diff options
| author | Jacob McDonnell <jacob@jacobmcdonnell.com> | 2026-04-25 19:59:05 -0400 |
|---|---|---|
| committer | Jacob McDonnell <jacob@jacobmcdonnell.com> | 2026-04-25 19:59:05 -0400 |
| commit | 1f19f33e45791ea59aed048796fc68672c6723a5 (patch) | |
| tree | 54625fba89e91d1c2177801ec635e8528bba937f /static/netbsd/man4/clockctl.4 4.html | |
| parent | ac5e55f5f2af5b92794c2aded46c6bae85b5f5ed (diff) | |
docs: Removed Precompiled HTML
Diffstat (limited to 'static/netbsd/man4/clockctl.4 4.html')
| -rw-r--r-- | static/netbsd/man4/clockctl.4 4.html | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/static/netbsd/man4/clockctl.4 4.html b/static/netbsd/man4/clockctl.4 4.html deleted file mode 100644 index f38e5984..00000000 --- a/static/netbsd/man4/clockctl.4 4.html +++ /dev/null @@ -1,100 +0,0 @@ -<table class="head"> - <tr> - <td class="head-ltitle">CLOCKCTL(4)</td> - <td class="head-vol">Device Drivers Manual</td> - <td class="head-rtitle">CLOCKCTL(4)</td> - </tr> -</table> -<div class="manual-text"> -<section class="Sh"> -<h1 class="Sh" id="NAME"><a class="permalink" href="#NAME">NAME</a></h1> -<p class="Pp"><code class="Nm">clockctl</code> — <span class="Nd">Clock - subsystem user control</span></p> -</section> -<section class="Sh"> -<h1 class="Sh" id="SYNOPSIS"><a class="permalink" href="#SYNOPSIS">SYNOPSIS</a></h1> -<p class="Pp"><code class="Cd">pseudo-device clockctl</code></p> -</section> -<section class="Sh"> -<h1 class="Sh" id="DESCRIPTION"><a class="permalink" href="#DESCRIPTION">DESCRIPTION</a></h1> -<p class="Pp">The <code class="Nm">clockctl</code> interface brings clock - control to non-root users. Any user with write access to - <span class="Pa">/dev/clockctl</span> will be able to perform operations - such as <a class="Xr">settimeofday(2)</a>, - <a class="Xr">clock_settime(2)</a>, <a class="Xr">adjtime(2)</a>, or - <a class="Xr">ntp_adjtime(2)</a>, which are normally restricted to the - super-user. Using the <code class="Nm">clockctl</code> pseudo-device, it is - possible to run daemons such as <a class="Xr">ntpd(8)</a> as non-privileged - users, thus reducing the security exposure if a compromise is found in such - a daemon.</p> -<p class="Pp">The <code class="Nm">clockctl</code> pseudo-device driver provides - an <a class="Xr">ioctl(2)</a> call for each privileged clock-related system - call. The system call stubs in C library will use the - <a class="Xr">ioctl(2)</a> on <span class="Pa">/dev/clockctl</span> if the - special file is present and accessible, or will revert to the plain - super-user-restricted system call if the special file is not accessible.</p> -<p class="Pp">The following <a class="Xr">ioctl(2)</a> calls are defined in - <code class="In"><<a class="In">sys/clockctl.h</a>></code>:</p> -<dl class="Bl-tag"> - <dt id="CLOCKCTL_SETTIMEOFDAY"><a class="permalink" href="#CLOCKCTL_SETTIMEOFDAY"><code class="Dv">CLOCKCTL_SETTIMEOFDAY</code></a></dt> - <dd>This will run the <a class="Xr">settimeofday(2)</a> system call. Argument - should be a pointer to a <var class="Va">struct - clockctl_settimeofday</var>: - <div class="Bd Pp Li"> - <pre>struct clockctl_settimeofday { - const struct timeval *tv; - const void *tzp; -};</pre> - </div> - </dd> - <dt id="CLOCKCTL_CLOCK_SETTIME"><a class="permalink" href="#CLOCKCTL_CLOCK_SETTIME"><code class="Dv">CLOCKCTL_CLOCK_SETTIME</code></a></dt> - <dd>This will run the <a class="Xr">clock_settime(2)</a> system call. Argument - should be a pointer to a <var class="Va">struct - clockctl_clock_settime</var>: - <div class="Bd Pp Li"> - <pre>struct clockctl_clock_settime { - clockid_t clock_id; - struct timespec *tp; -};</pre> - </div> - </dd> - <dt id="CLOCKCTL_ADJTIME"><a class="permalink" href="#CLOCKCTL_ADJTIME"><code class="Dv">CLOCKCTL_ADJTIME</code></a></dt> - <dd>This will run the <a class="Xr">adjtime(2)</a> system call. Argument - should be a pointer to a <var class="Va">struct clockctl_adjtime</var>: - <div class="Bd Pp Li"> - <pre>struct clockctl_adjtime { - const struct timeval *delta; - struct timeval *olddelta; -};</pre> - </div> - </dd> - <dt id="CLOCKCTL_NTP_ADJTIME"><a class="permalink" href="#CLOCKCTL_NTP_ADJTIME"><code class="Dv">CLOCKCTL_NTP_ADJTIME</code></a></dt> - <dd>This will run the <a class="Xr">ntp_adjtime(2)</a> system call. Argument - should be a pointer to a <var class="Va">struct - clockctl_ntp_adjtime</var>: - <div class="Bd Pp Li"> - <pre>struct clockctl_ntp_adjtime { - struct timex *tp; -};</pre> - </div> - </dd> -</dl> -</section> -<section class="Sh"> -<h1 class="Sh" id="SEE_ALSO"><a class="permalink" href="#SEE_ALSO">SEE - ALSO</a></h1> -<p class="Pp"><a class="Xr">adjtime(2)</a>, <a class="Xr">clock_settime(2)</a>, - <a class="Xr">ioctl(2)</a>, <a class="Xr">settimeofday(2)</a></p> -</section> -<section class="Sh"> -<h1 class="Sh" id="HISTORY"><a class="permalink" href="#HISTORY">HISTORY</a></h1> -<p class="Pp"><code class="Nm">clockctl</code> appeared in - <span class="Ux">NetBSD 1.6</span>.</p> -</section> -</div> -<table class="foot"> - <tr> - <td class="foot-date">February 19, 2009</td> - <td class="foot-os">NetBSD 10.1</td> - </tr> -</table> |
