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| author | Jacob McDonnell <jacob@jacobmcdonnell.com> | 2026-04-25 19:55:43 -0400 |
|---|---|---|
| committer | Jacob McDonnell <jacob@jacobmcdonnell.com> | 2026-04-25 19:55:43 -0400 |
| commit | ac5e55f5f2af5b92794c2aded46c6bae85b5f5ed (patch) | |
| tree | 9367490586c84cba28652e443e3166d66c33b0d9 /static/freebsd/man9/vm_map_check_protection.9 4.html | |
| parent | 253e67c8b3a72b3a4757fdbc5845297628db0a4a (diff) | |
docs: Added All FreeBSD Manuals
Diffstat (limited to 'static/freebsd/man9/vm_map_check_protection.9 4.html')
| -rw-r--r-- | static/freebsd/man9/vm_map_check_protection.9 4.html | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/static/freebsd/man9/vm_map_check_protection.9 4.html b/static/freebsd/man9/vm_map_check_protection.9 4.html new file mode 100644 index 00000000..bce222b6 --- /dev/null +++ b/static/freebsd/man9/vm_map_check_protection.9 4.html @@ -0,0 +1,70 @@ +<table class="head"> + <tr> + <td class="head-ltitle">VM_MAP_CHECK_PROTECTION(9)</td> + <td class="head-vol">Kernel Developer's Manual</td> + <td class="head-rtitle">VM_MAP_CHECK_PROTECTION(9)</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">vm_map_check_protection</code> — + <span class="Nd">check memory protection for a vm_map</span></p> +</section> +<section class="Sh"> +<h1 class="Sh" id="SYNOPSIS"><a class="permalink" href="#SYNOPSIS">SYNOPSIS</a></h1> +<p class="Pp"><code class="In">#include + <<a class="In">sys/param.h</a>></code> + <br/> + <code class="In">#include <<a class="In">vm/vm.h</a>></code> + <br/> + <code class="In">#include <<a class="In">vm/vm_map.h</a>></code></p> +<p class="Pp"><var class="Ft">boolean_t</var> + <br/> + <code class="Fn">vm_map_check_protection</code>(<var class="Fa">vm_map_t + map</var>, <var class="Fa">vm_offset_t start</var>, + <var class="Fa">vm_offset_t end</var>, <var class="Fa">vm_prot_t + protection</var>);</p> +</section> +<section class="Sh"> +<h1 class="Sh" id="DESCRIPTION"><a class="permalink" href="#DESCRIPTION">DESCRIPTION</a></h1> +<p class="Pp">The + <a class="permalink" href="#vm_map_check_protection"><code class="Fn" id="vm_map_check_protection">vm_map_check_protection</code></a>() + function asserts that the target <var class="Fa">map</var> allows the + specified privilege <var class="Fa">protection</var> over the entire address + range from <var class="Fa">start</var> to <var class="Fa">end</var>. The + region MUST be contiguous; no holes are allowed.</p> +</section> +<section class="Sh"> +<h1 class="Sh" id="IMPLEMENTATION_NOTES"><a class="permalink" href="#IMPLEMENTATION_NOTES">IMPLEMENTATION + NOTES</a></h1> +<p class="Pp">This code does not and SHOULD not check whether the contents of + the region are accessible. For example, a small file may be mapped into an + address space which is significantly larger in size.</p> +</section> +<section class="Sh"> +<h1 class="Sh" id="RETURN_VALUES"><a class="permalink" href="#RETURN_VALUES">RETURN + VALUES</a></h1> +<p class="Pp">The <code class="Fn">vm_map_check_protection</code>() function + returns TRUE if the privilege is allowed; if it is not allowed, or if any + other error occurred, the value FALSE is returned.</p> +</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">munmap(2)</a>, <a class="Xr">vm_map(9)</a>, + <a class="Xr">vm_map_protect(9)</a></p> +</section> +<section class="Sh"> +<h1 class="Sh" id="AUTHORS"><a class="permalink" href="#AUTHORS">AUTHORS</a></h1> +<p class="Pp">This manual page was written by <span class="An">Bruce M + Simpson</span> + <<a class="Mt" href="mailto:bms@spc.org">bms@spc.org</a>>.</p> +</section> +</div> +<table class="foot"> + <tr> + <td class="foot-date">July 19, 2003</td> + <td class="foot-os">FreeBSD 15.0</td> + </tr> +</table> |
