mirror of https://github.com/mkerrisk/man-pages
75 lines
2.2 KiB
Groff
75 lines
2.2 KiB
Groff
.\" Hey Emacs! This file is -*- nroff -*- source.
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.\"
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.\" Copyright (c) 2006, Michael Kerrisk
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.\"
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.\" Permission is granted to make and distribute verbatim copies of this
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.\" manual provided the copyright notice and this permission notice are
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.\" preserved on all copies.
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.\"
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.\" Permission is granted to copy and distribute modified versions of this
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.\" manual under the conditions for verbatim copying, provided that the
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.\" entire resulting derived work is distributed under the terms of a
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.\" permission notice identical to this one.
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.\"
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.\" Since the Linux kernel and libraries are constantly changing, this
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.\" manual page may be incorrect or out-of-date. The author(s) assume no
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.\" responsibility for errors or omissions, or for damages resulting from
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.\" the use of the information contained herein. The author(s) may not
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.\" have taken the same level of care in the production of this manual,
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.\" which is licensed free of charge, as they might when working
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.\" professionally.
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.\"
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.\" Formatted or processed versions of this manual, if unaccompanied by
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.\" the source, must acknowledge the copyright and authors of this work.
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.\"
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.TH FEXECVE 3 2006-03-06 "Linux" "Linux Programmer's Manual"
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.SH NAME
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fexecve \- execute program specified via file descriptor
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.SH SYNOPSIS
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.nf
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.B #include <sys/time.h>
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.sp
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.BI "int fexecve(int " fd ", char *const " argv "[], char *const " envp []);
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.fi
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.SH DESCRIPTION
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.BR fexecve ()
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performs the same task as
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.BR execve (2),
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with the difference that the file to be executed
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is specified via a file descriptor,
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.IR fd ,
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rather than via a pathname.
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.SH "RETURN VALUE"
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A successful call to
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.BR fexecve ()
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never returns.
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On error, the function returns, with a result value of \-1 is returned, and
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.I errno
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is set appropriately.
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.SH ERRORS
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Errors are as for
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.BR execve (2),
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with the following additions:
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.TP
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.B EINVAL
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.I fd
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is not a valid file descriptor, or
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.I argv
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is NULL, or
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.I envp
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is NULL.
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.TP
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.B ENOSYS
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The
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.I /proc
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file system could not be accessed.
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.SH VERSIONS
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.BR fexecve ()
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is implemented since glibc 2.3.2.
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.SH "CONFORMING TO"
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This function is Linux specific.
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.\" As at 2006:
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It is under consideration for inclusion in a future version of POSIX.1.
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.SH "SEE ALSO"
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.BR execve (2)
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