diff options
Diffstat (limited to 'lib/libc/gen/swapcontext.c')
-rw-r--r-- | lib/libc/gen/swapcontext.c | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/lib/libc/gen/swapcontext.c b/lib/libc/gen/swapcontext.c deleted file mode 100644 index c34cb23..0000000 --- a/lib/libc/gen/swapcontext.c +++ /dev/null @@ -1,55 +0,0 @@ -/* - * Copyright (c) 2001 Daniel M. Eischen <deischen@freebsd.org> - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Neither the name of the author nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/param.h> -#include <sys/signal.h> -#include <sys/ucontext.h> - -#include <errno.h> -#include <stddef.h> - -__weak_reference(__swapcontext, swapcontext); - -int -__swapcontext(ucontext_t *oucp, const ucontext_t *ucp) -{ - int ret; - - if ((oucp == NULL) || (ucp == NULL)) { - errno = EINVAL; - return (-1); - } - oucp->uc_flags &= ~UCF_SWAPPED; - ret = getcontext(oucp); - if ((ret == 0) && !(oucp->uc_flags & UCF_SWAPPED)) { - oucp->uc_flags |= UCF_SWAPPED; - ret = setcontext(ucp); - } - return (ret); -} |