[PATCH v4 21/37] Remove pthread_key_create-related internals from libc-lock.h

[Florian Weimer <fweimer@redhat.com>]

And libc-lockP.h.  This is no longer used because all internal
TLS use goes directly to the thread descriptor/TCB or uses ELF TLS.
---
 sysdeps/generic/libc-lock.h | 12 ------------
 sysdeps/htl/libc-lockP.h    | 13 -------------
 sysdeps/nptl/libc-lockP.h   | 30 +++++++-----------------------
 3 files changed, 7 insertions(+), 48 deletions(-)

diff --git a/sysdeps/generic/libc-lock.h b/sysdeps/generic/libc-lock.h
index 6b1e98e34d..c538e858ea 100644
--- a/sysdeps/generic/libc-lock.h
+++ b/sysdeps/generic/libc-lock.h
@@ -125,16 +125,4 @@
 /* We need portable names for some of the functions.  */
 #define __libc_mutex_unlock
 
-/* Type for key of thread specific data.  */
-typedef int __libc_key_t;
-
-/* Create key for thread specific data.  */
-#define __libc_key_create(KEY,DEST)	((void) (KEY), (void) (DEST), -1)
-
-/* Set thread-specific data associated with KEY to VAL.  */
-#define __libc_setspecific(KEY,VAL)	((void) (KEY), (void) (VAL))
-
-/* Get thread-specific data associated with KEY.  */
-#define __libc_getspecific(KEY)		((void) (KEY), (void *) 0)
-
 #endif	/* libc-lock.h */
diff --git a/sysdeps/htl/libc-lockP.h b/sysdeps/htl/libc-lockP.h
index f183bde680..eb09171c85 100644
--- a/sysdeps/htl/libc-lockP.h
+++ b/sysdeps/htl/libc-lockP.h
@@ -22,9 +22,6 @@
 #include <pthread.h>
 #include <pthread-functions.h>
 
-/* Type for key to thread-specific data.  */
-typedef pthread_key_t __libc_key_t;
-
 /* If we check for a weakly referenced symbol and then perform a
    normal jump to it te code generated for some platforms in case of
    PIC is unnecessarily slow.  What would happen is that the function
@@ -109,16 +106,6 @@ extern int __pthread_rwlock_trywrlock (pthread_rwlock_t *__rwlock);
 
 extern int __pthread_rwlock_unlock (pthread_rwlock_t *__rwlock);
 
-extern int __pthread_key_create (pthread_key_t *__key,
-				 void (*__destr_function) (void *));
-
-extern int __pthread_key_delete (pthread_key_t __key);
-
-extern int __pthread_setspecific (pthread_key_t __key,
-				  const void *__pointer);
-
-extern void *__pthread_getspecific (pthread_key_t __key);
-
 extern int __pthread_once (pthread_once_t *__once_control,
 			   void (*__init_routine) (void));
 
diff --git a/sysdeps/nptl/libc-lockP.h b/sysdeps/nptl/libc-lockP.h
index 441da222c2..d032463dd0 100644
--- a/sysdeps/nptl/libc-lockP.h
+++ b/sysdeps/nptl/libc-lockP.h
@@ -49,9 +49,6 @@ typedef int __libc_lock_t;
 typedef struct { pthread_mutex_t mutex; } __rtld_lock_recursive_t;
 typedef pthread_rwlock_t __libc_rwlock_t;
 
-/* Type for key to thread-specific data.  */
-typedef pthread_key_t __libc_key_t;
-
 /* Define a lock variable NAME with storage class CLASS.  The lock must be
    initialized with __libc_lock_init before it can be used (or define it
    with __libc_lock_define_initialized, below).  Use `extern' for CLASS to
@@ -267,18 +264,13 @@ __libc_cleanup_routine (struct __pthread_cleanup_frame *f)
   } while (0)
 #endif /* __EXCEPTIONS */
 
-/* Create thread-specific key.  */
-#define __libc_key_create(KEY, DESTRUCTOR) \
-  __libc_ptf_call (__pthread_key_create, (KEY, DESTRUCTOR), 1)
-
-/* Get thread-specific data.  */
-#define __libc_getspecific(KEY) \
-  __libc_ptf_call (__pthread_getspecific, (KEY), NULL)
-
-/* Set thread-specific data.  */
-#define __libc_setspecific(KEY, VALUE) \
-  __libc_ptf_call (__pthread_setspecific, (KEY, VALUE), 0)
-
+/* Register handlers to execute before and after `fork'.  Note that the
+   last parameter is NULL.  The handlers registered by the libc are
+   never removed so this is OK.  */
+extern int __register_atfork (void (*__prepare) (void),
+			      void (*__parent) (void),
+			      void (*__child) (void),
+			      void *__dso_handle);
 
 /* Functions that are used by this file and are internal to the GNU C
    library.  */
@@ -316,14 +308,6 @@ extern int __pthread_rwlock_trywrlock (pthread_rwlock_t *__rwlock);
 
 extern int __pthread_rwlock_unlock (pthread_rwlock_t *__rwlock);
 
-extern int __pthread_key_create (pthread_key_t *__key,
-				 void (*__destr_function) (void *));
-
-extern int __pthread_setspecific (pthread_key_t __key,
-				  const void *__pointer);
-
-extern void *__pthread_getspecific (pthread_key_t __key);
-
 extern int __pthread_once (pthread_once_t *__once_control,
 			   void (*__init_routine) (void));
 libc_hidden_proto (__pthread_once)
-- 
2.30.2