1  /* Copyright (C) 2002-2023 Free Software Foundation, Inc.
       2     This file is part of the GNU C Library.
       3  
       4     The GNU C Library is free software; you can redistribute it and/or
       5     modify it under the terms of the GNU Lesser General Public
       6     License as published by the Free Software Foundation; either
       7     version 2.1 of the License, or (at your option) any later version.
       8  
       9     The GNU C Library 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 GNU
      12     Lesser General Public License for more details.
      13  
      14     You should have received a copy of the GNU Lesser General Public
      15     License along with the GNU C Library; if not, see
      16     <https://www.gnu.org/licenses/>.  */
      17  
      18  #include <errno.h>
      19  #include <sched.h>
      20  #include <string.h>
      21  #include <sysdep.h>
      22  #include <unistd.h>
      23  #include <sys/types.h>
      24  #include <shlib-compat.h>
      25  
      26  
      27  extern int __sched_setaffinity_new (pid_t, size_t, const cpu_set_t *);
      28  libc_hidden_proto (__sched_setaffinity_new)
      29  
      30  int
      31  __sched_setaffinity_new (pid_t pid, size_t cpusetsize, const cpu_set_t *cpuset)
      32  {
      33    int result = INLINE_SYSCALL (sched_setaffinity, 3, pid, cpusetsize, cpuset);
      34  
      35    return result;
      36  }
      37  libc_hidden_def (__sched_setaffinity_new)
      38  versioned_symbol (libc, __sched_setaffinity_new, sched_setaffinity,
      39  		  GLIBC_2_3_4);
      40  
      41  
      42  #if SHLIB_COMPAT (libc, GLIBC_2_3_3, GLIBC_2_3_4)
      43  int
      44  attribute_compat_text_section
      45  __sched_setaffinity_old (pid_t pid, const cpu_set_t *cpuset)
      46  {
      47    /* The old interface by default assumed a 1024 processor bitmap.  */
      48    return __sched_setaffinity_new (pid, 128, cpuset);
      49  }
      50  compat_symbol (libc, __sched_setaffinity_old, sched_setaffinity, GLIBC_2_3_3);
      51  #endif