From b880006955e72d1233254c3a7147cd540e89c379 Mon Sep 17 00:00:00 2001 From: deraadt Date: Sat, 16 Dec 1995 15:06:57 +0000 Subject: [PATCH] update from netbsd --- share/man/man9/Makefile | 10 ++ share/man/man9/boot.9 | 105 ++++++++++++++++++++ share/man/man9/doshutdownhooks.9 | 57 +++++++++++ share/man/man9/inittodr.9 | 103 ++++++++++++++++++++ share/man/man9/resettodr.9 | 57 +++++++++++ share/man/man9/shutdownhook_establish.9 | 90 +++++++++++++++++ share/man/man9/time.9 | 122 ++++++++++++++++++++++++ 7 files changed, 544 insertions(+) create mode 100644 share/man/man9/Makefile create mode 100644 share/man/man9/boot.9 create mode 100644 share/man/man9/doshutdownhooks.9 create mode 100644 share/man/man9/inittodr.9 create mode 100644 share/man/man9/resettodr.9 create mode 100644 share/man/man9/shutdownhook_establish.9 create mode 100644 share/man/man9/time.9 diff --git a/share/man/man9/Makefile b/share/man/man9/Makefile new file mode 100644 index 00000000000..046e1360911 --- /dev/null +++ b/share/man/man9/Makefile @@ -0,0 +1,10 @@ +# $NetBSD: Makefile,v 1.1 1995/11/25 21:24:47 perry Exp $ + +# Makefile for section 9 (kernel function and variable) manual pages. + +MAN= boot.9 doshutdownhooks.9 inittodr.9 resettodr.9 \ + shutdownhook_establish.9 time.9 +MLINKS+=shutdownhook_establish.9 shutdownhook_disestablish.9 +MLINKS+=time.9 boottime.9 time.9 mono_time.9 time.9 runtime.9 + +.include diff --git a/share/man/man9/boot.9 b/share/man/man9/boot.9 new file mode 100644 index 00000000000..802c01e587d --- /dev/null +++ b/share/man/man9/boot.9 @@ -0,0 +1,105 @@ +.\" $NetBSD: boot.9,v 1.1 1995/11/25 21:24:48 perry Exp $ +.\" +.\" Copyright (c) 1994 Christopher G. Demetriou +.\" 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. +.\" 3. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgement: +.\" This product includes software developed by Christopher G. Demetriou +.\" for the NetBSD Project. +.\" 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. +.\" +.Dd November 13, 1995 +.Dt BOOT 9 +.Os NetBSD +.Sh NAME +.Nm boot +.Nd halt or reboot the system +.Sh SYNOPSIS +.Fd #include +.Ft void +.Fn boot "int howto" +.Sh DESCRIPTION +The +.Fn boot +function handles final system shutdown, and either halts or reboots +the system. The exact action to be taken is determined by the +flags passed in +.Fa howto +and by whether or not the system has finished autoconfiguration. +.Pp +If the system has finished autoconfiguration, +.Fn boot +does the following: +.Bl -enum -offset indent +.It +Sets the +.Va boothowto +system variable from the +.Fa howto +argument. +.It +If this is the first invocation of +.Fn boot +and the +.Dv RB_NOSYNC +flag is not set in +.Fa howto , +syncs and unmounts the system disks by calling +.Xr vfs_shutdown 9 +and sets the time of day clock by calling +.Xr resettodr 9 . +.It +Disables interrupts. +.It +If rebooting after a crash (i.e. if +.Dv RB_DUMP +is set in +.Fa howto , +but +.Dv RB_HALT +is not), saves a system crash dump. +.It +Runs any shutdown hooks by calling +.Xr doshutdownhooks 9 . +.It +Prints a message indicating that the system is about to be halted +or rebooted. +.It +If +.Dv RB_HALT +is set in +.Fa howto , +halts the system. +Otherwise, reboots the system. +.El +.Pp +If the system has not finished autoconfiguration, +.Fn boot +runs any shutdown hooks by calling +.Xr doshutdownhooks 9 , +prints a message, and halts the system. +.Sh SEE ALSO +.Xr doshutdownhooks 9 , +.Xr resettodr 9 , +.Xr vfs_shutdown 9 diff --git a/share/man/man9/doshutdownhooks.9 b/share/man/man9/doshutdownhooks.9 new file mode 100644 index 00000000000..1f154c046b7 --- /dev/null +++ b/share/man/man9/doshutdownhooks.9 @@ -0,0 +1,57 @@ +.\" $NetBSD: doshutdownhooks.9,v 1.1 1995/11/25 21:24:49 perry Exp $ +.\" +.\" Copyright (c) 1994 Christopher G. Demetriou +.\" 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. +.\" 3. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgement: +.\" This product includes software developed by Christopher G. Demetriou +.\" for the NetBSD Project. +.\" 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. +.\" +.Dd November 13, 1995 +.Dt DOSHUTDOWNHOOKS 9 +.Os NetBSD +.Sh NAME +.Nm doshutdownhooks +.Nd run all shutdown hooks +.Sh SYNOPSIS +.Ft void +.Fn doshutdownhooks "void" +.Sh DESCRIPTION +The +.Fn doshutdownhooks +function invokes all shutdown hooks established using the +.Xr shutdownhook_establish 9 +function. Shutdown hooks are called in reverse order, i.e. +the shutdown hook established last will be called first. +.Pp +This function is called from +.Xr boot 9 +with interrupts turned off. +It is called immediately before the system is halted or rebooted, +after file systems have been unmounted, after the clock has been updated, +and after a system dump has been done (if necessary). +.Sh SEE ALSO +.Xr boot 9 , +.Xr shutdownhook_establish 9 diff --git a/share/man/man9/inittodr.9 b/share/man/man9/inittodr.9 new file mode 100644 index 00000000000..403fc2bcaac --- /dev/null +++ b/share/man/man9/inittodr.9 @@ -0,0 +1,103 @@ +.\" $NetBSD: inittodr.9,v 1.1 1995/11/25 21:24:50 perry Exp $ +.\" +.\" Copyright (c) 1994 Christopher G. Demetriou +.\" 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. +.\" 3. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgement: +.\" This product includes software developed by Christopher G. Demetriou +.\" for the NetBSD Project. +.\" 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. +.\" +.Dd November 13, 1995 +.Dt INITTODR 9 +.Os NetBSD +.Sh NAME +.Nm inittodr +.Nd initialize system time +.Sh SYNOPSIS +.Ft void +.Fn inittodr "time_t base" +.Sh DESCRIPTION +The +.Fn inittodr +function determines the time and sets the system clock. +It tries to pick the correct time using a set of heuristics that examine +the system's battery backed clock and the time reported by the file +system, as given in +.Fa base . +Those heuristics include: +.Bl -bullet +.It +If the battery-backed clock has a valid time, it is used. +.It +If the battery-backed clock does not have a valid time, and the +the time provided in +.Fa base +is within reason, +.Fa base +is used as the current time. +.It +If the battery-backed clock appears invalid, and +.Fa base +appears non-sensical or was not provided (was given as zero), +a arbitrary base (typically some time in the late 1970s) +will be used. +.El +.Pp +Once a system time has been determined, it is stored in the +.Va time +variable. +.Sh DIAGNOSTICS +The +.Fn inittodr +function prints diagnostic messages if it has trouble figuring +out the system time. Conditions that can cause diagnostic +messages to be printed include: +.Bl -bullet +.It +The battery-backed clock's time appears nonsensical. +.It +The +.Fa base +time appears nonsensical. +.It +The +.Fa base +time and the battery-backed clock's time differ by a large amount. +.El +.Sh SEE ALSO +.Xr resettodr 9 , +.Xr time 9 +.Sh BUGS +On many systems, +.Fn inittodr +has to convert from +a time expressed in terms of year, month, day, hours, minutes, +and seconds to +.Va time , +expressed in seconds. Many of the implementations could share code, +but do not. +.Pp +Each system's heuristics for picking the correct time are slightly +different. diff --git a/share/man/man9/resettodr.9 b/share/man/man9/resettodr.9 new file mode 100644 index 00000000000..f2683903c2f --- /dev/null +++ b/share/man/man9/resettodr.9 @@ -0,0 +1,57 @@ +.\" $NetBSD: resettodr.9,v 1.1 1995/11/25 21:24:51 perry Exp $ +.\" +.\" Copyright (c) 1994 Christopher G. Demetriou +.\" 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. +.\" 3. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgement: +.\" This product includes software developed by Christopher G. Demetriou +.\" for the NetBSD Project. +.\" 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. +.\" +.Dd November 13, 1995 +.Dt RESETTODR 9 +.Os NetBSD +.Sh NAME +.Nm resettodr +.Nd set battery-backed clock from system time +.Sh SYNOPSIS +.Ft void +.Fn resettodr "void" +.Sh DESCRIPTION +The +.Fn resettodr +function sets the system's battery backed clock based on the contents +of the system +.Va time +variable. +.Sh SEE ALSO +.Xr inittodr 9 , +.Xr time 9 +.Sh BUGS +On many systems, +.Fn resettodr +has to convert from +.Va time +to a time expressed in terms of year, month, day, hours, minutes, +and seconds. Many of the implementations could share code, but do not. diff --git a/share/man/man9/shutdownhook_establish.9 b/share/man/man9/shutdownhook_establish.9 new file mode 100644 index 00000000000..52bacdafd76 --- /dev/null +++ b/share/man/man9/shutdownhook_establish.9 @@ -0,0 +1,90 @@ +.\" $NetBSD: shutdownhook_establish.9,v 1.1 1995/11/25 21:24:52 perry Exp $ +.\" +.\" Copyright (c) 1994 Christopher G. Demetriou +.\" 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. +.\" 3. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgement: +.\" This product includes software developed by Christopher G. Demetriou +.\" for the NetBSD Project. +.\" 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. +.\" +.Dd November 13, 1995 +.Dt SHUTDOWNHOOK_ESTABLISH 9 +.Os NetBSD +.Sh NAME +.Nm shutdownhook_establish , +.Nm shutdownhook_disestablish +.Nd add or remove a shutdown hook +.Sh SYNOPSIS +.Ft void * +.Fn shutdownhook_establish "void (*fn)(void *)" "void *arg" +.Ft void +.Fn shutdownhook_disestablish "void *cookie" +.Sh DESCRIPTION +The +.Fn shutdownhook_establish +function adds +.Fa fn +to the list of hooks invoked by +.Xr doshutdownhooks 9 +at shutdown. When invoked, the hook function +.Fa fn +will be passed +.Fa arg +as its only argument. +.Pp +The +.Fn shutdownhook_disestablish +function removes the hook described by the opaque pointer +.Fa cookie +from the list of hooks to be invoked at shutdown. If +.Fa cookie +is invalid, the result of +.Fn shutdownhook_disestablish +is undefined. +.Pp +Shutdown hooks should be used to perform one-time activities +that must happen immediately before the kernel exits. Because +of the environment in which they are run, shutdown hooks cannot +rely on many system services (including file systems, and timeouts +and other interrupt-driven services), or even basic system +integrity (because the system could be rebooting after a crash). +.Sh RETURN VALUES +If successful, +.Fn shutdownhook_establish +returns an opaque pointer describing the newly-established +shutdown hook. Otherwise, it returns NULL. +.Sh EXAMPLES +It may be appropriate to use a shutdown hook to +disable a device that does direct memory access, so that +the device will not try to access memory while the system +is rebooting. +.Pp +It may be appropriate to use a shutdown hook to +inform watchdog timer hardware that the operating system +is no longer running. +.Sh SEE ALSO +.Xr doshutdownhooks 9 +.Sh BUGS +The names are clumsy, at best. diff --git a/share/man/man9/time.9 b/share/man/man9/time.9 new file mode 100644 index 00000000000..a31bcda6f0a --- /dev/null +++ b/share/man/man9/time.9 @@ -0,0 +1,122 @@ +.\" $NetBSD: time.9,v 1.1 1995/11/25 21:24:53 perry Exp $ +.\" +.\" Copyright (c) 1994 Christopher G. Demetriou +.\" 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. +.\" 3. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgement: +.\" This product includes software developed by Christopher G. Demetriou +.\" for the NetBSD Project. +.\" 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. +.\" +.Dd November 13, 1995 +.Dt TIME 9 +.Os NetBSD +.Sh NAME +.Nm boottime , +.Nm mono_time , +.Nm runtime , +.Nm time +.Nd system time variables +.Sh SYNOPSIS +.Va extern struct timeval boottime; +.br +.Va extern volatile struct timeval mono_time; +.br +.Va extern struct timeval runtime; +.br +.Va extern volatile struct timeval time; +.Sh DESCRIPTION +The +.Va time +variable is the system's +.Dq wall time +clock. +It is set at boot by +.Xr inittodr 9 , +and is updated by the +.Xr settimeofday 2 +system call and by periodic clock interrupts. +.Pp +The +.Va boottime +variable holds the system boot time. It is set from +.Va time +at system boot, and is updated when the system time is adjusted +with +.Xr settimeofday 2 . +.Pp +The +.Va runtime +variable holds the time that the system switched to the +current process. +It is set after each context switch, +and is updated when the system time is adjusted with +.Xr settimeofday 2 . +Because +.Va runtime +is used for system accounting, it is set with the high-resolution +.Xr microtime 9 +function, rather than being copied from +.Va time . +.Pp +The +.Va mono_time +variable is a monotonically increasing system clock. It is set +from +.Va time +at boot, and is updated by the periodic timer interrupt. (It is +not updated by +.Xr settimeofday 2 .) +.Pp +All of these variables contain times +expressed in seconds and microseconds since midnight (0 hour), +January 1, 1970. +.Pp +Clock interrupts should be blocked +when reading or writing +.Va time +or +.Va mono_time , +because those variables are updated by +.Fn hardclock . +.Va Boottime +and +.Va runtime +may be read and written without special precautions. +.Sh SEE ALSO +.Xr hz 9 , +.Xr hardclock 9 , +.Xr inittodr 9 , +.Xr microtime 9 , +.Xr settimeofday 2 +.Sh BUGS +.Va Runtime +should not be updated when the system time is +changed with +.Xr settimeofday , +because it is used for resource accounting. +.Pp +The notion of having a single +.Va runtime +variable obviously won't be appropriate in multiprocessor systems. -- 2.20.1