events = POLLREMOVE;
+ epoll[i].dpep_pollfd.fd = fd;
+ /* FALLTHROUGH */
+
+ case EPOLL_CTL_ADD:
+ /*
+ * Mask off the events that we ignore, and then swizzle the
+ * events for which our values differ from their epoll(7)
+ * equivalents.
+ */
+ ev = events & ~(EPOLLIGNORED | EPOLLSWIZZLED);
+
+ if (events & EPOLLRDHUP)
+ ev |= POLLRDHUP;
+
+ if (events & EPOLLET)
+ ev |= POLLET;
+
+ if (events & EPOLLONESHOT)
+ ev |= POLLONESHOT;
+
+ if (events & EPOLLWRNORM)
+ ev |= POLLWRNORM;
+
+ if (events & EPOLLWRBAND)
+ ev |= POLLWRBAND;
+
+ epoll[i].dpep_data = event->data.u64;
+ break;
+
+ default:
+ errno = EOPNOTSUPP;
+ return (-1);
+ }
+
+ epoll[i].dpep_pollfd.events = ev;
+
+ return (write(epfd, epoll, sizeof (epoll[0]) * (i + 1)) == -1 ? -1 : 0);
+}
+
+int
+epoll_wait(int epfd, struct epoll_event *events,
+ int maxevents, int timeout)
+{
+ struct dvpoll arg;
+
+ if (maxevents <= 0) {
+ errno = EINVAL;
+ return (-1);
+ }
+
+ arg.dp_nfds = maxevents;
+ arg.dp_timeout = timeout;
+ arg.dp_fds = (pollfd_t *)events;
+
+ return (ioctl(epfd, DP_POLL, &arg));
+}
+
+int
+epoll_pwait(int epfd, struct epoll_event *events,
+ int maxevents, int timeout, const sigset_t *sigmask)
+{
+ struct dvpoll arg;
+
+ if (maxevents <= 0) {
+ errno = EINVAL;
+ return (-1);
+ }
+
+ arg.dp_nfds = maxevents;
+ arg.dp_timeout = timeout;
+ arg.dp_fds = (pollfd_t *)events;
+ arg.dp_setp = (sigset_t *)sigmask;
+
+ return (ioctl(epfd, DP_PPOLL, &arg));
+}
diff --git a/usr/src/lib/libc/sparc/Makefile.com b/usr/src/lib/libc/sparc/Makefile.com
index c8779479d3..34d35699d0 100644
--- a/usr/src/lib/libc/sparc/Makefile.com
+++ b/usr/src/lib/libc/sparc/Makefile.com
@@ -20,9 +20,8 @@
#
#
# Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
-# Copyright (c) 2012, Joyent, Inc. All rights reserved.
# Copyright (c) 2013, OmniTI Computer Consulting, Inc. All rights reserved.
-# Copyright (c) 2012, Joyent, Inc. All rights reserved.
+# Copyright (c) 2014, Joyent, Inc. All rights reserved.
#
# Copyright 2011 Nexenta Systems, Inc. All rights reserved.
# Use is subject to license terms.
@@ -925,6 +924,7 @@ PORTSYS= \
chmod.o \
chown.o \
corectl.o \
+ epoll.o \
exacctsys.o \
execl.o \
execle.o \
diff --git a/usr/src/lib/libc/sparcv9/Makefile.com b/usr/src/lib/libc/sparcv9/Makefile.com
index 7f4a6e4e38..65ac2dedc7 100644
--- a/usr/src/lib/libc/sparcv9/Makefile.com
+++ b/usr/src/lib/libc/sparcv9/Makefile.com
@@ -20,9 +20,8 @@
#
#
# Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
-# Copyright (c) 2012, Joyent, Inc. All rights reserved.
# Copyright (c) 2013, OmniTI Computer Consulting, Inc. All rights reserved.
-# Copyright (c) 2012, Joyent, Inc. All rights reserved.
+# Copyright (c) 2014, Joyent, Inc. All rights reserved.
#
# Copyright 2011 Nexenta Systems, Inc. All rights reserved.
# Use is subject to license terms.
@@ -871,6 +870,7 @@ PORTSYS= \
chmod.o \
chown.o \
corectl.o \
+ epoll.o \
exacctsys.o \
execl.o \
execle.o \
generated by cgit v1.2.3 (git 2.39.1) at 2025-05-15 14:14:49 +0000