9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*      Copyright (c) 1988 AT&T     */
  22 /*        All Rights Reserved   */
  23 
  24 
  25 /*
  26  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  27  * Use is subject to license terms.
  28  */



  29 
  30 #ifndef _UCONTEXT_H
  31 #define _UCONTEXT_H
  32 
  33 #include <sys/ucontext.h>
  34 
  35 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
  36 #include <sys/siginfo.h>
  37 #endif
  38 
  39 #ifdef  __cplusplus
  40 extern "C" {
  41 #endif
  42 








  43 #ifdef __sparc
  44 #ifdef __PRAGMA_REDEFINE_EXTNAME
  45 #pragma redefine_extname        makecontext     __makecontext_v2
  46 #else
  47 #define makecontext     __makecontext_v2
  48 #endif
  49 #endif
  50 
  51 #if defined(__STDC__)
  52 
  53 extern int getcontext(ucontext_t *) __RETURNS_TWICE;
  54 #pragma unknown_control_flow(getcontext)
  55 extern int setcontext(const ucontext_t *) __NORETURN;
  56 extern int swapcontext(ucontext_t *_RESTRICT_KYWD,
  57                 const ucontext_t *_RESTRICT_KYWD);
  58 extern void makecontext(ucontext_t *, void(*)(), int, ...);


  59 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
  60 extern int walkcontext(const ucontext_t *, int (*)(uintptr_t, int, void *),
  61     void *);
  62 extern int printstack(int);
  63 extern int addrtosymstr(void *, char *, int);
  64 extern int getustack(stack_t **);
  65 extern int setustack(stack_t *);
  66 
  67 extern int stack_getbounds(stack_t *);
  68 extern int stack_setbounds(const stack_t *);
  69 extern int stack_inbounds(void *);
  70 extern int stack_violation(int, const siginfo_t *, const ucontext_t *);
  71 
  72 extern void *_stack_grow(void *);
  73 #endif
  74 #else
  75 
  76 extern int getcontext() __RETURNS_TWICE;
  77 #pragma unknown_control_flow(getcontext)
  78 extern int setcontext();
  79 extern int swapcontext();
  80 extern void makecontext();
  81 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
  82 extern int walkcontext();
  83 extern int printstack();
  84 extern int addrtosymstr();
  85 extern int getustack();
  86 extern int setustack();
  87 
  88 extern int stack_getbounds();
  89 extern int stack_setbounds();
  90 extern int stack_inbounds();
  91 extern int stack_violation();
  92 
  93 extern void *_stack_grow();
  94 #endif
  95 #endif
  96 
  97 #ifdef  __cplusplus
  98 }
  99 #endif
 100 
 101 #endif  /* _UCONTEXT_H */

   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*      Copyright (c) 1988 AT&T     */
  22 /*        All Rights Reserved   */
  23 
  24 
  25 /*
  26  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  27  * Use is subject to license terms.
  28  */
  29 /*
  30  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
  31  */
  32 
  33 #ifndef _UCONTEXT_H
  34 #define _UCONTEXT_H
  35 
  36 #include <sys/ucontext.h>
  37 
  38 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
  39 #include <sys/siginfo.h>
  40 #endif
  41 
  42 #ifdef  __cplusplus
  43 extern "C" {
  44 #endif
  45 
  46 /*
  47  * Arguably, under _XPG7, applications should not even include this
  48  * header, since it isn't part of Issue 7.  We apply some paranoia for
  49  * the functions that were explicity removed, although we could likely
  50  * just ignore the darn thing altogether.
  51  */
  52 #if (!defined(_STRICT_SYMBOLS)) || (defined(_XPG4_2) && !defined(_XPG7))
  53 
  54 #ifdef __sparc
  55 #ifdef __PRAGMA_REDEFINE_EXTNAME
  56 #pragma redefine_extname        makecontext     __makecontext_v2
  57 #else
  58 #define makecontext     __makecontext_v2
  59 #endif
  60 #endif
  61 


  62 extern int getcontext(ucontext_t *) __RETURNS_TWICE;
  63 #pragma unknown_control_flow(getcontext)
  64 extern int setcontext(const ucontext_t *) __NORETURN;
  65 extern int swapcontext(ucontext_t *_RESTRICT_KYWD,
  66                 const ucontext_t *_RESTRICT_KYWD);
  67 extern void makecontext(ucontext_t *, void(*)(), int, ...);
  68 #endif /* !_STRICT_SYMBOLS || _XGP4_2 && ! _XPG7 */
  69 
  70 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
  71 extern int walkcontext(const ucontext_t *, int (*)(uintptr_t, int, void *),
  72     void *);
  73 extern int printstack(int);
  74 extern int addrtosymstr(void *, char *, int);
  75 extern int getustack(stack_t **);
  76 extern int setustack(stack_t *);
  77 
  78 extern int stack_getbounds(stack_t *);
  79 extern int stack_setbounds(const stack_t *);
  80 extern int stack_inbounds(void *);
  81 extern int stack_violation(int, const siginfo_t *, const ucontext_t *);
  82 
  83 extern void *_stack_grow(void *);
  84 #endif

  85 





















  86 #ifdef  __cplusplus
  87 }
  88 #endif
  89 
  90 #endif  /* _UCONTEXT_H */