minix/nbsd_include/arch/i386/include/mcontext.h
2011-02-21 13:13:55 +00:00

22 lines
470 B
C

#ifndef _MACHINE_MCONTEXT_H
#define _MACHINE_MCONTEXT_H 1
#include <machine/fpu.h>
#include <machine/stackframe.h>
#define MCF_MAGIC 0xc0ffee
/* Context to describe processor state */
typedef struct __mcontext {
int mc_magic;
struct stackframe_s mc_p_reg;
union fpu_state_u mc_fpu_state;
short mc_fpu_flags;
} mcontext_t;
__BEGIN_DECLS
int setmcontext(const mcontext_t *mcp);
int getmcontext(mcontext_t *mcp);
__END_DECLS
#endif /* _MACHINE_MCONTEXT_H */