libpthread/nptl: core of the "Native Posix Threading Library" for uClibc

targetting arm,sh,i386,mips,sparc for now

Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

1 files changed, 59 insertions, 0 deletions

diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/libc_pthread_init.c b/libpthread/nptl/sysdeps/unix/sysv/linux/libc_pthread_init.c
new file mode 100644
index 000000000..5d3bcb0d6
--- /dev/null
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/libc_pthread_init.c
@@ -0,0 +1,59 @@
+/* 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 <unistd.h>
+#include <list.h>
+#include "fork.h"
+#include <tls.h>
+#include <string.h>
+#include <pthreadP.h>
+#include <bits/libc-lock.h>
+
+libc_hidden_proto(memcpy)
+
+#ifdef TLS_MULTIPLE_THREADS_IN_TCB
+void
+#else
+extern int __libc_multiple_threads attribute_hidden;
+
+int *
+#endif
+__libc_pthread_init (ptr, reclaim, functions)
+     unsigned long int *ptr;
+     void (*reclaim) (void);
+     const struct pthread_functions *functions;
+{
+  /* Remember the pointer to the generation counter in libpthread.  */
+  __fork_generation_pointer = ptr;
+
+  /* Called by a child after fork.  */
+  __register_atfork (NULL, NULL, reclaim, NULL);
+
+#ifdef SHARED
+  /* We copy the content of the variable pointed to by the FUNCTIONS
+     parameter to one in libc.so since this means access to the array
+     can be done with one memory access instead of two.  */
+  memcpy (&__libc_pthread_functions, functions,
+	  sizeof (__libc_pthread_functions));
+#endif
+
+#ifndef TLS_MULTIPLE_THREADS_IN_TCB
+  return &__libc_multiple_threads;
+#endif
+}