3772 consider raising default descriptor soft limit

@@ -80,30 +80,14 @@
 
 /*
  * Select uses bit masks of file descriptors in longs.
  * These macros manipulate such bit fields.
  * FD_SETSIZE may be defined by the user, but the default here
- * should be >= NOFILE (param.h).
+ * should be >= RLIM_FD_MAX.
  */
 #ifndef FD_SETSIZE
-#ifdef _LP64
 #define FD_SETSIZE      65536
-#else
-#define FD_SETSIZE      1024
-#endif  /* _LP64 */
-#elif FD_SETSIZE > 1024 && !defined(_LP64)
-#ifdef __PRAGMA_REDEFINE_EXTNAME
-#pragma redefine_extname        select  select_large_fdset
-#if !defined(__XOPEN_OR_POSIX) || defined(_XPG6) || defined(__EXTENSIONS__)
-#pragma redefine_extname        pselect pselect_large_fdset
-#endif
-#else   /* __PRAGMA_REDEFINE_EXTNAME */
-#define select  select_large_fdset
-#if !defined(__XOPEN_OR_POSIX) || defined(_XPG6) || defined(__EXTENSIONS__)
-#define pselect pselect_large_fdset
-#endif
-#endif  /* __PRAGMA_REDEFINE_EXTNAME */
 #endif  /* FD_SETSIZE */
 
 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
 typedef long    fd_mask;
 #endif