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Diffstat (limited to 'test/nptl/tst-tls1.c')
| -rw-r--r-- | test/nptl/tst-tls1.c | 122 | 
1 files changed, 122 insertions, 0 deletions
| diff --git a/test/nptl/tst-tls1.c b/test/nptl/tst-tls1.c new file mode 100644 index 000000000..541035ea7 --- /dev/null +++ b/test/nptl/tst-tls1.c @@ -0,0 +1,122 @@ +/* Copyright (C) 2003, 2004 Free Software Foundation, Inc. +   This file is part of the GNU C Library. +   Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. + +   The GNU C Library is free software; you can redistribute it and/or +   modify it under the terms of the GNU Lesser General Public +   License as published by the Free Software Foundation; either +   version 2.1 of the License, or (at your option) any later version. + +   The GNU C Library is distributed in the hope that it will be useful, +   but WITHOUT ANY WARRANTY; without even the implied warranty of +   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU +   Lesser General Public License for more details. + +   You should have received a copy of the GNU Lesser General Public +   License along with the GNU C Library; if not, write to the Free +   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA +   02111-1307 USA.  */ + +#include <pthread.h> +#include <stdio.h> +#include <stdlib.h> +#include <tls.h> + +#if HAVE___THREAD +struct test_s +{ +  int a; +  int b; +}; + +#define INIT_A 1 +#define INIT_B 42 +/* Deliberately not static.  */ +__thread struct test_s s __attribute__ ((tls_model ("initial-exec"))) = +{ +  .a = INIT_A, +  .b = INIT_B +}; + + +static void * +tf (void *arg) +{ +  if (s.a != INIT_A || s.b != INIT_B) +    { +      puts ("initial value of s in child thread wrong"); +      exit (1); +    } + +  ++s.a; + +  return NULL; +} +#endif + + +int +do_test (void) +{ +#if !HAVE___THREAD + +  puts ("No __thread support in compiler, test skipped."); + +  return 0; +#else + +  if (s.a != INIT_A || s.b != INIT_B) +    { +      puts ("initial value of s in main thread wrong"); +      exit (1); +    } + +  pthread_attr_t a; + +  if (pthread_attr_init (&a) != 0) +    { +      puts ("attr_init failed"); +      exit (1); +    } + +  if (pthread_attr_setstacksize (&a, 1 * 1024 * 1024) != 0) +    { +      puts ("attr_setstacksize failed"); +      return 1; +    } + +#define N 10 +  int i; +  for (i = 0; i < N; ++i) +    { +#define M 10 +      pthread_t th[M]; +      int j; +      for (j = 0; j < M; ++j, ++s.a) +	if (pthread_create (&th[j], &a, tf, NULL) != 0) +	  { +	    puts ("pthread_create failed"); +	    exit (1); +	  } + +      for (j = 0; j < M; ++j) +	if (pthread_join (th[j], NULL) != 0) +	  { +	    puts ("pthread_join failed"); +	    exit (1); +	  } +    } + +  if (pthread_attr_destroy (&a) != 0) +    { +      puts ("attr_destroy failed"); +      exit (1); +    } + +  return 0; +#endif +} + + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" | 
