xref: /xnu-11215/bsd/sys/_types/_sigaltstack.h (revision a5e72196)
1 /*
2  * Copyright (c) 2003-2012 Apple Inc. All rights reserved.
3  *
4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5  *
6  * This file contains Original Code and/or Modifications of Original Code
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8  * Version 2.0 (the 'License'). You may not use this file except in
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10  * may not be used to create, or enable the creation or redistribution of,
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15  * Please obtain a copy of the License at
16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
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27  */
28 
29 /* Structure used in sigaltstack call. */
30 #ifndef _STRUCT_SIGALTSTACK
31 
32 #include <sys/cdefs.h> /* __DARWIN_UNIX03 */
33 
34 #if __DARWIN_UNIX03
35 #define _STRUCT_SIGALTSTACK     struct __darwin_sigaltstack
36 #else /* !__DARWIN_UNIX03 */
37 #define _STRUCT_SIGALTSTACK     struct sigaltstack
38 #endif /* __DARWIN_UNIX03 */
39 
40 #include <machine/types.h> /* __darwin_size_t */
41 
42 _STRUCT_SIGALTSTACK
43 {
44 	void            *ss_sp;         /* signal stack base */
45 	__darwin_size_t ss_size;        /* signal stack length */
46 	int             ss_flags;       /* SA_DISABLE and/or SA_ONSTACK */
47 };
48 typedef _STRUCT_SIGALTSTACK     stack_t; /* [???] signal stack */
49 
50 #endif /* _STRUCT_SIGALTSTACK */
51