support the ugly and deprecated ucontext and sigcontext header stuff...

[musl] / arch / x86_64 / bits / signal.h

diff --git a/arch/x86_64/bits/signal.h b/arch/x86_64/bits/signal.h
index 02c54d5..73b0128 100644 (file)
--- a/arch/x86_64/bits/signal.h
+++ b/arch/x86_64/bits/signal.h
@@ -1,3 +1,38 @@
+#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
+ || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE)
+
+struct __fpstate {
+       unsigned long __x[4];
+       unsigned char __y[384];
+       unsigned long __z[12];
+};
+
+typedef struct {
+       unsigned long __gregs[23];
+       void *__fpregs;
+       unsigned long __reserved1[8];
+} 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
+struct sigcontext {
+       unsigned long r8, r9, r10, r11, r12, r13, r14, r15;
+       unsigned long rdi, rsi, rbp, rbx, rdx, rax, rcx, rsp, rip, eflags;
+       unsigned short cs, gs, fs, __pad0;
+       unsigned long err, trapno, oldmask, cr2;
+       struct __fpstate *fpstate;
+       unsigned long __reserved1[8];
+};
+#endif
+
 struct __siginfo
 {
        int si_signo;
@@ -11,7 +46,7 @@ struct __siginfo
                        uid_t si_uid;
                } __kill;
                struct {
-                       timer_t si_timerid;
+                       void *si_timerid;
                        int si_overrun;
                        char __pad[sizeof(uid_t) - sizeof(int)];
                        union sigval si_sigval;
@@ -65,12 +100,17 @@ struct __siginfo
 #define SIG_UNBLOCK   1
 #define SIG_SETMASK   2
 
-#define SIG_ERR  ((void (*)(int))-1)
-#define SIG_DFL  ((void (*)(int)) 0)
-#define SIG_IGN  ((void (*)(int)) 1)
 #define SIG_HOLD ((void (*)(int)) 2)
 
+#endif
+
+#ifdef _GNU_SOURCE
 #define NSIG      64
+#endif
+
+#define SIG_ERR  ((void (*)(int))-1)
+#define SIG_DFL  ((void (*)(int)) 0)
+#define SIG_IGN  ((void (*)(int)) 1)
 
 #define SIGHUP    1
 #define SIGINT    2