mirror of
https://github.com/freebsd/freebsd-src
synced 2024-07-22 02:37:15 +00:00
8269e7673c
Remove core system call implementations and documentation to lib/libsys and lib/libsys/<arch> from lib/libc/sys and lib/libc/<arch>/<sys>. Update paths to allow libc to find them in their new home. Reviewed by: kib, emaste, imp Pull Request: https://github.com/freebsd/freebsd-src/pull/908
50 lines
2 KiB
C
50 lines
2 KiB
C
/*
|
|
* Copyright (c) 2001 Daniel M. Eischen <deischen@freebsd.org>
|
|
* Copyright (c) 2014 The FreeBSD Foundation.
|
|
* All rights reserved.
|
|
*
|
|
* Portions of this software were developed by Konstantin Belousov
|
|
* under sponsorship from the FreeBSD Foundation.
|
|
*
|
|
* 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/param.h>
|
|
#include <sys/signal.h>
|
|
#include <sys/ucontext.h>
|
|
#include <errno.h>
|
|
#include <stddef.h>
|
|
#include "libc_private.h"
|
|
|
|
__weak_reference(__sys_swapcontext, __swapcontext);
|
|
__sym_compat(swapcontext, __impl_swapcontext, FBSD_1.0);
|
|
__weak_reference(swapcontext, __impl_swapcontext);
|
|
__sym_default(swapcontext, swapcontext, FBSD_1.2);
|
|
|
|
#pragma weak swapcontext
|
|
int
|
|
swapcontext(ucontext_t *oucp, const ucontext_t *ucp)
|
|
{
|
|
return (((int (*)(ucontext_t *, const ucontext_t *))
|
|
__libsys_interposing[INTERPOS_swapcontext])(oucp, ucp));
|
|
}
|