FreeBSD/Linux Kernel Cross Reference
sys/sys/ucontext.h

     /*-
      * Copyright (c) 1999 Marcel Moolenaar
      * 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 
     *    in this position and unchanged.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. The name of the author may not be used to endorse or promote products
     *    derived from this software without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
     *
     * $FreeBSD: src/sys/sys/ucontext.h,v 1.4 1999/10/11 20:33:17 luoqi Exp $
     */
    
    #ifndef _SYS_UCONTEXT_H_
    #define _SYS_UCONTEXT_H_
    
    #ifndef _SYS_SIGNAL_H_
    #include <sys/signal.h>
    #endif
    #include <machine/ucontext.h>
    
    typedef struct __ucontext {
            /*
             * Keep the order of the first two fields. Also,
             * keep them the first two fields in the structure.
             * This way we can have a union with struct
             * sigcontext and ucontext_t. This allows us to
             * support them both at the same time.
             * note: the union is not defined, though.
             */
            sigset_t        uc_sigmask;
            mcontext_t      uc_mcontext;
    
            struct __ucontext *uc_link;
            stack_t         uc_stack;
            int             __spare__[8];
    } ucontext_t;
    
    #ifndef _KERNEL
     
    __BEGIN_DECLS
      
    #if __BSD_VISIBLE || __POSIX_VISIBLE < 200809
    int     getcontext(ucontext_t *);
    int     setcontext(const ucontext_t *);
    void    makecontext(ucontext_t *, void (*)(void), int, ...);
    int     swapcontext(ucontext_t *, const ucontext_t *);
    #endif
       
    __END_DECLS
    
    #endif /* !_KERNEL */
    
    #endif /* !_SYS_UCONTEXT_H_ */

Cache object: 2cde4d18836e4166f35bfc4e59135701