mirror of
https://github.com/0intro/libtask
synced 2024-12-22 19:16:55 +03:00
78 lines
3.1 KiB
C
78 lines
3.1 KiB
C
typedef struct mcontext mcontext_t;
|
|
typedef struct ucontext ucontext_t;
|
|
|
|
extern int swapcontext(ucontext_t*, const ucontext_t*);
|
|
extern void makecontext(ucontext_t*, void(*)(), int, ...);
|
|
|
|
/*
|
|
* Copyright (c) 1992, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* Ralph Campbell.
|
|
*
|
|
* 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. 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.
|
|
* 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
|
|
*
|
|
* @(#)ucontext.h 8.1 (Berkeley) 6/10/93
|
|
* JNPR: ucontext.h,v 1.2 2007/08/09 11:23:32 katta
|
|
* $FreeBSD: src/sys/mips/include/ucontext.h,v 1.2 2010/01/10 19:50:24 imp Exp $
|
|
*/
|
|
|
|
struct mcontext {
|
|
/*
|
|
* These fields must match the corresponding fields in struct
|
|
* sigcontext which follow 'sc_mask'. That way we can support
|
|
* struct sigcontext and ucontext_t at the same time.
|
|
*/
|
|
int mc_onstack; /* sigstack state to restore */
|
|
int mc_pc; /* pc at time of signal */
|
|
int mc_regs[32]; /* processor regs 0 to 31 */
|
|
int sr; /* status register */
|
|
int mullo, mulhi; /* mullo and mulhi registers... */
|
|
int mc_fpused; /* fp has been used */
|
|
int mc_fpregs[33]; /* fp regs 0 to 31 and csr */
|
|
int mc_fpc_eir; /* fp exception instruction reg */
|
|
void *mc_tls; /* pointer to TLS area */
|
|
int __spare__[8]; /* XXX reserved */
|
|
};
|
|
|
|
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;
|
|
int __spare__[4];
|
|
};
|