9553 C11 functions quick_exit and at_quick_exit should be visible in C++11.

          --- old/usr/src/head/iso/stdlib_c11.h
          +++ new/usr/src/head/iso/stdlib_c11.h

   1    1  /*
   2    2   * This file and its contents are supplied under the terms of the
   3    3   * Common Development and Distribution License ("CDDL"), version 1.0.
   4    4   * You may only use this file in accordance with the terms of version
   5    5   * 1.0 of the CDDL.
   6    6   *
   7    7   * A full copy of the text of the CDDL should have accompanied this
   8    8   * source.  A copy of the CDDL is also available via the Internet at
   9    9   * http://www.illumos.org/license/CDDL.
  10   10   */
  11   11  
  12   12  /*
  13   13   * Copyright 2016 Joyent, Inc.
  14   14   */
  15   15  
  16   16  /*
  17   17   * An application should not include this header directly.  Instead it
  18   18   * should be included only through the inclusion of other illumos headers.
  19   19   *
  20   20   * The contents of this header is limited to identifiers specified in
  21   21   * the C11 standard and in conflict with the C++ implementation of the
  22   22   * standard header.  The C++ standard may adopt the C11 standard at
  23   23   * which point it is expected that the symbols included here will
  24   24   * become part of the C++ std namespace.
  25   25   */
  26   26  
  27   27  #ifndef _ISO_STDLIB_C11_H
  28   28  #define _ISO_STDLIB_C11_H
  29   29  
  30   30  #include <sys/feature_tests.h>
  31   31  
  32   32  #ifdef __cplusplus
  33   33  extern "C" {
  34   34  #endif
  35   35  
  36   36  #if __cplusplus >= 199711L
  37   37  namespace std {
  38   38  #endif
  39   39  
  40   40  /*
  41   41   * The following have been added as a result of the ISO/IEC 9899:2011
  42   42   * standard. For a strictly conforming C application, visibility is
  43   43   * contingent on the value of __STDC_VERSION__ (see sys/feature_tests.h).
  44   44   * For non-strictly conforming C applications, there are no restrictions
  45   45   * on the C namespace.
  46   46   */
  47   47  
  48   48  /*
  49   49   * Work around fix-includes and other bad actors with using multiple headers.
  50   50   */

  51   51  #if !defined(_NORETURN_KYWD)
  52   52  #if __STDC_VERSION__ - 0 >= 201112L
  53   53  #define _NORETURN_KYWD  _Noreturn
  54   54  #else
  55   55  #define _NORETURN_KYWD
  56   56  #endif  /* __STDC_VERSION__ - 0 >= 201112L */
  57   57  #endif  /* !defined(_NORETURN_KYWD) */
  58   58  
  59   59  #if !defined(_STRICT_SYMBOLS) || defined(_STDC_C11)
  60   60  extern void *aligned_alloc(size_t, size_t);
       61 +#endif /* !_STRICT_SYMBOLS || _STDC_C11 */
       62 +
       63 +#if !defined(_STRICT_SYMBOLS) || defined(_STDC_C11) || __cplusplus >= 201103L
  61   64  extern int at_quick_exit(void (*)(void));
  62   65  extern _NORETURN_KYWD void quick_exit(int);
  63      -#endif /* !_STRICT_SYMBOLS || _STDC_C11 */
       66 +#endif /* !_STRICT_SYMBOLS || _STDC_C11 || __cplusplus >= 201103L */
  64   67  
  65   68  #if __cplusplus >= 199711L
  66   69  }
  67   70  #endif
  68   71  
  69   72  #ifdef __cplusplus
  70   73  }
  71   74  #endif
  72   75  
  73   76  #endif /* _ISO_STDLIB_C11_H */
    

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