Merged changes from kopensolaris-gnu project

http://git.csclub.uwaterloo.ca/?p=kopensolaris-gnu/glibc.git

Commits from 9157319 to bad8ac8.

This is only partial patch, some changes to not apply
and will be resovled and committed next.

1 files changed, 69 insertions, 0 deletions

diff --git a/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/fdwalk.c b/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/fdwalk.c
new file mode 100644
index 0000000000..a03d2c8961
--- /dev/null
+++ b/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/fdwalk.c
@@ -0,0 +1,69 @@
+/* Copyright (C) 2008 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by David Bartley <dtbartle@csclub.uwaterloo.ca>, 2008.
+
+   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 <stdlib.h>
+#include <dirent.h>
+#include <sys/resource.h>
+
+/* Docs: http://docs.sun.com/app/docs/doc/816-5168/fdwalk-3c  */
+
+int fdwalk (int (*func)(void *, int), void *cd)
+{
+  int res = 0;
+  DIR *dir;
+
+  dir = opendir ("/proc/self/fd");
+  if (dir)
+    {
+      /* Note that fdwalk is not required to be thread-safe so we don't need to
+         use the _r version.  */
+      struct dirent *dirent;
+      while ((dirent = readdir (dir)))
+	{
+	  int fd;
+
+	  if (dirent->d_name[0] == '.')
+	    continue;
+	  fd = atoi (dirent->d_name);
+	  if (fd == dirfd (dir))
+	    continue;
+	  res = (*func)(cd, fd);
+	  if (res != 0)
+	    break;
+	}
+
+      (void) closedir (dir);
+    }
+  else
+    {
+      struct rlimit rlim;
+      int fd;
+
+      if (getrlimit (RLIMIT_NOFILE, &rlim) != 0)
+	return -1;
+      for (fd = 0; fd < rlim.rlim_max; fd++)
+	{
+	  res = (*func)(cd, fd);
+	  if (res != 0)
+	    break;
+	}
+    }
+
+  return res;
+}