xnu-1456.1.26.tar.gz

[apple/xnu.git] / bsd / ppc / signal.h

diff --git a/bsd/ppc/signal.h b/bsd/ppc/signal.h
index e4433c6b58c64101c06f845bb18dcdbc9697b1e2..31af83a023547e533305ce27b84b226fab8479f2 100644 (file)
--- a/bsd/ppc/signal.h
+++ b/bsd/ppc/signal.h
@@ -29,13 +29,25 @@
  * Copyright (c) 1992, 1993 NeXT Computer, Inc.
  */
 
-#ifndef        _PPC_SIGNAL_
-#define        _PPC_SIGNAL_ 1
+#ifndef        _PPC_SIGNAL_H_
+#define        _PPC_SIGNAL_H_ 1
+
+#include <sys/cdefs.h>
+
+#ifndef _ANSI_SOURCE
+
+typedef int sig_atomic_t; 
 
 #include <sys/appleapiopts.h>
 
 #ifdef __APPLE_API_OBSOLETE
-typedef int sig_atomic_t; 
+
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
+
+#define __need_struct_sigcontext
+#define __need_struct_sigcontext32
+#define __need_struct_sigcontext64
+#include <ppc/_structs.h>
 
 /*
  * Machine-dependant flags used in sigvec call.
@@ -61,46 +73,11 @@ typedef enum {
        REGS_SAVED_ALL                  /* All registers */
 } regs_saved_t;
 
-
-/*
- * Information pushed on stack when a signal is delivered.
- * This is used by the kernel to restore state following
- * execution of the signal handler.  It is also made available
- * to the handler to allow it to properly restore state if
- * a non-standard exit is performed.
- */
-struct sigcontext32 {
-    int                sc_onstack;     /* sigstack state to restore */
-    int                sc_mask;        /* signal mask to restore */
-    int                sc_ir;                  /* pc */
-    int                sc_psw;         /* processor status word */
-    int                sc_sp;          /* stack pointer if sc_regs == NULL */
-    void       *sc_regs;               /* (kernel private) saved state */
-};
-
-struct sigcontext64 {
-    int                sc_onstack;     /* sigstack state to restore */
-    int                sc_mask;        /* signal mask to restore */
-    long long  sc_ir;          /* pc */
-    long long  sc_psw;         /* processor status word */
-    long long  sc_sp;          /* stack pointer if sc_regs == NULL */
-    void       *sc_regs;       /* (kernel private) saved state */
-};
-
-/*
- * LP64todo - Have to decide how to handle this.
- * For now, just duplicate the 32-bit context as the generic one.
- */
-struct sigcontext {
-    int                sc_onstack;     /* sigstack state to restore */
-    int                sc_mask;        /* signal mask to restore */
-    int                sc_ir;                  /* pc */
-    int                sc_psw;         /* processor status word */
-    int                sc_sp;          /* stack pointer if sc_regs == NULL */
-    void       *sc_regs;               /* (kernel private) saved state */
-};
+#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */
 
 #endif /* __APPLE_API_OBSOLETE */
 
-#endif /* _PPC_SIGNAL_ */
+#endif /* _ANSI_SOURCE */
+
+#endif /* _PPC_SIGNAL_H_ */