nptl/pthread_attr_setstacksize.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 <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 */