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| <title>Debugging with GDB: unlink</title> |
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| <a name="unlink-1"></a> |
| <h4 class="unnumberedsubsubsec">unlink</h4> |
| <a name="index-unlink_002c-file_002di_002fo-system-call"></a> |
| |
| <dl compact="compact"> |
| <dt>Synopsis:</dt> |
| <dd><div class="smallexample"> |
| <pre class="smallexample">int unlink(const char *pathname); |
| </pre></div> |
| |
| </dd> |
| <dt>Request:</dt> |
| <dd><p>‘<samp>Funlink,<var>pathnameptr</var>/<var>len</var></samp>’ |
| </p> |
| </dd> |
| <dt>Return value:</dt> |
| <dd><p>On success, zero is returned. On error, -1 is returned. |
| </p> |
| </dd> |
| <dt>Errors:</dt> |
| <dd> |
| <dl compact="compact"> |
| <dt><code>EACCES</code></dt> |
| <dd><p>No access to the file or the path of the file. |
| </p> |
| </dd> |
| <dt><code>EPERM</code></dt> |
| <dd><p>The system does not allow unlinking of directories. |
| </p> |
| </dd> |
| <dt><code>EBUSY</code></dt> |
| <dd><p>The file <var>pathname</var> cannot be unlinked because it’s |
| being used by another process. |
| </p> |
| </dd> |
| <dt><code>EFAULT</code></dt> |
| <dd><p><var>pathnameptr</var> is an invalid pointer value. |
| </p> |
| </dd> |
| <dt><code>ENAMETOOLONG</code></dt> |
| <dd><p><var>pathname</var> was too long. |
| </p> |
| </dd> |
| <dt><code>ENOENT</code></dt> |
| <dd><p>A directory component in <var>pathname</var> does not exist. |
| </p> |
| </dd> |
| <dt><code>ENOTDIR</code></dt> |
| <dd><p>A component of the path is not a directory. |
| </p> |
| </dd> |
| <dt><code>EROFS</code></dt> |
| <dd><p>The file is on a read-only filesystem. |
| </p> |
| </dd> |
| <dt><code>EINTR</code></dt> |
| <dd><p>The call was interrupted by the user. |
| </p></dd> |
| </dl> |
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