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Diffstat (limited to 'test/nptl/tst-tls2.c')
| -rw-r--r-- | test/nptl/tst-tls2.c | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/test/nptl/tst-tls2.c b/test/nptl/tst-tls2.c new file mode 100644 index 000000000..3615d1b81 --- /dev/null +++ b/test/nptl/tst-tls2.c @@ -0,0 +1,216 @@ +/* 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 <errno.h> +#include <pthread.h> +#include <signal.h> +#include <semaphore.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <tls.h> + +#if HAVE___THREAD + +#define N 10 +static pthread_t th[N]; + + +#define CB(n) \ +static void \ +cb##n (void) \ +{ \ + if (th[n] != pthread_self ()) \ + { \ + write (STDOUT_FILENO, "wrong callback\n", 15); \ + _exit (1); \ + } \ +} +CB (0) +CB (1) +CB (2) +CB (3) +CB (4) +CB (5) +CB (6) +CB (7) +CB (8) +CB (9) +static void (*cbs[]) (void) = +{ + cb0, cb1, cb2, cb3, cb4, cb5, cb6, cb7, cb8, cb9 +}; + + +static __thread void (*fp) (void) __attribute__ ((tls_model ("local-exec"))); + + +static sem_t s; + + +#define THE_SIG SIGUSR1 +static void +handler (int sig) +{ + if (sig != THE_SIG) + { + write (STDOUT_FILENO, "wrong signal\n", 13); + _exit (1); + } + + fp (); + + if (sem_post (&s) != 0) + { + write (STDOUT_FILENO, "sem_post failed\n", 16); + _exit (1); + } +} + + +static pthread_barrier_t b; + +#define TOTAL_SIGS 1000 +static int nsigs; + + +static void * +tf (void *arg) +{ + fp = arg; + + pthread_barrier_wait (&b); + + pthread_barrier_wait (&b); + + if (nsigs != TOTAL_SIGS) + { + puts ("barrier_wait prematurely returns"); + exit (1); + } + + return NULL; +} +#endif + +int +do_test (void) +{ +#if !HAVE___THREAD + + puts ("No __thread support in compiler, test skipped."); + + return 0; +#else + + if (pthread_barrier_init (&b, NULL, N + 1) != 0) + { + puts ("barrier_init failed"); + exit (1); + } + + if (sem_init (&s, 0, 0) != 0) + { + puts ("sem_init failed"); + exit (1); + } + + struct sigaction sa; + sa.sa_handler = handler; + sigemptyset (&sa.sa_mask); + sa.sa_flags = 0; + if (sigaction (THE_SIG, &sa, NULL) != 0) + { + puts ("sigaction failed"); + 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; + } + + int i; + for (i = 0; i < N; ++i) + if (pthread_create (&th[i], &a, tf, cbs[i]) != 0) + { + puts ("pthread_create failed"); + exit (1); + } + + if (pthread_attr_destroy (&a) != 0) + { + puts ("attr_destroy failed"); + exit (1); + } + + pthread_barrier_wait (&b); + + sigset_t ss; + sigemptyset (&ss); + sigaddset (&ss, THE_SIG); + if (pthread_sigmask (SIG_BLOCK, &ss, NULL) != 0) + { + puts ("pthread_sigmask failed"); + exit (1); + } + + /* Start sending signals. */ + for (i = 0; i < TOTAL_SIGS; ++i) + { + if (kill (getpid (), THE_SIG) != 0) + { + puts ("kill failed"); + exit (1); + } + + if (TEMP_FAILURE_RETRY (sem_wait (&s)) != 0) + { + puts ("sem_wait failed"); + exit (1); + } + + ++nsigs; + } + + pthread_barrier_wait (&b); + + for (i = 0; i < N; ++i) + if (pthread_join (th[i], NULL) != 0) + { + puts ("join failed"); + exit (1); + } + + return 0; +#endif +} + + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" |