diff options
Diffstat (limited to 'REORG.TODO/nptl/tst-tls3.c')
| -rw-r--r-- | REORG.TODO/nptl/tst-tls3.c | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/REORG.TODO/nptl/tst-tls3.c b/REORG.TODO/nptl/tst-tls3.c new file mode 100644 index 0000000000..f768e88d54 --- /dev/null +++ b/REORG.TODO/nptl/tst-tls3.c @@ -0,0 +1,215 @@ +/* Copyright (C) 2003-2017 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, see + <http://www.gnu.org/licenses/>. */ + +#include <dlfcn.h> +#include <errno.h> +#include <pthread.h> +#include <signal.h> +#include <semaphore.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <pthreaddef.h> + +#define THE_SIG SIGUSR1 + +/* The stack size can be overriden. With a sufficiently large stack + size, thread stacks for terminated threads are freed, but this does + not happen with the default size of 1 MiB. */ +enum { default_stack_size_in_mb = 1 }; +static long stack_size_in_mb; + +#define N 10 +static pthread_t th[N]; + + +static int do_test (void); + +#define TIMEOUT 5 +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" + +#define CB(n) \ +static void \ +cb##n (void) \ +{ \ + if (th[n] != pthread_self ()) \ + { \ + write_message ("wrong callback\n"); \ + _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 +}; + + +sem_t s; + + +pthread_barrier_t b; + +#define TOTAL_SIGS 1000 +int nsigs; + + +int +do_test (void) +{ + if (stack_size_in_mb == 0) + stack_size_in_mb = default_stack_size_in_mb; + + if ((uintptr_t) pthread_self () & (TCB_ALIGNMENT - 1)) + { + puts ("initial thread's struct pthread not aligned enough"); + exit (1); + } + + 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); + } + + void *h = dlopen ("tst-tls3mod.so", RTLD_LAZY); + if (h == NULL) + { + puts ("dlopen failed"); + exit (1); + } + + void *(*tf) (void *) = dlsym (h, "tf"); + if (tf == NULL) + { + puts ("dlsym for tf failed"); + exit (1); + } + + struct sigaction sa; + sa.sa_handler = dlsym (h, "handler"); + if (sa.sa_handler == NULL) + { + puts ("dlsym for handler failed"); + exit (1); + } + 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, stack_size_in_mb * 1024 * 1024) != 0) + { + puts ("attr_setstacksize failed"); + return 1; + } + + int r; + for (r = 0; r < 10; ++r) + { + int i; + for (i = 0; i < N; ++i) + if (pthread_create (&th[i], &a, tf, cbs[i]) != 0) + { + puts ("pthread_create failed"); + exit (1); + } + + nsigs = 0; + + 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); + + if (pthread_sigmask (SIG_UNBLOCK, &ss, NULL) != 0) + { + puts ("pthread_sigmask failed"); + exit (1); + } + + for (i = 0; i < N; ++i) + if (pthread_join (th[i], NULL) != 0) + { + puts ("join failed"); + exit (1); + } + } + + if (pthread_attr_destroy (&a) != 0) + { + puts ("attr_destroy failed"); + exit (1); + } + + return 0; +} |