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This commit is contained in:
wiz 2009-05-18 13:56:05 +00:00
parent 5934ead6f1
commit 5d3d6cd4cc
1 changed files with 41 additions and 45 deletions
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86
lib/libc/sys/execve.2
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@ -1,4 +1,4 @@
.\" $NetBSD: execve.2,v 1.38 2009/03/23 14:11:27 joerg Exp $
.\" $NetBSD: execve.2,v 1.39 2009/05/18 13:56:05 wiz Exp $
.\"
.\" Copyright (c) 1980, 1991, 1993
.\" The Regents of the University of California. All rights reserved.
@ -209,66 +209,62 @@ is set to indicate the error.
.Fn execve
will fail and return to the calling process if:
.Bl -tag -width Er
.It Bq Er EAGAIN
A
.Xr setuid 7
process has exceeded the current resource limit for the number of
processes it is allowed to run concurrently.
.It Bq Er ENOTDIR
A component of the path prefix is not a directory.
.It Bq Er ENAMETOOLONG
A component of a pathname exceeded
.Dv {NAME_MAX}
characters, or an entire path name exceeded
.Dv {PATH_MAX}
characters.
.It Bq Er ENOENT
The new process file does not exist.
.It Bq Er ENOENT
The new process file is a script starting with
.Li #!
and the script interpreter does not exist.
.It Bq Er ELOOP
Too many symbolic links were encountered in translating the pathname.
.It Bq Er E2BIG
The number of bytes in the new process's argument list
is larger than the system-imposed limit.
The limit in the system as released is 262144 bytes
.Dv ( NCARGS
in
.Ao Pa sys/param.h Ac ) .
.It Bq Er EACCES
Search permission is denied for a component of the path prefix,
the new process file is not an ordinary file,
its file mode denies execute permission, or
it is on a filesystem mounted with execution
disabled
.Pf ( Dv MNT_NOEXEC
.Dv ( MNT_NOEXEC
in
.Ao Pa sys/mount.h Ac ) .
.It Bq Er ENOEXEC
The new process file has the appropriate access
permission, but has an invalid magic number in its header.
.It Bq Er ETXTBSY
The new process file is a pure procedure (shared text)
file that is currently open for writing or reading by some process.
.ne 1i
.It Bq Er ENOMEM
The new process requires more virtual memory than
is allowed by the imposed maximum
.Pq Xr getrlimit 2 .
.It Bq Er E2BIG
The number of bytes in the new process's argument list
is larger than the system-imposed limit.
The limit in the system as released is 262144 bytes
.Pf ( Dv NCARGS
in
.Ao Pa sys/param.h Ac ) .
.It Bq Er EAGAIN
A
.Xr setuid 7
process has exceeded the current resource limit for the number of
processes it is allowed to run concurrently.
.It Bq Er EFAULT
The new process file is not as long as indicated by
the size values in its header.
.It Bq Er EFAULT
the size values in its header; or
.Fa path ,
.Fa argv ,
or
.Fa envp
point
to an illegal address.
point to an illegal address.
.It Bq Er EIO
An I/O error occurred while reading from the file system.
.It Bq Er ELOOP
Too many symbolic links were encountered in translating the pathname.
.It Bq Er ENAMETOOLONG
A component of a pathname exceeded
.Dv NAME_MAX
characters, or an entire path name exceeded
.Dv PATH_MAX
characters.
.It Bq Er ENOENT
The new process file does not exist, or
the new process file is a script starting with
.Li #!
and the script interpreter does not exist.
.It Bq Er ENOEXEC
The new process file has the appropriate access
permission, but has an invalid magic number in its header.
.It Bq Er ENOMEM
The new process requires more virtual memory than
is allowed by the imposed maximum
.Pq Xr getrlimit 2 .
.It Bq Er ENOTDIR
A component of the path prefix is not a directory.
.It Bq Er ETXTBSY
The new process file is a pure procedure (shared text)
file that is currently open for writing or reading by some process.
.El
.Sh SEE ALSO
.Xr _exit 2 ,