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- /*
- * sig.h --
- *
- * Data structures and procedure headers exported by the
- * the signal module.
- *
- * Copyright (C) 1985 Regents of the University of California
- * All rights reserved.
- *
- *
- * $Header: /sprite/src/kernel/sig/RCS/sigTypes.h,v 1.4 90/10/15 16:58:26 mendel Exp $ SPRITE (Berkeley)
- */
-
- /*
- * This is because machTypes needs Sig_Context, and Sig_Context needs
- * machTypes.
- */
-
- #ifdef KERNEL
- #include <machTypes.h>
- #else
- #include <kernel/machTypes.h>
- #endif
-
- #ifndef _SIGTYPES
- #define _SIGTYPES
-
- #ifdef KERNEL
- #include <user/sig.h>
- #include <procTypes.h>
- #else
- #include <sig.h>
- #include <kernel/procTypes.h>
- #endif
-
- /*
- * The signal context that is used to restore the state after a signal.
- */
- typedef struct {
- int oldHoldMask; /* The signal hold mask that was in
- * existence before this signal
- * handler was called. */
- Mach_SigContext machContext; /* The machine dependent context
- * to restore the process from. */
- } Sig_Context;
-
- /*
- * Structure that user sees on stack when a signal is taken.
- * Sig_Context+Sig_Stack must be double word aligned for the sun4.
- * Thus there is 4 bytes of padding here.
- */
- typedef struct {
- int sigNum; /* The number of this signal. */
- int sigCode; /* The code of this signal. */
- Sig_Context *contextPtr; /* Pointer to structure used to restore the
- * state before the signal. */
- int sigAddr; /* Address of fault. */
- int pad; /* Explained above. */
- } Sig_Stack;
-
- #endif /* _SIGTYPES */
-
-