Update.

2000-06-08  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/unix/sysv/linux/bits/local_lim.h: Remove OPEN_MAX and
	LINK_MAX definitions if necessary.

diff --git a/linuxthreads/ChangeLog b/linuxthreads/ChangeLog
index 90c1631..4b6e585 100644 (file)
--- a/linuxthreads/ChangeLog
+++ b/linuxthreads/ChangeLog
@@ -1,3 +1,8 @@
+2000-06-08  Ulrich Drepper  <drepper@redhat.com>
+
+       * sysdeps/unix/sysv/linux/bits/local_lim.h: Remove OPEN_MAX and
+       LINK_MAX definitions if necessary.
+
 2000-06-04  Kaz Kylheku  <kaz@ashi.footprints.net>
 
        Added missing fork time handling of global libio lock.

diff --git a/linuxthreads/sysdeps/unix/sysv/linux/bits/local_lim.h b/linuxthreads/sysdeps/unix/sysv/linux/bits/local_lim.h
index 545a90b..d68384b 100644 (file)
--- a/linuxthreads/sysdeps/unix/sysv/linux/bits/local_lim.h
+++ b/linuxthreads/sysdeps/unix/sysv/linux/bits/local_lim.h
@@ -1,5 +1,5 @@
 /* Minimum guaranteed maximum values for system limits.  Linux version.
-   Copyright (C) 1993, 94, 95, 96, 97, 98 Free Software Foundation, Inc.
+   Copyright (C) 1993, 94, 95, 96, 97, 98, 2000 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
@@ -17,11 +17,20 @@
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
-/* The kernel header pollutes the namespace with the NR_OPEN symbol.
-   Remove this after including the header if necessary.  */
+/* The kernel header pollutes the namespace with the NR_OPEN symbol
+   and defines LINK_MAX although filesystems have different maxima.  A
+   similar thing is true for OPEN_MAX: the limit can be changed at
+   runtime and therefore the macro must not be defined.  Remove this
+   after including the header if necessary.  */
 #ifndef NR_OPEN
 # define __undef_NR_OPEN
 #endif
+#ifndef LINK_MAX
+# define __undef_LINK_MAX
+#endif
+#ifndef OPEN_MAX
+# define __undef_OPEN_MAX
+#endif
 
 /* The kernel sources contain a file with all the needed information.  */
 #include <linux/limits.h>
@@ -31,6 +40,16 @@
 # undef NR_OPEN
 # undef __undef_NR_OPEN
 #endif
+/* Have to remove LINK_MAX?  */
+#ifdef __undef_LINK_MAX
+# undef LINK_MAX
+# undef __undef_LINK_MAX
+#endif
+/* Have to remove OPEN_MAX?  */
+#ifdef __undef_OPEN_MAX
+# undef OPEN_MAX
+# undef __undef_OPEN_MAX
+#endif
 
 /* The number of data keys per process.  */
 #define _POSIX_THREAD_KEYS_MAX 128