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	<id>https://wiki.linux.se/index.php?action=history&amp;feed=atom&amp;title=open%282%29</id>
	<title>open(2) - Versionshistorik</title>
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	<updated>2026-04-24T11:02:02Z</updated>
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		<id>https://wiki.linux.se/index.php?title=open(2)&amp;diff=6211&amp;oldid=prev</id>
		<title>Admin: /* SE OCKSÅ */</title>
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		<updated>2024-11-23T07:56:54Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;SE OCKSÅ&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;sv&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Äldre version&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Versionen från 23 november 2024 kl. 07.56&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l347&quot;&gt;Rad 347:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Rad 347:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* När både `O_CREAT` och `O_DIRECTORY` specificeras i &amp;#039;&amp;#039;&amp;#039;flags&amp;#039;&amp;#039;&amp;#039; och filen specificerad av &amp;#039;&amp;#039;&amp;#039;pathname&amp;#039;&amp;#039;&amp;#039; inte existerar, kommer `open()` att skapa en vanlig fil (dvs. `O_DIRECTORY` ignoreras).&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* När både `O_CREAT` och `O_DIRECTORY` specificeras i &amp;#039;&amp;#039;&amp;#039;flags&amp;#039;&amp;#039;&amp;#039; och filen specificerad av &amp;#039;&amp;#039;&amp;#039;pathname&amp;#039;&amp;#039;&amp;#039; inte existerar, kommer `open()` att skapa en vanlig fil (dvs. `O_DIRECTORY` ignoreras).&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;SE OCKSÅ &lt;/del&gt;==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Se också &lt;/ins&gt;==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;`&lt;/del&gt;chmod(2)&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;`, `&lt;/del&gt;chown(2)&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;`, `&lt;/del&gt;close(2)&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;`, `&lt;/del&gt;dup(2)&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;`, `&lt;/del&gt;fcntl(2)&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;`, `&lt;/del&gt;link(2)&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;`, `&lt;/del&gt;lseek(2)&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;`, `&lt;/del&gt;mknod(2)&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;`, `&lt;/del&gt;mmap(2)&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;`, `&lt;/del&gt;mount(2)&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;`, `&lt;/del&gt;open_by_handle_at(2)&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;`, `&lt;/del&gt;openat2(2)&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;`, `&lt;/del&gt;read(2)&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;`, `&lt;/del&gt;socket(2)&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;`, `&lt;/del&gt;stat(2)&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;`, `&lt;/del&gt;umask(2)&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;`, `&lt;/del&gt;unlink(2)&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;`, `&lt;/del&gt;write(2)&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;`, `&lt;/del&gt;fopen(3)&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;`, `&lt;/del&gt;acl(5)&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;`, `&lt;/del&gt;fifo(7)&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;`, `&lt;/del&gt;inode(7)&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;`, `&lt;/del&gt;path_resolution(7)&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;`, `&lt;/del&gt;symlink(7)&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;`&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;* [[&lt;/ins&gt;chmod(2)&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;* [[&lt;/ins&gt;chown(2)&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;* [[&lt;/ins&gt;close(2)&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;* [[&lt;/ins&gt;dup(2)&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;* [[&lt;/ins&gt;fcntl(2)&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;* [[&lt;/ins&gt;link(2)&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;* [[&lt;/ins&gt;lseek(2)&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;* [[&lt;/ins&gt;mknod(2)&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;* [[&lt;/ins&gt;mmap(2)&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;* [[&lt;/ins&gt;mount(2)&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;* [[&lt;/ins&gt;open_by_handle_at(2)&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;* [[&lt;/ins&gt;openat2(2)&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;* [[&lt;/ins&gt;read(2)&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;* [[&lt;/ins&gt;socket(2)&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;* [[&lt;/ins&gt;stat(2)&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;* [[&lt;/ins&gt;umask(2)&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;* [[&lt;/ins&gt;unlink(2)&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;* [[&lt;/ins&gt;write(2)&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;* [[&lt;/ins&gt;fopen(3)&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;* [[&lt;/ins&gt;acl(5)&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;* [[&lt;/ins&gt;fifo(7)&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;* [[&lt;/ins&gt;inode(7)&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;* [[&lt;/ins&gt;path_resolution(7)&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;* [[&lt;/ins&gt;symlink(7)&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== COLOFON ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== COLOFON ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Admin</name></author>
	</entry>
	<entry>
		<id>https://wiki.linux.se/index.php?title=open(2)&amp;diff=6210&amp;oldid=prev</id>
		<title>Admin: /* O_PATH (sedan Linux 2.6.39) */</title>
		<link rel="alternate" type="text/html" href="https://wiki.linux.se/index.php?title=open(2)&amp;diff=6210&amp;oldid=prev"/>
		<updated>2024-11-22T08:47:21Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;O_PATH (sedan Linux 2.6.39)&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;sv&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Äldre version&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Versionen från 22 november 2024 kl. 08.47&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l153&quot;&gt;Rad 153:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Rad 153:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Följande operationer kan utföras på den resulterande filbeskrivaren:&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Följande operationer kan utföras på den resulterande filbeskrivaren:&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* `close(2)`&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* `&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/ins&gt;close(2)&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;`&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* `fchdir(2)`, om filbeskrivaren refererar till en katalog (sedan Linux 3.5)&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* `&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/ins&gt;fchdir(2)&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;`, om filbeskrivaren refererar till en katalog (sedan Linux 3.5)&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* `fstat(2)` (sedan Linux 3.6)&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* `&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/ins&gt;fstat(2)`&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]] &lt;/ins&gt;(sedan Linux 3.6)&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* `fstatfs(2)` (sedan Linux 3.12)&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* `&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/ins&gt;fstatfs(2)&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;` (sedan Linux 3.12)&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* Duplicera filbeskrivaren (`dup(2)`, `fcntl(2) F_DUPFD` etc.)&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* Duplicera filbeskrivaren (`&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/ins&gt;dup(2&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;)`, `&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/ins&gt;fcntl(2)&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]] &lt;/ins&gt;F_DUPFD` etc.)&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* Hämta och sätta filbeskrivarflaggor (`fcntl(2) F_GETFD` och `F_SETFD`)&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* Hämta och sätta filbeskrivarflaggor (`fcntl(2) F_GETFD` och `F_SETFD`)&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* Hämta öppna filstatusflaggor med `fcntl(2) F_GETFL` operationen: de returnerade flaggorna kommer att inkludera biten `O_PATH`.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* Hämta öppna filstatusflaggor med `fcntl(2) F_GETFL` operationen: de returnerade flaggorna kommer att inkludera biten `O_PATH`.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l255&quot;&gt;Rad 255:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Rad 255:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== STANDARDER ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== STANDARDER ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* &amp;#039;&amp;#039;&amp;#039;open()&amp;#039;&amp;#039;&amp;#039;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* &amp;#039;&amp;#039;&amp;#039;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/ins&gt;open()&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;&amp;#039;&amp;#039;&amp;#039;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* &amp;#039;&amp;#039;&amp;#039;creat()&amp;#039;&amp;#039;&amp;#039;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* &amp;#039;&amp;#039;&amp;#039;creat()&amp;#039;&amp;#039;&amp;#039;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* &amp;#039;&amp;#039;&amp;#039;openat()&amp;#039;&amp;#039;&amp;#039;: POSIX.1-2008.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* &amp;#039;&amp;#039;&amp;#039;openat()&amp;#039;&amp;#039;&amp;#039;: POSIX.1-2008.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Admin</name></author>
	</entry>
	<entry>
		<id>https://wiki.linux.se/index.php?title=open(2)&amp;diff=6209&amp;oldid=prev</id>
		<title>Admin den 22 november 2024 kl. 08.40</title>
		<link rel="alternate" type="text/html" href="https://wiki.linux.se/index.php?title=open(2)&amp;diff=6209&amp;oldid=prev"/>
		<updated>2024-11-22T08:40:27Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;a href=&quot;https://wiki.linux.se/index.php?title=open(2)&amp;amp;diff=6209&amp;amp;oldid=6208&quot;&gt;Visa ändringar&lt;/a&gt;</summary>
		<author><name>Admin</name></author>
	</entry>
	<entry>
		<id>https://wiki.linux.se/index.php?title=open(2)&amp;diff=6208&amp;oldid=prev</id>
		<title>Admin den 22 november 2024 kl. 08.23</title>
		<link rel="alternate" type="text/html" href="https://wiki.linux.se/index.php?title=open(2)&amp;diff=6208&amp;oldid=prev"/>
		<updated>2024-11-22T08:23:21Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;a href=&quot;https://wiki.linux.se/index.php?title=open(2)&amp;amp;diff=6208&amp;amp;oldid=6197&quot;&gt;Visa ändringar&lt;/a&gt;</summary>
		<author><name>Admin</name></author>
	</entry>
	<entry>
		<id>https://wiki.linux.se/index.php?title=open(2)&amp;diff=6197&amp;oldid=prev</id>
		<title>Admin: Skapade sidan med &#039;= open(2) - Linux manual page =  == Namn == &#039;&#039;&#039;open&#039;&#039;&#039; - Öppnar eller skapar en fil  == Bibliotek == Standard C-biblioteket (libc, -lc)  == Synopsis == &lt;pre&gt; #include &lt;fcntl.h&gt; #include &lt;sys/stat.h&gt; #include &lt;unistd.h&gt;  int open(const char *pathname, int flags, ... /* mode_t mode */ ); &lt;/pre&gt;  == Beskrivning == Funktionen &#039;&#039;&#039;open&#039;&#039;&#039; används för att öppna en fil eller skapa en ny fil. Den returnerar en filbeskrivare som kan användas för att läsa, skriva eller utfö...&#039;</title>
		<link rel="alternate" type="text/html" href="https://wiki.linux.se/index.php?title=open(2)&amp;diff=6197&amp;oldid=prev"/>
		<updated>2024-11-22T08:08:55Z</updated>

		<summary type="html">&lt;p&gt;Skapade sidan med &amp;#039;= open(2) - Linux manual page =  == Namn == &amp;#039;&amp;#039;&amp;#039;open&amp;#039;&amp;#039;&amp;#039; - Öppnar eller skapar en fil  == Bibliotek == Standard C-biblioteket (libc, -lc)  == Synopsis == &amp;lt;pre&amp;gt; #include &amp;lt;fcntl.h&amp;gt; #include &amp;lt;sys/stat.h&amp;gt; #include &amp;lt;unistd.h&amp;gt;  int open(const char *pathname, int flags, ... &lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;mode_t mode: &lt;/span&gt; ); &amp;lt;/pre&amp;gt;  == Beskrivning == Funktionen &amp;#039;&amp;#039;&amp;#039;open&amp;#039;&amp;#039;&amp;#039; används för att öppna en fil eller skapa en ny fil. Den returnerar en filbeskrivare som kan användas för att läsa, skriva eller utfö...&amp;#039;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Ny sida&lt;/b&gt;&lt;/p&gt;&lt;div&gt;= open(2) - Linux manual page =&lt;br /&gt;
&lt;br /&gt;
== Namn ==&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;open&amp;#039;&amp;#039;&amp;#039; - Öppnar eller skapar en fil&lt;br /&gt;
&lt;br /&gt;
== Bibliotek ==&lt;br /&gt;
Standard C-biblioteket (libc, -lc)&lt;br /&gt;
&lt;br /&gt;
== Synopsis ==&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
#include &amp;lt;fcntl.h&amp;gt;&lt;br /&gt;
#include &amp;lt;sys/stat.h&amp;gt;&lt;br /&gt;
#include &amp;lt;unistd.h&amp;gt;&lt;br /&gt;
&lt;br /&gt;
int open(const char *pathname, int flags, ... /* mode_t mode */ );&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
== Beskrivning ==&lt;br /&gt;
Funktionen &amp;#039;&amp;#039;&amp;#039;open&amp;#039;&amp;#039;&amp;#039; används för att öppna en fil eller skapa en ny fil. Den returnerar en filbeskrivare som kan användas för att läsa, skriva eller utföra andra operationer på filen.&lt;br /&gt;
&lt;br /&gt;
### Parametrar&lt;br /&gt;
* &amp;#039;&amp;#039;&amp;#039;pathname&amp;#039;&amp;#039;&amp;#039;: Sökvägen till filen som ska öppnas eller skapas.&lt;br /&gt;
* &amp;#039;&amp;#039;&amp;#039;flags&amp;#039;&amp;#039;&amp;#039;: Anger öppningsläget och alternativ (kombineras med bitvis OR). Exempel på flaggor:&lt;br /&gt;
  - &amp;#039;&amp;#039;&amp;#039;O_RDONLY&amp;#039;&amp;#039;&amp;#039;: Öppna filen för endast läsning.&lt;br /&gt;
  - &amp;#039;&amp;#039;&amp;#039;O_WRONLY&amp;#039;&amp;#039;&amp;#039;: Öppna filen för endast skrivning.&lt;br /&gt;
  - &amp;#039;&amp;#039;&amp;#039;O_RDWR&amp;#039;&amp;#039;&amp;#039;: Öppna filen för både läsning och skrivning.&lt;br /&gt;
  - &amp;#039;&amp;#039;&amp;#039;O_CREAT&amp;#039;&amp;#039;&amp;#039;: Skapa filen om den inte existerar.&lt;br /&gt;
  - &amp;#039;&amp;#039;&amp;#039;O_TRUNC&amp;#039;&amp;#039;&amp;#039;: Truncera filen till 0 byte om den redan existerar och öppnas för skrivning.&lt;br /&gt;
  - &amp;#039;&amp;#039;&amp;#039;O_APPEND&amp;#039;&amp;#039;&amp;#039;: Skrivningar sker alltid i slutet av filen.&lt;br /&gt;
  - &amp;#039;&amp;#039;&amp;#039;O_EXCL&amp;#039;&amp;#039;&amp;#039;: Misslyckas om filen redan existerar (används tillsammans med &amp;#039;&amp;#039;&amp;#039;O_CREAT&amp;#039;&amp;#039;&amp;#039;).&lt;br /&gt;
&lt;br /&gt;
* &amp;#039;&amp;#039;&amp;#039;mode&amp;#039;&amp;#039;&amp;#039;: Om &amp;#039;&amp;#039;&amp;#039;O_CREAT&amp;#039;&amp;#039;&amp;#039; används, specificerar detta filens behörigheter (t.ex. 0644 för läs/skrivbehörighet för ägare och läsbehörighet för andra).&lt;br /&gt;
&lt;br /&gt;
### Returnerar&lt;br /&gt;
* Vid framgång: En icke-negativ filbeskrivare.&lt;br /&gt;
* Vid fel: &amp;#039;&amp;#039;&amp;#039;-1&amp;#039;&amp;#039;&amp;#039;, och [[errno(3)]] sätts för att indikera felet.&lt;br /&gt;
&lt;br /&gt;
== Fel ==&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;open&amp;#039;&amp;#039;&amp;#039; kan returnera följande felkoder i [[errno(3)]]:&lt;br /&gt;
* &amp;#039;&amp;#039;&amp;#039;EACCES&amp;#039;&amp;#039;&amp;#039;: Behörighet saknas för att öppna filen.&lt;br /&gt;
* &amp;#039;&amp;#039;&amp;#039;EEXIST&amp;#039;&amp;#039;&amp;#039;: Filen existerar redan och &amp;#039;&amp;#039;&amp;#039;O_CREAT | O_EXCL&amp;#039;&amp;#039;&amp;#039; användes.&lt;br /&gt;
* &amp;#039;&amp;#039;&amp;#039;ENOENT&amp;#039;&amp;#039;&amp;#039;: Filen eller en katalog i sökvägen existerar inte.&lt;br /&gt;
* &amp;#039;&amp;#039;&amp;#039;EINVAL&amp;#039;&amp;#039;&amp;#039;: Ogiltiga flaggor angavs.&lt;br /&gt;
* &amp;#039;&amp;#039;&amp;#039;EMFILE&amp;#039;&amp;#039;&amp;#039;: Processen har redan öppnat maximalt antal filer.&lt;br /&gt;
&lt;br /&gt;
För en fullständig lista över felkoder, se manualen.&lt;br /&gt;
&lt;br /&gt;
== Exempel ==&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
#include &amp;lt;fcntl.h&amp;gt;&lt;br /&gt;
#include &amp;lt;unistd.h&amp;gt;&lt;br /&gt;
#include &amp;lt;stdio.h&amp;gt;&lt;br /&gt;
&lt;br /&gt;
int main() {&lt;br /&gt;
    const char *filename = &amp;quot;example.txt&amp;quot;;&lt;br /&gt;
    int fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC, 0644);&lt;br /&gt;
    &lt;br /&gt;
    if (fd == -1) {&lt;br /&gt;
        perror(&amp;quot;open&amp;quot;);&lt;br /&gt;
        return 1;&lt;br /&gt;
    }&lt;br /&gt;
&lt;br /&gt;
    write(fd, &amp;quot;Hej, värld!\n&amp;quot;, 12);&lt;br /&gt;
    close(fd);&lt;br /&gt;
    return 0;&lt;br /&gt;
}&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
== Standarder ==&lt;br /&gt;
Funktionen &amp;#039;&amp;#039;&amp;#039;open&amp;#039;&amp;#039;&amp;#039; följer POSIX.1-2001, POSIX.1-2008, och är en del av System V Interface Definition (SVID).&lt;br /&gt;
&lt;br /&gt;
== Se även ==&lt;br /&gt;
* [[close(2)]]&lt;br /&gt;
* [[read(2)]]&lt;br /&gt;
* [[write(2)]]&lt;br /&gt;
* [[openat(2)]]&lt;br /&gt;
* [[fcntl(2)]]&lt;br /&gt;
* [[stat(2)]]&lt;br /&gt;
* [[errno(3)]]&lt;br /&gt;
&lt;br /&gt;
== Kolofon ==&lt;br /&gt;
Denna sida är en översättning av manualen för &amp;#039;&amp;#039;&amp;#039;open(2)&amp;#039;&amp;#039;&amp;#039;, hämtad från ⟨https://man7.org/linux/man-pages/man2/open.2.html⟩, en del av Linux manualprojektet. För att rapportera fel eller föreslå förbättringar, besök ⟨https://git.kernel.org/pub/scm/docs/man-pages/man-pages.git/tree/CONTRIBUTING⟩.&lt;br /&gt;
&lt;br /&gt;
= Sidslut =&lt;br /&gt;
&lt;br /&gt;
Orginalhemsidan på Engelska :https://man7.org/linux/man-pages/man2/open.2.html&lt;br /&gt;
&amp;lt;BR&amp;gt;[[PHP]]&lt;br /&gt;
&amp;lt;HR&amp;gt;&lt;br /&gt;
Det här är en maskinöversättning av Linux man sidor till svenska. Om du hittar fel är vi tacksamma om du rapporterar dem via formuläret som finns på &lt;br /&gt;
https://www.linux.se/kontaka-linux-se/&lt;br /&gt;
&amp;lt;BR&amp;gt;&amp;lt;BR&amp;gt;Tack till [https://pc-service.se PC Service] som har  sponsrat [https://www.linux.se Linux.se] med webbhotell.&lt;br /&gt;
&lt;br /&gt;
[[Kategori:Standard C-biblioteket ]]&lt;/div&gt;</summary>
		<author><name>Admin</name></author>
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