sysdeps/pthread/tst-create1mod.c

   1 /* Verify that pthread_create does not deadlock when ctors take locks.
   2    Copyright (C) 2021-2024 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   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 <stdio.h>
  20
  21 /* Require TLS setup for the module.  */
  22 __thread int tlsvar;
  23
  24 void ctor (void);
  25 void dtor (void);
  26
  27 static void __attribute__ ((constructor))
  28 do_init (void)
  29 {
  30   dprintf (1, "constructor started: %d.\n", tlsvar++);
  31   ctor ();
  32   dprintf (1, "constructor done: %d.\n", tlsvar++);
  33 }
  34
  35 static void __attribute__ ((destructor))
  36 do_end (void)
  37 {
  38   dprintf (1, "destructor started: %d.\n", tlsvar++);
  39   dtor ();
  40   dprintf (1, "destructor done: %d.\n", tlsvar++);
  41 }