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Diffstat (limited to 'test/nptl/tst-tls3mod.c')
-rw-r--r-- | test/nptl/tst-tls3mod.c | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/test/nptl/tst-tls3mod.c b/test/nptl/tst-tls3mod.c new file mode 100644 index 000000000..53206d30d --- /dev/null +++ b/test/nptl/tst-tls3mod.c @@ -0,0 +1,106 @@ +/* Copyright (C) 2003 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 <semaphore.h> +#include <signal.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <pthreaddef.h> +#include <tls.h> + +#if HAVE___THREAD + +static pthread_barrier_t* b = NULL; + +#define TOTAL_SIGS 1000 +static int* nsigs = NULL; + +static sem_t* s = NULL; + +static __thread void (*fp) (void); + + +#define THE_SIG SIGUSR1 +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); + } +} + +void +setup_tf (pthread_barrier_t* t_b, int* t_nsigs, sem_t* t_s) +{ + b = t_b; + nsigs = t_nsigs; + s = t_s; +} + +void * +tf (void *arg) +{ + if (!b || !s || !nsigs) + { + puts ("need to call setup_tf first"); + exit (1); + } + + if ((uintptr_t) pthread_self () & (TCB_ALIGNMENT - 1)) + { + puts ("thread's struct pthread not aligned enough"); + exit (1); + } + + if (fp != NULL) + { + printf("fp=%p\n", (void *)&fp); + puts ("fp not initially NULL"); + exit (1); + } + + fp = arg; + + pthread_barrier_wait (b); + + pthread_barrier_wait (b); + + if (*nsigs != TOTAL_SIGS) + { + puts ("barrier_wait prematurely returns"); + exit (1); + } + + return NULL; +} + +#endif |