#include <signal.h>
-struct __fpstate {
- unsigned long __x[7];
- unsigned char __y[80];
- unsigned long __z;
-};
-
-typedef struct {
- unsigned long __gregs[19];
- void *__fpregs;
- unsigned long __oldmask, __cr2;
-} mcontext_t;
-
-typedef struct __ucontext {
- unsigned long uc_flags;
- struct __ucontext *uc_link;
- stack_t uc_stack;
- mcontext_t uc_mcontext;
- sigset_t uc_sigmask;
- struct __fpstate __fpregs_mem;
-} ucontext_t;
+#ifdef _GNU_SOURCE
+#define ucontext __ucontext
+#endif
int getcontext(ucontext_t *);
void makecontext(ucontext_t *, void (*)(void), int, ...);