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FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //usr/include/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: release/9.1.0/sys/sys/ucontext.h 235539 2012-05-17 10:25:34Z dim $ */ #ifndef _SYS_UCONTEXT_H_ #define _SYS_UCONTEXT_H_ #include <sys/signal.h> #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 uc_flags; #define UCF_SWAPPED 0x00000001 /* Used by swapcontext(3). */ int __spare__[4]; } ucontext_t; #if defined(_KERNEL) && defined(COMPAT_FREEBSD4) #if defined(__i386__) struct ucontext4 { sigset_t uc_sigmask; struct mcontext4 uc_mcontext; struct ucontext4 *uc_link; stack_t uc_stack; int __spare__[8]; }; #else /* __i386__ */ #define ucontext4 ucontext #endif /* __i386__ */ #endif /* _KERNEL */ #ifndef _KERNEL __BEGIN_DECLS int getcontext(ucontext_t *) __returns_twice; ucontext_t *getcontextx(void); int setcontext(const ucontext_t *); void makecontext(ucontext_t *, void (*)(void), int, ...); int signalcontext(ucontext_t *, int, __sighandler_t *); int swapcontext(ucontext_t *, const ucontext_t *); #if __BSD_VISIBLE int __getcontextx_size(void); int __fillcontextx(char *ctx); #endif __END_DECLS #else /* _KERNEL */ struct thread; /* * Flags for get_mcontext(). The low order 4 bits (i.e a mask of 0x0f) are * reserved for use by machine independent code. All other bits are for use * by machine dependent code. */ #define GET_MC_CLEAR_RET 1 /* Machine-dependent functions: */ int get_mcontext(struct thread *, mcontext_t *, int); int set_mcontext(struct thread *, const mcontext_t *); #endif /* !_KERNEL */ #endif /* !_SYS_UCONTEXT_H_ */