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authorRoland McGrath <roland@gnu.org>2005-10-15 02:23:56 +0000
committerRoland McGrath <roland@gnu.org>2005-10-15 02:23:56 +0000
commit63be256ac14a5a67f4201525ae475e7c50be5fd6 (patch)
treec212d624b8f3209ee33ab8c290aed4964e409c92 /sysdeps/mach/hurd/opendir.c
parent4c16d207581b0cc22ab48f6857e7854e4e487d43 (diff)
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* sysdeps/mach/hurd/opendir.c (_hurd_fd_opendir): New function, broken
	out of ...
	(__opendir): ... here.  Call it.
	* sysdeps/mach/hurd/fdopendir.c: New file.
Diffstat (limited to 'sysdeps/mach/hurd/opendir.c')
-rw-r--r--sysdeps/mach/hurd/opendir.c65
1 files changed, 41 insertions, 24 deletions
diff --git a/sysdeps/mach/hurd/opendir.c b/sysdeps/mach/hurd/opendir.c
index a1ff947f06..949db0fff5 100644
--- a/sysdeps/mach/hurd/opendir.c
+++ b/sysdeps/mach/hurd/opendir.c
@@ -1,4 +1,5 @@
-/* Copyright (C) 1993,94,95,96,97,98,2001,2003 Free Software Foundation, Inc.
+/* Copyright (C) 1993,94,95,96,97,98,2001,2003,2005
+	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
@@ -32,13 +33,46 @@
 #include "dirstream.h"
 
 
+/* Open a directory stream on a file descriptor in Hurd internal form.
+   We do no checking here on the descriptor.  */
+DIR *
+_hurd_fd_opendir (struct hurd_fd *d)
+{
+  DIR *dirp;
+
+  if (d == NULL)
+    {
+      errno = EBADF;
+      return NULL;
+    }
+
+  dirp = (DIR *) malloc (sizeof (DIR));
+  if (dirp == NULL)
+    return NULL;
+
+  /* Set the descriptor to close on exec. */
+  __spin_lock (&d->port.lock);
+  d->flags |= FD_CLOEXEC;
+  __spin_unlock (&d->port.lock);
+
+  dirp->__fd = d;
+  dirp->__data = dirp->__ptr = NULL;
+  dirp->__entry_data = dirp->__entry_ptr = 0;
+  dirp->__allocation = 0;
+  dirp->__size = 0;
+
+  __libc_lock_init (dirp->__lock);
+
+  return dirp;
+}
+
+
 /* Open a directory stream on NAME.  */
 DIR *
 __opendir (const char *name)
 {
-  DIR *dirp;
   int fd;
-  struct hurd_fd *d;
+  DIR *dirp;
 
   if (name[0] == '\0')
     {
@@ -71,29 +105,12 @@ __opendir (const char *name)
   if (fd < 0)
     return NULL;
 
-  dirp = (DIR *) malloc (sizeof (DIR));
-  if (dirp == NULL)
-    {
-      __close (fd);
-      return NULL;
-    }
-
   /* Extract the pointer to the descriptor structure.  */
-  __mutex_lock (&_hurd_dtable_lock);
-  d = dirp->__fd = _hurd_dtable[fd];
-  __mutex_unlock (&_hurd_dtable_lock);
-
-  /* Set the descriptor to close on exec. */
-  __spin_lock (&d->port.lock);
-  d->flags |= FD_CLOEXEC;
-  __spin_unlock (&d->port.lock);
-
-  dirp->__data = dirp->__ptr = NULL;
-  dirp->__entry_data = dirp->__entry_ptr = 0;
-  dirp->__allocation = 0;
-  dirp->__size = 0;
+  dirp = _hurd_fd_opendir (_hurd_fd_get (fd));
+  if (dirp == NULL)
+    __close (fd);
 
-  __libc_lock_init (dirp->__lock);
+    }
 
   return dirp;
 }