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<html><!-- This HTML file has been created by texi2html 1.29
from syscalls.texi on 4 June 1994 -->
<TITLE>Syscall specifications of Linux - execve</TITLE>
<P>Go to the <A HREF="syscalls_57.html" tppabs="http://www.infran.ru/TechInfo/syscalls/syscalls_57.html">previous</A>, <A HREF="syscalls_59.html" tppabs="http://www.infran.ru/TechInfo/syscalls/syscalls_59.html">next</A> section.<P>
<H2><A NAME="SEC58" HREF="syscalls_toc.html#SEC58" tppabs="http://www.infran.ru/TechInfo/syscalls/syscalls_toc.html#SEC58">execve</A></H2>
<P>
<H3>SYNOPSIS</H3>
<P>
<CODE>int execve (const char *<VAR>filename</VAR>, const char *<VAR>argv</VAR>[],
const char *<VAR>envp</VAR>[]);</CODE>
<P>
<H3>PARAMETERS</H3>
<P>
<VAR>filename</VAR>: [in] the path of the executable file.
<P>
<VAR>argv</VAR>: [in] the parameter vector for this invocation.
<P>
<VAR>envp</VAR>: [in] the environment in which to start the new text.
<P>
<H3>DESCRIPTION</H3>
<P>
Overwrites the current task with a new executable file on disk using the
parameter vector environement specified by the call. The opened files
not maked close on exec remain opened after the call.
<P>
<H3>RETURN VALUE</H3>
<P>
On success, does not return. On error, returns -1 and <CODE>errno</CODE> is set
to one of the following values:
<P>
<UL>
<LI><CODE>EACCESS</CODE>: the file is not a regular file or is not
executable.
<LI><CODE>EPERM</CODE>: the file system does not permit execution at all or
the file has the SUID or SGID bit set but the file system does not
permit SUID or SGID execution.
<LI><CODE>E2BIG</CODE>, <CODE>ENOEXEC</CODE>, <CODE>EFAULT</CODE>, <CODE>ENAMETOOLONG</CODE>,
<CODE>ENOENT</CODE>, <CODE>ENOMEM</CODE>, <CODE>ENOTDIR</CODE>, <CODE>EACCESS</CODE> and
<CODE>ELOOP</CODE> all have their standard meanings.
</UL>
<P>
<P>Go to the <A HREF="syscalls_57.html" tppabs="http://www.infran.ru/TechInfo/syscalls/syscalls_57.html">previous</A>, <A HREF="syscalls_59.html" tppabs="http://www.infran.ru/TechInfo/syscalls/syscalls_59.html">next</A> section.<P>