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Diffstat (limited to 'sysdeps/mach/hurd/sysd-stdio.c')
-rw-r--r--sysdeps/mach/hurd/sysd-stdio.c257
1 files changed, 0 insertions, 257 deletions
diff --git a/sysdeps/mach/hurd/sysd-stdio.c b/sysdeps/mach/hurd/sysd-stdio.c
deleted file mode 100644
index 14a2aee232..0000000000
--- a/sysdeps/mach/hurd/sysd-stdio.c
+++ /dev/null
@@ -1,257 +0,0 @@
-/* Copyright (C) 1994,95,96,97,98,2001 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- 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.
-
- 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
- Lesser General Public License for more details.
-
- 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. */
-
-#include <errno.h>
-#include <stdio.h>
-#include <sys/types.h>
-#include <hurd.h>
-#include <fcntl.h>
-#include <hurd/fd.h>
-
-extern __io_read_fn __stdio_read;
-extern __io_write_fn __stdio_write;
-extern __io_seek_fn __stdio_seek;
-extern __io_close_fn __stdio_close;
-extern __io_fileno_fn __stdio_fileno;
-
-
-/* Check ERR for wanting to generate a signal. */
-
-static inline int
-fd_fail (struct hurd_fd *fd, error_t err)
-{
- int signo = _hurd_fd_error_signal (err);
- if (signo)
- {
- const struct hurd_signal_detail detail
- = { code: __stdio_fileno (fd), error: err, exc: 0 };
- _hurd_raise_signal (NULL, signo, &detail);
- }
- errno = err;
- return -1;
-}
-
-
-/* Read up to N chars into BUF from COOKIE.
- Return how many chars were read, 0 for EOF or -1 for error. */
-ssize_t
-__stdio_read (cookie, buf, n)
- void *cookie;
- char *buf;
- size_t n;
-{
- error_t err;
- struct hurd_fd *fd = cookie;
-
- if (! fd)
- return __hurd_fail (EBADF);
-
- if (err = _hurd_fd_read (fd, buf, &n, -1))
- return fd_fail (fd, err);
-
- return n;
-}
-
-/* Write up to N chars from BUF to COOKIE.
- Return how many chars were written or -1 for error. */
-ssize_t
-__stdio_write (cookie, buf, n)
- void *cookie;
- const char *buf;
- size_t n;
-{
- error_t err;
- size_t wrote, nleft;
- struct hurd_fd *fd = cookie;
-
- if (! fd)
- return __hurd_fail (EBADF);
-
- nleft = n;
- do
- {
- wrote = nleft;
- if (err = _hurd_fd_write (fd, buf, &wrote, -1))
- return fd_fail (fd, err);
- buf += wrote;
- nleft -= wrote;
- } while (nleft > 0);
-
- return wrote;
-}
-
-/* Move COOKIE's file position *POS bytes, according to WHENCE.
- The current file position is stored in *POS.
- Returns zero if successful, nonzero if not. */
-int
-__stdio_seek (cookie, pos, whence)
- void *cookie;
- fpos_t *pos;
- int whence;
-{
- error_t err;
- struct hurd_fd *fd = cookie;
- if (! fd)
- return __hurd_fail (EBADF);
- err = HURD_FD_PORT_USE (fd, __io_seek (port, *pos, whence, pos));
- return err ? fd_fail (fd, err) : 0;
-}
-
-/* Close the file associated with COOKIE.
- Return 0 for success or -1 for failure. */
-int
-__stdio_close (cookie)
- void *cookie;
-{
- error_t error = cookie ? _hurd_fd_close (cookie) : EBADF;
- return error ? fd_fail (cookie, error) : 0;
-}
-
-
-static inline int
-modeflags (__io_mode m)
-{
- int flags = 0;
- if (m.__read)
- flags |= O_READ;
- if (m.__write)
- flags |= O_WRITE;
- if (m.__append)
- flags |= O_APPEND;
- if (m.__create)
- flags |= O_CREAT;
- if (m.__truncate)
- flags |= O_TRUNC;
- if (m.__exclusive)
- flags |= O_EXCL;
- return flags;
-}
-
-/* Open FILENAME with the mode in M. */
-int
-__stdio_open (filename, m, cookieptr)
- const char *filename;
- __io_mode m;
- void **cookieptr;
-{
- int flags;
- file_t port;
- struct hurd_fd *d;
-
- flags = modeflags (m);
- port = __file_name_lookup (filename, flags, 0666 & ~_hurd_umask);
- if (port == MACH_PORT_NULL)
- return -1;
-
- HURD_CRITICAL_BEGIN;
- d = _hurd_alloc_fd (NULL, 0);
- if (d != NULL)
- {
- _hurd_port2fd (d, port, flags);
- __spin_unlock (&d->port.lock);
- }
- HURD_CRITICAL_END;
-
- *cookieptr = d;
- return 0;
-}
-
-
-/* Open FILENAME with the mode in M. Use the same magic cookie
- already in *COOKIEPTR if possible, closing the old cookie with CLOSEFN. */
-int
-__stdio_reopen (const char *filename,
- __io_mode m,
- void **cookieptr,
- __io_close_fn closefn)
-{
- int flags;
- file_t port;
- struct hurd_fd *d;
-
- if (closefn != __stdio_close)
- {
- /* The old cookie is Not Of The Body.
- Just close it and do a normal open. */
- (*closefn) (*cookieptr);
- return __stdio_open (filename, m, cookieptr);
- }
-
- /* Open a new port on the file. */
- flags = modeflags (m);
- port = __file_name_lookup (filename, flags, 0666 & ~_hurd_umask);
-
- /* Install the new port in the same file descriptor slot the old cookie
- points to. If opening the file failed, PORT will be MACH_PORT_NULL
- and installing it in the descriptor will have the effect of closing
- the old descriptor. */
-
- d = *cookieptr;
- HURD_CRITICAL_BEGIN;
- __spin_lock (&d->port.lock);
- _hurd_port2fd (d, port, flags);
- __spin_unlock (&d->port.lock);
- HURD_CRITICAL_END;
-
- return port == MACH_PORT_NULL ? -1 : 0;
-}
-
-
-/* Write a message to the error output.
- Try hard to make it really get out. */
-void
-__stdio_errmsg (msg, len)
- const char *msg;
- size_t len;
-{
- io_t server;
- mach_msg_type_number_t wrote;
-
- server = __getdport (2);
- __io_write (server, msg, len, -1, &wrote);
- __mach_port_deallocate (__mach_task_self (), server);
-}
-
-
-/* Return the POSIX.1 file descriptor associated with COOKIE,
- or -1 for errors. If COOKIE does not relate to any POSIX.1 file
- descriptor, this should return -1 with errno set to EOPNOTSUPP. */
-int
-__stdio_fileno (cookie)
- void *cookie;
-{
- int fd;
-
- if (! cookie)
- return __hurd_fail (EBADF);
-
- __mutex_lock (&_hurd_dtable_lock);
- for (fd = 0; fd < _hurd_dtablesize; ++fd)
- if (_hurd_dtable[fd] == cookie)
- {
- __mutex_unlock (&_hurd_dtable_lock);
- return fd;
- }
- __mutex_unlock (&_hurd_dtable_lock);
-
- /* This should never happen, because this function should not be
- installed as a stream's __fileno function unless that stream's cookie
- points to a file descriptor. */
- errno = EGRATUITOUS;
- return -1;
-}
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