1  /* A GNU-like <sched.h>.
       2     Copyright (C) 2008-2022 Free Software Foundation, Inc.
       3  
       4     This file is free software: you can redistribute it and/or modify
       5     it under the terms of the GNU Lesser General Public License as
       6     published by the Free Software Foundation; either version 2.1 of the
       7     License, or (at your option) any later version.
       8  
       9     This file is distributed in the hope that it will be useful,
      10     but WITHOUT ANY WARRANTY; without even the implied warranty of
      11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      12     GNU Lesser General Public License for more details.
      13  
      14     You should have received a copy of the GNU Lesser General Public License
      15     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
      16  
      17  #ifndef _@GUARD_PREFIX@_SCHED_H
      18  
      19  #if __GNUC__ >= 3
      20  @PRAGMA_SYSTEM_HEADER@
      21  #endif
      22  @PRAGMA_COLUMNS@
      23  
      24  /* The include_next requires a split double-inclusion guard.  */
      25  #if @HAVE_SCHED_H@
      26  # if @HAVE_SYS_CDEFS_H@
      27  #  include <sys/cdefs.h>
      28  # endif
      29  # @INCLUDE_NEXT@ @NEXT_SCHED_H@
      30  #endif
      31  
      32  #ifndef _@GUARD_PREFIX@_SCHED_H
      33  #define _@GUARD_PREFIX@_SCHED_H
      34  
      35  /* Get pid_t.
      36     This is needed on glibc 2.11 (see
      37     glibc bug <https://sourceware.org/bugzilla/show_bug.cgi?id=13198>)
      38     and Mac OS X 10.5.  */
      39  #include <sys/types.h>
      40  
      41  #ifdef __KLIBC__
      42  /* On OS/2 kLIBC, struct sched_param is in spawn.h.  */
      43  # include <spawn.h>
      44  #endif
      45  
      46  #ifdef __VMS
      47  /* On OpenVMS, struct sched_param is in <pthread.h>.  */
      48  # include <pthread.h>
      49  #endif
      50  
      51  /* The definitions of _GL_FUNCDECL_RPL etc. are copied here.  */
      52  
      53  /* The definition of _GL_WARN_ON_USE is copied here.  */
      54  
      55  #if !@HAVE_STRUCT_SCHED_PARAM@
      56  
      57  # if !GNULIB_defined_struct_sched_param
      58  struct sched_param
      59  {
      60    int sched_priority;
      61  };
      62  #  define GNULIB_defined_struct_sched_param 1
      63  # endif
      64  
      65  #endif
      66  
      67  #if !(defined SCHED_FIFO && defined SCHED_RR && defined SCHED_OTHER)
      68  # define SCHED_FIFO   1
      69  # define SCHED_RR     2
      70  # define SCHED_OTHER  0
      71  #endif
      72  
      73  #if @GNULIB_SCHED_YIELD@
      74  # if @REPLACE_SCHED_YIELD@
      75  #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
      76  #   undef sched_yield
      77  #   define sched_yield rpl_sched_yield
      78  #  endif
      79  _GL_FUNCDECL_RPL (sched_yield, int, (void));
      80  _GL_CXXALIAS_RPL (sched_yield, int, (void));
      81  # else
      82  #  if !@HAVE_SCHED_YIELD@
      83  _GL_FUNCDECL_SYS (sched_yield, int, (void));
      84  #  endif
      85  _GL_CXXALIAS_SYS (sched_yield, int, (void));
      86  # endif
      87  # if __GLIBC__ >= 2
      88  _GL_CXXALIASWARN (sched_yield);
      89  # endif
      90  #elif defined GNULIB_POSIXCHECK
      91  # undef sched_yield
      92  # if HAVE_RAW_DECL_SCHED_YIELD
      93  _GL_WARN_ON_USE (sched_yield, "sched_yield is not portable - "
      94                   "use gnulib module sched_yield for portability");
      95  # endif
      96  #endif
      97  
      98  #endif /* _@GUARD_PREFIX@_SCHED_H */
      99  #endif /* _@GUARD_PREFIX@_SCHED_H */