nptl/pthread_attr_setstacksize.c

   1 /* Copyright (C) 2002-2021 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <errno.h>
  20 #include <limits.h>
  21 #include "pthreadP.h"
  22 #include <shlib-compat.h>
  23
  24 #ifndef NEW_VERNUM
  25 # define NEW_VERNUM GLIBC_2_3_3
  26 #endif
  27
  28
  29 int
  30 __pthread_attr_setstacksize (pthread_attr_t *attr, size_t stacksize)
  31 {
  32   struct pthread_attr *iattr;
  33
  34   iattr = (struct pthread_attr *) attr;
  35
  36   /* Catch invalid sizes.  */
  37   int ret = check_stacksize_attr (stacksize);
  38   if (ret)
  39     return ret;
  40
  41   iattr->stacksize = stacksize;
  42
  43   return 0;
  44 }
  45 versioned_symbol (libc, __pthread_attr_setstacksize,
  46                   pthread_attr_setstacksize, GLIBC_2_34);
  47
  48
  49 #if PTHREAD_STACK_MIN == 16384
  50 # if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_1, GLIBC_2_34)
  51 compat_symbol (libpthread, __pthread_attr_setstacksize,
  52                pthread_attr_setstacksize, GLIBC_2_1);
  53 # endif
  54 #else /* PTHREAD_STACK_MIN != 16384 */
  55 # if OTHER_SHLIB_COMPAT (libpthread, NEW_VERNUM, GLIBC_2_34)
  56 compat_symbol (libpthread, __pthread_attr_setstacksize,
  57                pthread_attr_setstacksize, NEW_VERNUM);
  58 # endif
  59
  60 # if OTHER_SHLIB_COMPAT(libpthread, GLIBC_2_1, NEW_VERNUM)
  61
  62 int
  63 __old_pthread_attr_setstacksize (pthread_attr_t *attr, size_t stacksize)
  64 {
  65   struct pthread_attr *iattr;
  66
  67   iattr = (struct pthread_attr *) attr;
  68
  69   /* Catch invalid sizes.  */
  70   if (stacksize < 16384)
  71     return EINVAL;
  72
  73 #  ifdef STACKSIZE_ADJUST
  74   STACKSIZE_ADJUST;
  75 #  endif
  76
  77   iattr->stacksize = stacksize;
  78
  79   return 0;
  80 }
  81
  82 compat_symbol (libpthread, __old_pthread_attr_setstacksize,
  83                pthread_attr_setstacksize, GLIBC_2_1);
  84 # endif /* OTHER_SHLIB_COMPAT */
  85 #endif /* PTHREAD_STACK_MIN != 16384 */