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 <limits.h>
      20  #include "pthreadP.h"
      21  #include <shlib-compat.h>
      22  
      23  #ifndef NEW_VERNUM
      24  # define NEW_VERNUM GLIBC_2_3_3
      25  #endif
      26  
      27  
      28  int
      29  __pthread_attr_setstacksize (pthread_attr_t *attr, size_t stacksize)
      30  {
      31    struct pthread_attr *iattr;
      32  
      33    iattr = (struct pthread_attr *) attr;
      34  
      35    /* Catch invalid sizes.  */
      36    int ret = check_stacksize_attr (stacksize);
      37    if (ret)
      38      return ret;
      39  
      40    iattr->stacksize = stacksize;
      41  
      42    return 0;
      43  }
      44  versioned_symbol (libc, __pthread_attr_setstacksize,
      45  		  pthread_attr_setstacksize, GLIBC_2_34);
      46  
      47  
      48  #if PTHREAD_STACK_MIN == 16384
      49  # if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_1, GLIBC_2_34)
      50  compat_symbol (libpthread, __pthread_attr_setstacksize,
      51  	       pthread_attr_setstacksize, GLIBC_2_1);
      52  # endif
      53  #else /* PTHREAD_STACK_MIN != 16384 */
      54  # if OTHER_SHLIB_COMPAT (libpthread, NEW_VERNUM, GLIBC_2_34)
      55  compat_symbol (libpthread, __pthread_attr_setstacksize,
      56  	       pthread_attr_setstacksize, NEW_VERNUM);
      57  # endif
      58  
      59  # if OTHER_SHLIB_COMPAT(libpthread, GLIBC_2_1, NEW_VERNUM)
      60  
      61  int
      62  __old_pthread_attr_setstacksize (pthread_attr_t *attr, size_t stacksize)
      63  {
      64    struct pthread_attr *iattr;
      65  
      66    iattr = (struct pthread_attr *) attr;
      67  
      68    /* Catch invalid sizes.  */
      69    if (stacksize < 16384)
      70      return EINVAL;
      71  
      72  #  ifdef STACKSIZE_ADJUST
      73    STACKSIZE_ADJUST;
      74  #  endif
      75  
      76    iattr->stacksize = stacksize;
      77  
      78    return 0;
      79  }
      80  
      81  compat_symbol (libpthread, __old_pthread_attr_setstacksize,
      82  	       pthread_attr_setstacksize, GLIBC_2_1);
      83  # endif /* OTHER_SHLIB_COMPAT */
      84  #endif /* PTHREAD_STACK_MIN != 16384 */