* kevent(2) support; from FreeBSD.

* change _thread_kern_set_timeout() parm to const.

4 files changed, 92 insertions, 8 deletions

diff --git a/lib/libc_r/sys/Makefile.inc b/lib/libc_r/sys/Makefile.inc
index 85598b38d38..1348feea96f 100644
--- a/lib/libc_r/sys/Makefile.inc
+++ b/lib/libc_r/sys/Makefile.inc
@@ -1,5 +1,5 @@
-#	$Id: Makefile.inc,v 1.6 2000/10/04 05:55:35 d Exp $
-#	$OpenBSD: Makefile.inc,v 1.6 2000/10/04 05:55:35 d Exp $
+#	$Id: Makefile.inc,v 1.7 2001/08/15 23:50:34 fgsch Exp $
+#	$OpenBSD: Makefile.inc,v 1.7 2001/08/15 23:50:34 fgsch Exp $
 
 .PATH:	 ${LIBC_RSRCDIR}/sys ${LIBC_RSRCDIR}/arch/${MACHINE_ARCH}
 
@@ -23,9 +23,9 @@ SRCS+=	uthread_machdep.c
 HIDDEN_SYSCALLS= accept.o bind.o close.o connect.o dup.o dup2.o \
 	execve.o fchflags.o fchmod.o fchown.o fcntl.o \
 	flock.o fpathconf.o fstat.o fstatfs.o fsync.o getdirentries.o \
-	getlogin.o getpeername.o getsockname.o getsockopt.o ioctl.o listen.o \
-	msync.o nanosleep.o open.o pipe.o poll.o read.o readv.o recvfrom.o \
-	recvmsg.o sched_yield.o select.o sendmsg.o sendto.o \
+	getlogin.o getpeername.o getsockname.o getsockopt.o ioctl.o kevent.o \
+	listen.o msync.o nanosleep.o open.o pipe.o poll.o read.o readv.o \
+	recvfrom.o recvmsg.o sched_yield.o select.o sendmsg.o sendto.o \
 	setsockopt.o shutdown.o sigaction.o sigaltstack.o \
 	sigprocmask.o sigsuspend.o \
 	socket.o socketpair.o wait4.o write.o writev.o \
diff --git a/lib/libc_r/uthread/Makefile.inc b/lib/libc_r/uthread/Makefile.inc
index 37dbff5e5a8..110ec8e65e0 100644
--- a/lib/libc_r/uthread/Makefile.inc
+++ b/lib/libc_r/uthread/Makefile.inc
@@ -1,4 +1,4 @@
-# $OpenBSD: Makefile.inc,v 1.10 2000/01/06 07:12:08 d Exp $
+# $OpenBSD: Makefile.inc,v 1.11 2001/08/15 23:50:34 fgsch Exp $
 # $FreeBSD: Makefile.inc,v 1.19 1999/08/28 00:03:19 peter Exp $
 
 # uthread sources
@@ -66,6 +66,7 @@ SRCS+= \
 	uthread_ioctl.c \
 	uthread_join.c \
 	uthread_kern.c \
+	uthread_kevent.c \
 	uthread_kill.c \
 	uthread_listen.c \
 	uthread_mattr_init.c \
diff --git a/lib/libc_r/uthread/pthread_private.h b/lib/libc_r/uthread/pthread_private.h
index 79417040938..cff1cba3e90 100644
--- a/lib/libc_r/uthread/pthread_private.h
+++ b/lib/libc_r/uthread/pthread_private.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: pthread_private.h,v 1.21 2000/12/06 17:18:47 deraadt Exp $	*/
+/*	$OpenBSD: pthread_private.h,v 1.22 2001/08/15 23:50:34 fgsch Exp $	*/
 /*
  * Copyright (c) 1995-1998 John Birrell <jb@cimlogic.com.au>.
  * All rights reserved.
@@ -832,7 +832,7 @@ void    _thread_kern_sched(struct sigcontext *);
 void    _thread_kern_sched_state(enum pthread_state,const char *fname,int lineno);
 void	_thread_kern_sched_state_unlock(enum pthread_state state,
 	    spinlock_t *lock, char *fname, int lineno);
-void    _thread_kern_set_timeout(struct timespec *);
+void    _thread_kern_set_timeout(const struct timespec *);
 void    _thread_kern_sig_defer(void);
 void    _thread_kern_sig_undefer(void);
 void    _thread_sig_handler(int, int, struct sigcontext *);
@@ -1036,6 +1036,12 @@ pid_t   _thread_sys_wait4(pid_t, int *, int, struct rusage *);
 int 	_thread_sys_poll(struct pollfd *, unsigned, int);
 #endif
 
+/* #include <sys/event.h> */
+#ifdef _SYS_EVENT_H_
+int     _thread_sys_kevent(int, const struct kevent *, int, struct kevent *,
+	int, const struct timespec *);
+#endif
+
 /* #include <sys/mman.h> */
 int	_thread_sys_msync(void *, size_t, int);
 
diff --git a/lib/libc_r/uthread/uthread_kevent.c b/lib/libc_r/uthread/uthread_kevent.c
new file mode 100644
index 00000000000..0985d05d38a
--- /dev/null
+++ b/lib/libc_r/uthread/uthread_kevent.c
@@ -0,0 +1,77 @@
+/*	$OpenBSD: uthread_kevent.c,v 1.1 2001/08/15 23:50:34 fgsch Exp $	*/
+/*-
+ * Copyright (c) 2000 Jonathan Lemon <jlemon@flugsvamp.com>
+ * All rights reserved.
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
+ *
+ * $FreeBSD: uthread_kevent.c,v 1.5 2001/04/10 04:19:20 deischen Exp $
+ */
+
+#include <unistd.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/event.h>
+#ifdef _THREAD_SAFE
+#include <pthread.h>
+#include "pthread_private.h"
+
+int 
+kevent(int kq, const struct kevent *changelist, int nchanges,
+    struct kevent *eventlist, int nevents, const struct timespec *timeout)
+{
+	struct timespec nullts = { 0, 0 };
+	int rc;
+
+	/* Set the wake up time */
+	_thread_kern_set_timeout(timeout);
+
+	rc = _thread_sys_kevent(kq, changelist, nchanges,
+	    eventlist, nevents, &nullts);
+	if (rc == 0 && (timeout == NULL ||
+	    timeout->tv_sec != 0 || timeout->tv_nsec != 0)) {
+		/* Save the socket file descriptor: */
+		_thread_run->data.fd.fd = kq;
+		_thread_run->data.fd.fname = __FILE__;
+		_thread_run->data.fd.branch = __LINE__;
+
+		do {
+			/* Reset the interrupted and timeout flags: */
+			_thread_run->interrupted = 0;
+			_thread_run->timeout = 0;
+
+			_thread_kern_sched_state(PS_FDR_WAIT,
+			    __FILE__, __LINE__);
+
+			if (_thread_run->interrupted) {
+				errno = EINTR;
+				rc = -1;
+				break;
+			}
+			rc = _thread_sys_kevent(kq, NULL, 0,
+			    eventlist, nevents, &nullts);
+		} while (rc == 0 && _thread_run->timeout == 0);
+	}
+	return (rc);
+}
+#endif