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* sysdeps/unix/sysv/linux/bits/local_lim.h: Undefine OPEN_MAX
	unless user defined it.
This commit is contained in:
Ulrich Drepper 2000-06-08 06:48:41 +00:00
parent 104d06900c
commit bb7901065e
2 changed files with 15 additions and 2 deletions
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3
ChangeLog
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@ -1,5 +1,8 @@
2000-06-07 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/bits/local_lim.h: Undefine OPEN_MAX
unless user defined it.
* sysdeps/unix/sysv/linux/bits/local_lim.h: Also undefine LINK_MAX
if not defined by the user.

14
sysdeps/unix/sysv/linux/bits/local_lim.h
View File

@ -18,14 +18,19 @@
Boston, MA 02111-1307, USA. */
/* The kernel header pollutes the namespace with the NR_OPEN symbol
and defines LINK_MAX although filesystems have different maxima.
Remove this after including the header if necessary. */
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>
@ -40,6 +45,11 @@
# 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
/* Maximum amount by which a process can descrease its asynchronous I/O
priority level. */