1 #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
2 || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
4 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
6 unsigned long cw, sw, tag, ipoff, cssel, dataoff, datasel;
8 unsigned short significand[4], exponent;
13 unsigned short gs, __gsh, fs, __fsh, es, __esh, ds, __dsh;
14 unsigned long edi, esi, ebp, esp, ebx, edx, ecx, eax;
15 unsigned long trapno, err, eip;
16 unsigned short cs, __csh;
17 unsigned long eflags, esp_at_signal;
18 unsigned short ss, __ssh;
19 struct _fpstate *fpstate;
20 unsigned long oldmask, cr2;
24 struct _fpstate *fpregs;
25 unsigned long oldmask, cr2;
33 typedef struct __ucontext {
34 unsigned long uc_flags;
35 struct __ucontext *uc_link;
37 mcontext_t uc_mcontext;
39 unsigned long __fpregs_mem[28];
42 #define SA_NOCLDSTOP 1
43 #define SA_NOCLDWAIT 2
45 #define SA_ONSTACK 0x08000000
46 #define SA_RESTART 0x10000000
47 #define SA_NODEFER 0x40000000
48 #define SA_RESETHAND 0x80000000
49 #define SA_RESTORER 0x04000000
85 #define SIGUNUSED SIGSYS