OpenSolaris Launch

1 files changed, 142 insertions, 0 deletions

diff --git a/usr/src/uts/common/sys/timer.h b/usr/src/uts/common/sys/timer.h
new file mode 100644
index 0000000000..030f09e58b
--- /dev/null
+++ b/usr/src/uts/common/sys/timer.h
@@ -0,0 +1,142 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef	_SYS_TIMER_H
+#define	_SYS_TIMER_H
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#include <sys/types.h>
+#include <sys/proc.h>
+#include <sys/thread.h>
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+#ifdef	_KERNEL
+
+#define	_TIMER_MAX 32
+
+/*
+ * Bit values for the it_lock field.
+ */
+#define	ITLK_LOCKED		0x01
+#define	ITLK_WANTED		0x02
+#define	ITLK_REMOVE		0x04
+
+/*
+ * Bit values for the it_flags field.
+ */
+#define	IT_SIGNAL		0x01
+#define	IT_PORT			0x02	/* use event port notification */
+
+struct clock_backend;
+
+typedef struct itimer {
+	itimerspec_t	it_itime;
+	hrtime_t	it_hrtime;
+	ushort_t	it_flags;
+	ushort_t	it_lock;
+	void		*it_arg;
+	sigqueue_t	*it_sigq;
+	klwp_t		*it_lwp;
+	struct proc	*it_proc;
+	kcondvar_t	it_cv;
+	int		it_blockers;
+	int		it_pending;
+	int		it_overrun;
+	struct clock_backend *it_backend;
+	kmutex_t	it_mutex;
+	void		*it_portev;	/* port_kevent_t pointer */
+	void		*it_portsrc;	/* port_source_t pointer */
+	int		it_portfd;	/* port file descriptor */
+} itimer_t;
+
+typedef struct clock_backend {
+	struct sigevent clk_default;
+	int (*clk_clock_settime)(timespec_t *);
+	int (*clk_clock_gettime)(timespec_t *);
+	int (*clk_clock_getres)(timespec_t *);
+	int (*clk_timer_create)(itimer_t *, struct sigevent *);
+	int (*clk_timer_settime)(itimer_t *, int, const struct itimerspec *);
+	int (*clk_timer_gettime)(itimer_t *, struct itimerspec *);
+	int (*clk_timer_delete)(itimer_t *);
+	void (*clk_timer_lwpbind)(itimer_t *);
+} clock_backend_t;
+
+extern void clock_add_backend(clockid_t clock, clock_backend_t *backend);
+
+extern void timer_fire(itimer_t *);
+extern void timer_lwpbind();
+
+extern	void	timer_func(sigqueue_t *);
+extern	void	timer_exit(void);
+extern	void	timer_lwpexit(void);
+extern	clock_t	hzto(struct timeval *);
+extern	clock_t	timespectohz(timespec_t *, timespec_t);
+extern	clock_t	timespectohz_adj(timespec_t *, timespec_t);
+extern	int	itimerspecfix(timespec_t *);
+extern	void	timespecadd(timespec_t *, timespec_t *);
+extern	void	timespecsub(timespec_t *, timespec_t *);
+extern	void	timespecfix(timespec_t *);
+extern	int	xgetitimer(uint_t, struct itimerval *, int);
+extern	int	xsetitimer(uint_t, struct itimerval *, int);
+
+#define	timerspecisset(tvp)		((tvp)->tv_sec || (tvp)->tv_nsec)
+#define	timerspeccmp(tvp, uvp)		(((tvp)->tv_sec - (uvp)->tv_sec) ? \
+	((tvp)->tv_sec - (uvp)->tv_sec):((tvp)->tv_nsec - (uvp)->tv_nsec))
+#define	timerspecclear(tvp)		((tvp)->tv_sec = (tvp)->tv_nsec = 0)
+
+struct oldsigevent {
+	/* structure definition prior to notification attributes member */
+	int		_notify;
+	union {
+		int		_signo;
+		void		(*_notify_function)(union sigval);
+	} _un;
+	union sigval	_value;
+};
+
+#if defined(_SYSCALL32)
+
+struct oldsigevent32 {
+	int32_t		_notify;
+	union {
+		int32_t		_signo;
+		caddr32_t	_notify_function;
+	} _un;
+	union sigval32	_value;
+};
+
+#endif	/* _SYSCALL32 */
+#endif	/* _KERNEL */
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _SYS_TIMER_H */