NPTL: Refactor named semaphore code to use shm-directory.h

2 files changed, 43 insertions, 0 deletions

diff --git a/sysdeps/nptl/bits/libc-lockP.h b/sysdeps/nptl/bits/libc-lockP.h
index 78c5453..fa8c866 100644
--- a/sysdeps/nptl/bits/libc-lockP.h
+++ b/sysdeps/nptl/bits/libc-lockP.h
@@ -34,6 +34,12 @@
 #include <tls.h>
 #include <pthread-functions.h>
 
+#if IS_IN (libpthread)
+/* This gets us the declarations of the __pthread_* internal names,
+   and hidden_proto for them.  */
+# include <nptl/pthreadP.h>
+#endif
+
 /* Mutex type.  */
 #if !IS_IN (libc) && !IS_IN (libpthread)
 typedef pthread_mutex_t __libc_lock_t;
@@ -114,6 +120,12 @@ typedef pthread_key_t __libc_key_t;
   (__libc_pthread_functions_init ? PTHFCT_CALL (ptr_##FUNC, ARGS) : ELSE)
 # define __libc_ptf_call_always(FUNC, ARGS) \
   PTHFCT_CALL (ptr_##FUNC, ARGS)
+#elif IS_IN (libpthread)
+# define PTFAVAIL(NAME) 1
+# define __libc_ptf_call(FUNC, ARGS, ELSE) \
+  FUNC ARGS
+# define __libc_ptf_call_always(FUNC, ARGS) \
+  FUNC ARGS
 #else
 # define PTFAVAIL(NAME) (NAME != NULL)
 # define __libc_ptf_call(FUNC, ARGS, ELSE) \
diff --git a/sysdeps/nptl/shm-directory.h b/sysdeps/nptl/shm-directory.h
new file mode 100644
index 0000000..ae4d80a
--- /dev/null
+++ b/sysdeps/nptl/shm-directory.h
@@ -0,0 +1,31 @@
+/* Header for directory for shm/sem files.  NPTL version.
+   Copyright (C) 2014 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _SHM_DIRECTORY_H
+
+#include <sysdeps/posix/shm-directory.h>
+
+/* For NPTL the __shm_directory function lives in libpthread.
+   We don't want PLT calls from there.  But it's also used from
+   librt, so it cannot just be declared hidden.  */
+
+#if IS_IN (libpthread)
+hidden_proto (__shm_directory)
+#endif
+
+#endif  /* shm-directory.h */