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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2020-02-09 17:55:37 +0000
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2020-02-09 17:55:37 +0000
commit6db1094f7af6ddd7ff37dbba82ff5074871a90d5 (patch)
tree97fafb91c50a18f43fca48d65108f1b6adecdcab /htl/forward.c
parent44a41fc2536f86f95fa7df36a2285101bb4157a3 (diff)
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htl: Move __register_atfork from forward to own file
Since we need it also in the static linking case.
Diffstat (limited to 'htl/forward.c')
-rw-r--r--htl/forward.c138
1 files changed, 0 insertions, 138 deletions
diff --git a/htl/forward.c b/htl/forward.c
index b0cc5f574b..dfb7b79327 100644
--- a/htl/forward.c
+++ b/htl/forward.c
@@ -143,141 +143,3 @@ FORWARD (pthread_setcanceltype, (int type, int *oldtype), (type, oldtype), 0)
 struct __pthread_cancelation_handler *dummy_list;
 FORWARD2 (__pthread_get_cleanup_stack, struct __pthread_cancelation_handler **,
 	  (void), (), return &dummy_list);
-
-
-/* Fork interaction */
-
-struct atfork
-{
-  void (*prepare) (void);
-  void (*parent) (void);
-  void (*child) (void);
-  void *dso_handle;
-  struct atfork *prev;
-  struct atfork *next;
-};
-
-/* TODO: better locking */
-__libc_lock_define_initialized (static, atfork_lock);
-static struct atfork *fork_handlers, *fork_last_handler;
-
-static void
-atfork_pthread_prepare (void)
-{
-  struct atfork *handlers, *last_handler;
-
-  __libc_lock_lock (atfork_lock);
-  handlers = fork_handlers;
-  last_handler = fork_last_handler;
-  __libc_lock_unlock (atfork_lock);
-
-  if (last_handler == NULL)
-    return;
-
-  while (1)
-    {
-      if (last_handler->prepare != NULL)
-	last_handler->prepare ();
-      if (last_handler == handlers)
-	break;
-      last_handler = last_handler->prev;
-    }
-}
-text_set_element (_hurd_atfork_prepare_hook, atfork_pthread_prepare);
-
-static void
-atfork_pthread_parent (void)
-{
-  struct atfork *handlers;
-
-  __libc_lock_lock (atfork_lock);
-  handlers = fork_handlers;
-  __libc_lock_unlock (atfork_lock);
-
-  while (handlers != NULL)
-    {
-      if (handlers->parent != NULL)
-	handlers->parent ();
-      handlers = handlers->next;
-    }
-}
-text_set_element (_hurd_atfork_parent_hook, atfork_pthread_parent);
-
-static void
-atfork_pthread_child (void)
-{
-  struct atfork *handlers;
-
-  __libc_lock_lock (atfork_lock);
-  handlers = fork_handlers;
-  __libc_lock_unlock (atfork_lock);
-
-  while (handlers != NULL)
-    {
-      if (handlers->child != NULL)
-	handlers->child ();
-      handlers = handlers->next;
-    }
-}
-text_set_element (_hurd_atfork_child_hook, atfork_pthread_child);
-
-int
-__register_atfork (void (*prepare) (void),
-		   void (*parent) (void),
-		   void (*child) (void),
-		   void *dso_handle)
-{
-  struct atfork *new = malloc (sizeof (*new));
-  if (new == NULL)
-    return errno;
-
-  new->prepare = prepare;
-  new->parent = parent;
-  new->child = child;
-  new->dso_handle = dso_handle;
-  new->prev = NULL;
-
-  __libc_lock_lock (atfork_lock);
-  new->next = fork_handlers;
-  if (fork_handlers != NULL)
-    fork_handlers->prev = new;
-  fork_handlers = new;
-  if (fork_last_handler == NULL)
-    fork_last_handler = new;
-  __libc_lock_unlock (atfork_lock);
-
-  return 0;
-}
-libc_hidden_def (__register_atfork)
-
-void
-__unregister_atfork (void *dso_handle)
-{
-  struct atfork **handlers, *prev = NULL, *next;
-  __libc_lock_lock (atfork_lock);
-  handlers = &fork_handlers;
-  while (*handlers != NULL)
-    {
-      if ((*handlers)->dso_handle == dso_handle)
-	{
-	  /* Drop this handler from the list.  */
-	  if (*handlers == fork_last_handler)
-	    {
-	      /* Was last, new last is prev, if any.  */
-	      fork_last_handler = prev;
-	    }
-
-	  next = (*handlers)->next;
-	  if (next != NULL)
-	    next->prev = prev;
-	  *handlers = next;
-	}
-      else
-	{
-	  /* Just proceed to next handler.  */
-	  prev = *handlers;
-	  handlers = &prev->next;
-	}
-    }
-  __libc_lock_unlock (atfork_lock);
-}