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- /* Copyright (C) 1991, 1992 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 Library General Public License as
- published by the Free Software Foundation; either version 2 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If
- not, write to the Free Software Foundation, Inc., 675 Mass Ave,
- Cambridge, MA 02139, USA. */
-
- #include <ansidecl.h>
- #include <errno.h>
- #include <unistd.h>
- #include <hurd.h>
-
- ssize_t
- DEFUN(__write, (fd, buf, nbytes),
- int fd AND CONST PTR buf AND size_t nbytes)
- {
- error_t err;
- size_t wrote;
-
- data = buf;
- !! _HURD_DPORT_USE
- (fd,
- ({
- call:
- err = __io_write (port, buf, nbytes, -1, &wrote);
- if (ctty != MACH_PORT_NULL && err == EBACKGROUND)
- {
- struct _hurd_sigstate *ss
- = _hurd_thread_sigstate (__mach_thread_self ());
- if (_hurd_orphaned ||
- __sigismember (SIGTTOU, &ss->blocked) ||
- ss->actions[SIGTTOU].sa_handler == SIG_IGN)
- {
- /* We are orphaned, or are blocking or ignoring SIGTTOU.
- Return EIO instead of stopping. */
- __mutex_unlock (&ss->lock);
- err = EIO;
- }
- else
- {
- const int restart = ss->actions[SIGTTOU].sa_flags & SA_RESTART;
- _hurd_raise_signal (ss, SIGTTOU, 0); /* Unlocks SS->lock. */
- if (restart)
- goto call;
- else
- err = EINTR; /* XXX Is this right? */
- }
- }
- }));
-
- if (err)
- return __hurd_dfail (fd, err);
-
- return wrote;
- }
-
-