1 files changed, 56 insertions, 0 deletions
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/fork.h b/libpthread/nptl/sysdeps/unix/sysv/linux/fork.h
new file mode 100644
index 000000000..bcdf6217c
--- /dev/null
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/fork.h
@@ -0,0 +1,56 @@
+/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+   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 <lowlevellock.h>
+
+/* The fork generation counter, defined in libpthread.  */
+extern unsigned long int __fork_generation attribute_hidden;
+
+/* Pointer to the fork generation counter in the thread library.  */
+extern unsigned long int *__fork_generation_pointer attribute_hidden;
+
+/* Lock to protect allocation and deallocation of fork handlers.  */
+extern lll_lock_t __fork_lock attribute_hidden;
+
+/* Elements of the fork handler lists.  */
+struct fork_handler
+{
+  struct fork_handler *next;
+  void (*prepare_handler) (void);
+  void (*parent_handler) (void);
+  void (*child_handler) (void);
+  void *dso_handle;
+  unsigned int refcntr;
+  int need_signal;
+};
+
+/* The single linked list of all currently registered for handlers.  */
+extern struct fork_handler *__fork_handlers;
+
+
+/* Function to call to unregister fork handlers.  */
+extern void __unregister_atfork (void *dso_handle) attribute_hidden;
+#define UNREGISTER_ATFORK(dso_handle) __unregister_atfork (dso_handle)
+
+
+/* C library side function to register new fork handlers.  */
+extern int __register_atfork (void (*__prepare) (void),
+			      void (*__parent) (void),
+			      void (*__child) (void),
+			      void *dso_handle);