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<td bgcolor="#cccccc"><span class="style1" style="margin-left:5px">sys_gettimeofday <span class="style2">[kernel/time.c] </span></span></td>
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<td><p style="margin-left:22px;margin-top:0px"><br />
Gets time and timezone. The return time value is reperesented using number of seconds and microseconds since the Epoch.</p>
<p style="margin-left:10px"><strong>Arguments</strong></p>
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<td width="6%" valign="top"><em>eax</em></td>
<td width="94%">78</td>
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<td valign="top"><em>ebx</em></td>
<td>Pointer to a <em>timeval</em> structure (this parameter can be 0): <br />
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<td><code>struc timeval<br>
{<br />
tv_sec rd 1 ; seconds <br />
tv_usec rd 1 ; microseconds <br />
}
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<td valign="top"><em>ecx</em></td>
<td>Pointer to a <em>timezone</em> structure (this parameter can be 0): <br />
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<td><code>struc timezone<br>
{<br />
tz_minuteswest rd 1 <br />
tz_dsttime rd 1 <br />
}</code></td>
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<br />
<code><em><u>timezone</u></em><u> members:<br />
</u><br />
<span style="margin-left:10px"><strong>tz_minuteswest</strong></span><br />
</span><span style="margin-left:25px">N</span>umber of minutes west of UTC.<br />
<span style="margin-left:10px"><strong>tz_dsttime</strong></span></code>
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<code>Contains a symbolic constant (values are given below) that indicates in which part of the year Daylight Saving Time is in force. (Note: its value is constant throughout the year: it does not indicate that DST is in force, it just selects an algorithm.) The daylight saving time algorithms defined are as follows : </code>
<p><code>DST_NONE - not on dst<br />
DST_USA - USA style dst <br />
DST_AUST - Australian style dst <br />
DST_WET - Western European dst <br />
DST_MET - Middle European dst <br />
DST_EET - Eastern European dst <br />
DST_CAN - Canada <br />
DST_GB - Great Britain and Eire <br />
DST_RUM - Rumania <br />
DST_TUR - Turkey <br />
DST_AUSTALT - Australian style with shift in 1986</code> </p>
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<p style="margin-left:10px" ><strong>Return values</strong></p>
<p style="margin-left:22px;margin-right:10px" >If the system call succeeds the return value is 0.<br />
If the system call fails the return value is one of the following <em>errno</em> values:</p>
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<td width="10%" valign="top"><code>-EFAULT </code></td>
<td width="90%"><code>One of <em>ecx</em> or <em>edx</em> pointed outside the accessible address space. </code></td>
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<td valign="top"><code>-EINVAL </code></td>
<td><code>Timezone (or something else) is invalid. </code></td>
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<p style="margin-left:10px"><strong>Remarks</strong></p>
<p style="margin-left:22px">n/a</p>
<p style="margin-left:10px"><strong>Compatibility</strong></p>
<p style="margin-left:22px">n/a</p></td>
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