Update.
2000-01-23 Philip Blundell <philb@gnu.org>
Add basic support for RPC over IPv6:
* sunrpc/rpc/svc.h (struct SVCXPRT): Use `struct sockaddr_storage'
for remote address.
(svcudp6_create, svcudp6_bufcreate, svctcp6_create): New
prototypes.
* sunrpc/rpc/clnt.h (clnttcp6_create, clntudp6_create,
clntudp6_bufcreate): New prototypes.
* inet/netinet/in.h (bindresport6): Likewise.
* sunrpc/Makefile (routines): Add svc_tcp6, svc_udp6, bindrsvprt6.
* sunrpc/Versions: Add svcfd6_create, svctcp6_create,
svcudp6_create, svcudp6_bufcreate, svcudp6_enablecache,
bindresvport6 for GLIBC_2.2.
* sunrpc/rpc_main.c: Support `tcp6' and `udp6' transport types.
* sunrpc/rpc_svcout.c: Likewise.
* sunrpc/svc_tcp.c (rendezvous_request): Use memcpy rather than
simple assignment when copying addresses.
* sunrpc/svc_udp.c (cache_get): Likewise.
* sunrpc/svc_unix.c (rendezvous_request): Likewise.
* sunrpc/bindrsvprt6.c, sunrpc/clnt_tcp6.c, sunrpc/clnt_udp6.c,
sunrpc/svc_tcp6.c, sunrpc/svc_udp6.c: New files.
2000-01-05 Philip Blundell <philb@gnu.org>
* sysdeps/unix/sysv/linux/arm/mmap64.S: Correct check for ENOSYS.
2000-01-23 Andreas Jaeger <aj@suse.de>
* sysdeps/unix/sysv/linux/i386/fxstat.c (__fxstat): Pass right
parameter to fstat calls.
2000-01-18 Roland McGrath <roland@baalperazim.frob.com>
* sysdeps/generic/bits/socket.h
(__ss_aligntype, struct sockaddr_storage): Make these like Linux
version, replacing old type name `__ss_align'.
2000-01-05 Roland McGrath <roland@baalperazim.frob.com>
* sysdeps/generic/lseek64.c (__libc_lseek64): Renamed from __lseek64.
(__lseek64, lseek64): Make these weak aliases for __libc_lseek64.
* sysdeps/mach/hurd/lseek.c (__libc_lseek): Renamed from __lseek.
(__lseek, lseek): Make these weak aliases for __libc_lseek.
* sysdeps/mach/hurd/fcntl.c (__libc_fcntl): Renamed from __fcntl.
(__fcntl, fcntl): Make these weak aliases for __libc_fcntl.
* sysdeps/mach/hurd/open.c (__libc_open): Renamed from __open.
(__open, open): Make these weak aliases for __libc_open.
* sysdeps/generic/bits/socket.h (enum __socket_type): Remove
trailing comma.
(anonymous enum for MSG_*): Likewise.
(anonymous enum for SO_*): Likewise.
2000-01-23 Ulrich Drepper <drepper@cygnus.com>
* string/bits/string2.h: Fix typo (__GNU_SOURCE -> __USE_GNU)
(PR libc/1553).
2000-01-24 03:22:13 +01:00
|
|
|
/* Copyright (C) 1992,93,94,95,96,97,99,2000 Free Software Foundation, Inc.
|
1997-05-27 01:01:17 +02:00
|
|
|
This file is part of the GNU C Library.
|
1995-02-18 02:27:10 +01:00
|
|
|
|
1997-05-27 01:01:17 +02:00
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
2001-07-06 06:58:11 +02:00
|
|
|
modify it under the terms of the GNU Lesser General Public
|
|
|
|
License as published by the Free Software Foundation; either
|
|
|
|
version 2.1 of the License, or (at your option) any later version.
|
1995-02-18 02:27:10 +01:00
|
|
|
|
1997-05-27 01:01:17 +02:00
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
2001-07-06 06:58:11 +02:00
|
|
|
Lesser General Public License for more details.
|
1995-02-18 02:27:10 +01:00
|
|
|
|
2001-07-06 06:58:11 +02:00
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
|
|
License along with the GNU C Library; if not, write to the Free
|
|
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
|
|
02111-1307 USA. */
|
1995-02-18 02:27:10 +01:00
|
|
|
|
|
|
|
#include <errno.h>
|
|
|
|
#include <fcntl.h>
|
|
|
|
#include <hurd.h>
|
|
|
|
#include <hurd/fd.h>
|
|
|
|
#include <stdarg.h>
|
1999-03-19 16:32:17 +01:00
|
|
|
#include <sys/file.h> /* XXX for LOCK_* */
|
1995-02-18 02:27:10 +01:00
|
|
|
|
|
|
|
|
|
|
|
/* Perform file control operations on FD. */
|
|
|
|
int
|
Update.
2000-01-23 Philip Blundell <philb@gnu.org>
Add basic support for RPC over IPv6:
* sunrpc/rpc/svc.h (struct SVCXPRT): Use `struct sockaddr_storage'
for remote address.
(svcudp6_create, svcudp6_bufcreate, svctcp6_create): New
prototypes.
* sunrpc/rpc/clnt.h (clnttcp6_create, clntudp6_create,
clntudp6_bufcreate): New prototypes.
* inet/netinet/in.h (bindresport6): Likewise.
* sunrpc/Makefile (routines): Add svc_tcp6, svc_udp6, bindrsvprt6.
* sunrpc/Versions: Add svcfd6_create, svctcp6_create,
svcudp6_create, svcudp6_bufcreate, svcudp6_enablecache,
bindresvport6 for GLIBC_2.2.
* sunrpc/rpc_main.c: Support `tcp6' and `udp6' transport types.
* sunrpc/rpc_svcout.c: Likewise.
* sunrpc/svc_tcp.c (rendezvous_request): Use memcpy rather than
simple assignment when copying addresses.
* sunrpc/svc_udp.c (cache_get): Likewise.
* sunrpc/svc_unix.c (rendezvous_request): Likewise.
* sunrpc/bindrsvprt6.c, sunrpc/clnt_tcp6.c, sunrpc/clnt_udp6.c,
sunrpc/svc_tcp6.c, sunrpc/svc_udp6.c: New files.
2000-01-05 Philip Blundell <philb@gnu.org>
* sysdeps/unix/sysv/linux/arm/mmap64.S: Correct check for ENOSYS.
2000-01-23 Andreas Jaeger <aj@suse.de>
* sysdeps/unix/sysv/linux/i386/fxstat.c (__fxstat): Pass right
parameter to fstat calls.
2000-01-18 Roland McGrath <roland@baalperazim.frob.com>
* sysdeps/generic/bits/socket.h
(__ss_aligntype, struct sockaddr_storage): Make these like Linux
version, replacing old type name `__ss_align'.
2000-01-05 Roland McGrath <roland@baalperazim.frob.com>
* sysdeps/generic/lseek64.c (__libc_lseek64): Renamed from __lseek64.
(__lseek64, lseek64): Make these weak aliases for __libc_lseek64.
* sysdeps/mach/hurd/lseek.c (__libc_lseek): Renamed from __lseek.
(__lseek, lseek): Make these weak aliases for __libc_lseek.
* sysdeps/mach/hurd/fcntl.c (__libc_fcntl): Renamed from __fcntl.
(__fcntl, fcntl): Make these weak aliases for __libc_fcntl.
* sysdeps/mach/hurd/open.c (__libc_open): Renamed from __open.
(__open, open): Make these weak aliases for __libc_open.
* sysdeps/generic/bits/socket.h (enum __socket_type): Remove
trailing comma.
(anonymous enum for MSG_*): Likewise.
(anonymous enum for SO_*): Likewise.
2000-01-23 Ulrich Drepper <drepper@cygnus.com>
* string/bits/string2.h: Fix typo (__GNU_SOURCE -> __USE_GNU)
(PR libc/1553).
2000-01-24 03:22:13 +01:00
|
|
|
__libc_fcntl (int fd, int cmd, ...)
|
1995-02-18 02:27:10 +01:00
|
|
|
{
|
|
|
|
va_list ap;
|
|
|
|
struct hurd_fd *d;
|
|
|
|
int result;
|
|
|
|
|
|
|
|
d = _hurd_fd_get (fd);
|
|
|
|
|
|
|
|
if (d == NULL)
|
|
|
|
return __hurd_fail (EBADF);
|
|
|
|
|
|
|
|
va_start (ap, cmd);
|
|
|
|
|
|
|
|
switch (cmd)
|
|
|
|
{
|
|
|
|
error_t err;
|
|
|
|
|
|
|
|
default: /* Bad command. */
|
|
|
|
errno = EINVAL;
|
|
|
|
result = -1;
|
|
|
|
break;
|
|
|
|
|
|
|
|
/* First the descriptor-based commands, which do no RPCs. */
|
|
|
|
|
|
|
|
case F_DUPFD: /* Duplicate the file descriptor. */
|
|
|
|
{
|
|
|
|
struct hurd_fd *new;
|
|
|
|
io_t port, ctty;
|
|
|
|
struct hurd_userlink ulink, ctty_ulink;
|
|
|
|
int flags;
|
|
|
|
|
|
|
|
HURD_CRITICAL_BEGIN;
|
|
|
|
|
|
|
|
/* Extract the ports and flags from the file descriptor. */
|
|
|
|
__spin_lock (&d->port.lock);
|
|
|
|
flags = d->flags;
|
|
|
|
ctty = _hurd_port_get (&d->ctty, &ctty_ulink);
|
|
|
|
port = _hurd_port_locked_get (&d->port, &ulink); /* Unlocks D. */
|
|
|
|
|
|
|
|
/* Get a new file descriptor. The third argument to __fcntl is the
|
|
|
|
minimum file descriptor number for it. */
|
|
|
|
new = _hurd_alloc_fd (&result, va_arg (ap, int));
|
|
|
|
if (new == NULL)
|
|
|
|
/* _hurd_alloc_fd has set errno. */
|
|
|
|
result = -1;
|
|
|
|
else
|
|
|
|
{
|
|
|
|
/* Give the ports each a user ref for the new descriptor. */
|
|
|
|
__mach_port_mod_refs (__mach_task_self (), port,
|
|
|
|
MACH_PORT_RIGHT_SEND, 1);
|
|
|
|
if (ctty != MACH_PORT_NULL)
|
|
|
|
__mach_port_mod_refs (__mach_task_self (), ctty,
|
|
|
|
MACH_PORT_RIGHT_SEND, 1);
|
|
|
|
|
|
|
|
/* Install the ports and flags in the new descriptor. */
|
|
|
|
if (ctty != MACH_PORT_NULL)
|
|
|
|
_hurd_port_set (&new->ctty, ctty);
|
|
|
|
/* Duplication clears the FD_CLOEXEC flag. */
|
|
|
|
new->flags = flags & ~FD_CLOEXEC;
|
|
|
|
_hurd_port_locked_set (&new->port, port); /* Unlocks NEW. */
|
|
|
|
}
|
|
|
|
|
|
|
|
HURD_CRITICAL_END;
|
|
|
|
|
|
|
|
_hurd_port_free (&d->port, &ulink, port);
|
|
|
|
if (ctty != MACH_PORT_NULL)
|
|
|
|
_hurd_port_free (&d->ctty, &ctty_ulink, port);
|
|
|
|
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Set RESULT by evaluating EXPR with the descriptor locked.
|
|
|
|
Check for an empty descriptor and return EBADF. */
|
|
|
|
#define LOCKED(expr) \
|
|
|
|
HURD_CRITICAL_BEGIN; \
|
|
|
|
__spin_lock (&d->port.lock); \
|
|
|
|
if (d->port.port == MACH_PORT_NULL) \
|
|
|
|
result = __hurd_fail (EBADF); \
|
|
|
|
else \
|
|
|
|
result = (expr); \
|
|
|
|
__spin_unlock (&d->port.lock); \
|
|
|
|
HURD_CRITICAL_END;
|
|
|
|
|
|
|
|
case F_GETFD: /* Get descriptor flags. */
|
|
|
|
LOCKED (d->flags);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case F_SETFD: /* Set descriptor flags. */
|
|
|
|
LOCKED ((d->flags = va_arg (ap, int), 0));
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
|
|
/* Now the real io operations, done by RPCs to io servers. */
|
|
|
|
|
|
|
|
case F_GETLK:
|
|
|
|
case F_SETLK:
|
|
|
|
case F_SETLKW:
|
|
|
|
{
|
1999-03-19 16:32:17 +01:00
|
|
|
/* XXX
|
|
|
|
We need new RPCs to support POSIX.1 fcntl file locking!!
|
|
|
|
For the time being we support the whole-file case only,
|
|
|
|
with all kinds of WRONG WRONG WRONG semantics,
|
|
|
|
by using flock. This is definitely the Wrong Thing,
|
|
|
|
but it might be better than nothing (?). */
|
1995-02-18 02:27:10 +01:00
|
|
|
struct flock *fl = va_arg (ap, struct flock *);
|
1999-03-19 16:32:17 +01:00
|
|
|
va_end (ap);
|
|
|
|
switch (cmd)
|
|
|
|
{
|
|
|
|
case F_GETLK:
|
|
|
|
errno = ENOSYS;
|
|
|
|
return -1;
|
|
|
|
case F_SETLK:
|
|
|
|
cmd = LOCK_NB;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
cmd = 0;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
switch (fl->l_type)
|
|
|
|
{
|
|
|
|
case F_RDLCK: cmd |= LOCK_SH; break;
|
|
|
|
case F_WRLCK: cmd |= LOCK_EX; break;
|
|
|
|
case F_UNLCK: cmd |= LOCK_UN; break;
|
|
|
|
default:
|
|
|
|
errno = EINVAL;
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
switch (fl->l_whence)
|
|
|
|
{
|
|
|
|
case SEEK_SET:
|
|
|
|
if (fl->l_start == 0 && fl->l_len == 0)
|
|
|
|
break;
|
|
|
|
/* FALLTHROUGH */
|
|
|
|
case SEEK_CUR:
|
|
|
|
case SEEK_END:
|
|
|
|
errno = ENOTSUP;
|
|
|
|
return -1;
|
|
|
|
default:
|
|
|
|
errno = EINVAL;
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
return __flock (fd, cmd);
|
1995-02-18 02:27:10 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
case F_GETFL: /* Get per-open flags. */
|
|
|
|
if (err = HURD_FD_PORT_USE (d, __io_get_openmodes (port, &result)))
|
|
|
|
result = __hurd_dfail (fd, err);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case F_SETFL: /* Set per-open flags. */
|
|
|
|
err = HURD_FD_PORT_USE (d, __io_set_all_openmodes (port,
|
|
|
|
va_arg (ap, int)));
|
|
|
|
result = err ? __hurd_dfail (fd, err) : 0;
|
1996-04-25 22:21:20 +02:00
|
|
|
break;
|
1995-02-18 02:27:10 +01:00
|
|
|
|
|
|
|
case F_GETOWN: /* Get owner. */
|
|
|
|
if (err = HURD_FD_PORT_USE (d, __io_get_owner (port, &result)))
|
|
|
|
result = __hurd_dfail (fd, err);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case F_SETOWN: /* Set owner. */
|
|
|
|
err = HURD_FD_PORT_USE (d, __io_mod_owner (port, va_arg (ap, pid_t)));
|
|
|
|
result = err ? __hurd_dfail (fd, err) : 0;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
va_end (ap);
|
|
|
|
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
|
Update.
2000-01-23 Philip Blundell <philb@gnu.org>
Add basic support for RPC over IPv6:
* sunrpc/rpc/svc.h (struct SVCXPRT): Use `struct sockaddr_storage'
for remote address.
(svcudp6_create, svcudp6_bufcreate, svctcp6_create): New
prototypes.
* sunrpc/rpc/clnt.h (clnttcp6_create, clntudp6_create,
clntudp6_bufcreate): New prototypes.
* inet/netinet/in.h (bindresport6): Likewise.
* sunrpc/Makefile (routines): Add svc_tcp6, svc_udp6, bindrsvprt6.
* sunrpc/Versions: Add svcfd6_create, svctcp6_create,
svcudp6_create, svcudp6_bufcreate, svcudp6_enablecache,
bindresvport6 for GLIBC_2.2.
* sunrpc/rpc_main.c: Support `tcp6' and `udp6' transport types.
* sunrpc/rpc_svcout.c: Likewise.
* sunrpc/svc_tcp.c (rendezvous_request): Use memcpy rather than
simple assignment when copying addresses.
* sunrpc/svc_udp.c (cache_get): Likewise.
* sunrpc/svc_unix.c (rendezvous_request): Likewise.
* sunrpc/bindrsvprt6.c, sunrpc/clnt_tcp6.c, sunrpc/clnt_udp6.c,
sunrpc/svc_tcp6.c, sunrpc/svc_udp6.c: New files.
2000-01-05 Philip Blundell <philb@gnu.org>
* sysdeps/unix/sysv/linux/arm/mmap64.S: Correct check for ENOSYS.
2000-01-23 Andreas Jaeger <aj@suse.de>
* sysdeps/unix/sysv/linux/i386/fxstat.c (__fxstat): Pass right
parameter to fstat calls.
2000-01-18 Roland McGrath <roland@baalperazim.frob.com>
* sysdeps/generic/bits/socket.h
(__ss_aligntype, struct sockaddr_storage): Make these like Linux
version, replacing old type name `__ss_align'.
2000-01-05 Roland McGrath <roland@baalperazim.frob.com>
* sysdeps/generic/lseek64.c (__libc_lseek64): Renamed from __lseek64.
(__lseek64, lseek64): Make these weak aliases for __libc_lseek64.
* sysdeps/mach/hurd/lseek.c (__libc_lseek): Renamed from __lseek.
(__lseek, lseek): Make these weak aliases for __libc_lseek.
* sysdeps/mach/hurd/fcntl.c (__libc_fcntl): Renamed from __fcntl.
(__fcntl, fcntl): Make these weak aliases for __libc_fcntl.
* sysdeps/mach/hurd/open.c (__libc_open): Renamed from __open.
(__open, open): Make these weak aliases for __libc_open.
* sysdeps/generic/bits/socket.h (enum __socket_type): Remove
trailing comma.
(anonymous enum for MSG_*): Likewise.
(anonymous enum for SO_*): Likewise.
2000-01-23 Ulrich Drepper <drepper@cygnus.com>
* string/bits/string2.h: Fix typo (__GNU_SOURCE -> __USE_GNU)
(PR libc/1553).
2000-01-24 03:22:13 +01:00
|
|
|
weak_alias (__libc_fcntl, __fcntl)
|
|
|
|
weak_alias (__libc_fcntl, fcntl)
|