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<TITLE>Syscall specifications of Linux - fork</TITLE>
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<H2><A NAME="SEC59" HREF="syscalls_toc.html#SEC59" tppabs="http://www.infran.ru/TechInfo/syscalls/syscalls_toc.html#SEC59">template</A></H2>
<P>
<H3>SYNOPSIS</H3>
<P>
<CODE>pid_t fork(void);</CODE>
<P>
<CODE>pid_t vfork(void);</CODE>
<P>
<H3>DESCRIPTION</H3>
<P>
Create a child task from the current task. The new task is an exact copy
of the parent appart from the PID. <CODE>vfork</CODE> is simply an alias for
<CODE>fork</CODE>.
<P>
<H3>RETURN VALUE</H3>
<P>
On success, the call returns the PID of the new task in the parent and
returns 1 in the child. On error, returns -1 and sets <CODE>errno</CODE> to the
following value: <CODE>EAGAIN</CODE> meaning that there is not enough memory
to complete the call.
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