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-rw-r--r--lib/unistd.in.h13
1 files changed, 11 insertions, 2 deletions
diff --git a/lib/unistd.in.h b/lib/unistd.in.h
index 874c628a63b..0e510d679c6 100644
--- a/lib/unistd.in.h
+++ b/lib/unistd.in.h
@@ -654,10 +654,19 @@ _GL_WARN_ON_USE (getdomainname, "getdomainname is unportable - "
#if @GNULIB_GETDTABLESIZE@
/* Return the maximum number of file descriptors in the current process.
In POSIX, this is same as sysconf (_SC_OPEN_MAX). */
-# if !@HAVE_GETDTABLESIZE@
+# if @REPLACE_GETDTABLESIZE@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef getdtablesize
+# define getdtablesize rpl_getdtablesize
+# endif
+_GL_FUNCDECL_RPL (getdtablesize, int, (void));
+_GL_CXXALIAS_RPL (getdtablesize, int, (void));
+# else
+# if !@HAVE_GETDTABLESIZE@
_GL_FUNCDECL_SYS (getdtablesize, int, (void));
-# endif
+# endif
_GL_CXXALIAS_SYS (getdtablesize, int, (void));
+# endif
_GL_CXXALIASWARN (getdtablesize);
#elif defined GNULIB_POSIXCHECK
# undef getdtablesize