add directory gnu

gnu/glibc/glibc-1.03/sysdeps/mach/hurd/__write.c

@@ -0,0 +1,69 @@
+/* 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[SIGTTOI].sa_flags & SA_RESTART;
+	       __sigaddmember (SIGTTOU, &ss->pending);
+	       __mutex_unlock (&ss->lock);
+	       /* XXX deliver pending signals */
+	       if (restart)
+		 goto call;
+	       else
+		 err = EINTR;	/* XXX Is this right? */
+	     }
+	 }
+     }));
+
+  if (err)
+    return __hurd_fail (err);
+
+  return wrote;
+}
+