From e64ac02c24b43659048622714afdc92fedf561fa Mon Sep 17 00:00:00 2001 From: Joseph Myers Date: Sun, 1 Jul 2012 13:06:41 +0000 Subject: Move all files into ports/ subdirectory in preparation for merge with glibc --- ports/sysdeps/unix/sysv/linux/ia64/swapcontext.c | 39 ++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 ports/sysdeps/unix/sysv/linux/ia64/swapcontext.c (limited to 'ports/sysdeps/unix/sysv/linux/ia64/swapcontext.c') diff --git a/ports/sysdeps/unix/sysv/linux/ia64/swapcontext.c b/ports/sysdeps/unix/sysv/linux/ia64/swapcontext.c new file mode 100644 index 0000000000..20a20ac2ba --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/ia64/swapcontext.c @@ -0,0 +1,39 @@ +/* Copyright (C) 2001-2012 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by David Mosberger-Tang . + + 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, see + . */ + +#include + +struct rv + { + long retval; + long first_return; + }; + +extern struct rv __getcontext (ucontext_t *__ucp) __THROW; +extern int __setcontext (const ucontext_t *__ucp) __THROW; + +int +__swapcontext (ucontext_t *oucp, const ucontext_t *ucp) +{ + struct rv rv = __getcontext (oucp); + if (rv.first_return) + __setcontext (ucp); + return 0; +} + +weak_alias (__swapcontext, swapcontext) -- cgit 1.4.1