(root)/
glibc-2.38/
nptl/
pthread_attr_getstack.c
       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 "pthreadP.h"
      19  #include <shlib-compat.h>
      20  
      21  int
      22  __pthread_attr_getstack (const pthread_attr_t *attr, void **stackaddr,
      23  			 size_t *stacksize)
      24  {
      25    struct pthread_attr *iattr;
      26  
      27    iattr = (struct pthread_attr *) attr;
      28  
      29    /* Store the result.  */
      30  #if _STACK_GROWS_DOWN
      31    *stackaddr = (char *) iattr->stackaddr - iattr->stacksize;
      32  #else
      33    *stackaddr = (char *) iattr->stackaddr;
      34  #endif
      35    *stacksize = iattr->stacksize;
      36  
      37    return 0;
      38  }
      39  versioned_symbol (libpthread, __pthread_attr_getstack,
      40                    pthread_attr_getstack, GLIBC_2_34);
      41  #if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_2, GLIBC_2_34)
      42  compat_symbol (libpthread, __pthread_attr_getstack,
      43                 pthread_attr_getstack, GLIBC_2_2);
      44  #endif