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, 39 insertions, 0 deletions

diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/jmp-unwind.c b/libpthread/nptl/sysdeps/unix/sysv/linux/jmp-unwind.c
new file mode 100644
index 000000000..c435eff30
--- /dev/null
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/jmp-unwind.c
@@ -0,0 +1,39 @@
+/* Clean up stack frames unwound by longjmp.  Linux version.
+   Copyright (C) 1995, 1997, 2002, 2003 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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <setjmp.h>
+#include <stddef.h>
+#include <pthreadP.h>
+
+extern void __pthread_cleanup_upto (__jmp_buf env, char *targetframe);
+#pragma weak __pthread_cleanup_upto
+
+
+void
+_longjmp_unwind (jmp_buf env, int val)
+{
+#ifdef SHARED
+# define fptr __libc_pthread_functions.ptr___pthread_cleanup_upto
+#else
+# define fptr __pthread_cleanup_upto
+#endif
+
+  if (fptr != NULL)
+    fptr (env->__jmpbuf, CURRENT_STACK_FRAME);
+}