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Diffstat (limited to 'sysdeps/unix/sysv/linux/nscd_setup_thread.c')
-rw-r--r--sysdeps/unix/sysv/linux/nscd_setup_thread.c49
1 files changed, 0 insertions, 49 deletions
diff --git a/sysdeps/unix/sysv/linux/nscd_setup_thread.c b/sysdeps/unix/sysv/linux/nscd_setup_thread.c
deleted file mode 100644
index 0c5694dc15..0000000000
--- a/sysdeps/unix/sysv/linux/nscd_setup_thread.c
+++ /dev/null
@@ -1,49 +0,0 @@
-/* Setup of nscd worker threads. Linux verison.
- Copyright (C) 2004-2017 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Ulrich Drepper <drepper@redhat.com>, 2004.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published
- by the Free Software Foundation; version 2 of the License, or
- (at your option) any later version.
-
- This program 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 General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, see <http://www.gnu.org/licenses/>. */
-
-#include <string.h>
-#include <unistd.h>
-#include <nscd.h>
-#include <sysdep.h>
-
-
-int
-setup_thread (struct database_dyn *db)
-{
-#ifdef __NR_set_tid_address
- /* Only supported when NPTL is used. */
- char buf[100];
- if (confstr (_CS_GNU_LIBPTHREAD_VERSION, buf, sizeof (buf)) >= sizeof (buf)
- || strncmp (buf, "NPTL", 4) != 0)
- return 0;
-
- /* Do not try this at home, kids. We play with the SETTID address
- even thought the process is multi-threaded. This can only work
- since none of the threads ever terminates. */
- INTERNAL_SYSCALL_DECL (err);
- int r = INTERNAL_SYSCALL (set_tid_address, err, 1,
- &db->head->nscd_certainly_running);
- if (!INTERNAL_SYSCALL_ERROR_P (r, err))
- /* We know the kernel can reset this field when nscd terminates.
- So, set the field to a nonzero value which indicates that nscd
- is certainly running and clients can skip the test. */
- return db->head->nscd_certainly_running = 1;
-#endif
-
- return 0;
-}