nptl/pthread_testcancel.c

   1 /* Copyright (C) 2002-2022 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 <stdlib.h>
  19 #include "pthreadP.h"
  20 #include <shlib-compat.h>
  21
  22 void
  23 ___pthread_testcancel (void)
  24 {
  25   struct pthread *self = THREAD_SELF;
  26   int cancelhandling = atomic_load_relaxed (&self->cancelhandling);
  27   if (cancel_enabled_and_canceled (cancelhandling))
  28     {
  29       self->result = PTHREAD_CANCELED;
  30       __do_cancel ();
  31     }
  32 }
  33 versioned_symbol (libc, ___pthread_testcancel, pthread_testcancel, GLIBC_2_34);
  34 libc_hidden_ver (___pthread_testcancel, __pthread_testcancel)
  35 #ifndef SHARED
  36 strong_alias (___pthread_testcancel, __pthread_testcancel)
  37 #endif
  38
  39 #if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_0, GLIBC_2_34)
  40 compat_symbol (libc, ___pthread_testcancel, pthread_testcancel, GLIBC_2_0);
  41 #endif