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authorUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
committerUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
commita334319f6530564d22e775935d9c91663623a1b4 (patch)
treeb5877475619e4c938e98757d518bb1e9cbead751 /sysdeps/generic/unlockpt.c
parent0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff)
downloadglibc-a334319f6530564d22e775935d9c91663623a1b4.tar.gz
(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'sysdeps/generic/unlockpt.c')
-rw-r--r--sysdeps/generic/unlockpt.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/sysdeps/generic/unlockpt.c b/sysdeps/generic/unlockpt.c
new file mode 100644
index 0000000000..c5c4890f59
--- /dev/null
+++ b/sysdeps/generic/unlockpt.c
@@ -0,0 +1,35 @@
+/* Copyright (C) 1998 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Zack Weinberg <zack@rabi.phys.columbia.edu>, 1998.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <stdlib.h>
+#include <errno.h>
+
+/* Given a fd on a master pseudoterminal, clear a kernel lock so that
+ the slave can be opened. This is to avoid a race between opening the
+ master and calling grantpt() to take possession of the slave. */
+int
+unlockpt (fd)
+ int fd __attribute__ ((unused));
+{
+ __set_errno (ENOSYS);
+ return -1;
+}
+
+stub_warning (unlockpt)
+#include <stub-tag.h>