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Diffstat (limited to 'nptl/tst-signal6.c')
| -rw-r--r-- | nptl/tst-signal6.c | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/nptl/tst-signal6.c b/nptl/tst-signal6.c deleted file mode 100644 index fcf7031..0000000 --- a/nptl/tst-signal6.c +++ /dev/null @@ -1,197 +0,0 @@ -/* Copyright (C) 2003-2020 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 - <https://www.gnu.org/licenses/>. */ - -#include <pthread.h> -#include <signal.h> -#include <stdint.h> -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> - - -#ifdef SIGRTMIN - -# define N 2 -static pthread_barrier_t bar; -static struct -{ - void *p; - pthread_t s; -} ti[N]; -static int sig1; - - -static void -handler (int sig) -{ - pthread_t self = pthread_self (); - size_t i; - - for (i = 0; i < N; ++i) - if (ti[i].s == self) - { - if ((uintptr_t) ti[i].p <= (uintptr_t) &self - && (uintptr_t) ti[i].p + 2 * MINSIGSTKSZ > (uintptr_t) &self) - { - puts ("alt stack not used"); - exit (1); - } - - printf ("thread %zu used alt stack for signal %d\n", i, sig); - - return; - } - - puts ("handler: thread not found"); - exit (1); -} - - -static void * -tf (void *arg) -{ - size_t nr = (uintptr_t) arg; - if (nr >= N) - { - puts ("wrong nr parameter"); - exit (1); - } - - sigset_t ss; - sigemptyset (&ss); - size_t i; - for (i = 0; i < N; ++i) - if (i != nr) - if (sigaddset (&ss, sig1 + i) != 0) - { - puts ("tf: sigaddset failed"); - exit (1); - } - if (pthread_sigmask (SIG_BLOCK, &ss, NULL) != 0) - { - puts ("tf: sigmask failed"); - exit (1); - } - - void *p = malloc (2 * MINSIGSTKSZ); - if (p == NULL) - { - puts ("tf: malloc failed"); - exit (1); - } - - stack_t s; - s.ss_sp = p; - s.ss_size = 2 * MINSIGSTKSZ; - s.ss_flags = 0; - if (sigaltstack (&s, NULL) != 0) - { - puts ("tf: sigaltstack failed"); - exit (1); - } - - ti[nr].p = p; - ti[nr].s = pthread_self (); - - pthread_barrier_wait (&bar); - - pthread_barrier_wait (&bar); - - return NULL; -} - - -static int -do_test (void) -{ - sig1 = SIGRTMIN; - if (sig1 + N > SIGRTMAX) - { - puts ("too few RT signals"); - return 0; - } - - struct sigaction sa; - sa.sa_handler = handler; - sa.sa_flags = 0; - sigemptyset (&sa.sa_mask); - - if (sigaction (sig1, &sa, NULL) != 0 - || sigaction (sig1 + 1, &sa, NULL) != 0 - || sigaction (sig1 + 2, &sa, NULL) != 0) - { - puts ("sigaction failed"); - return 1; - } - - if (pthread_barrier_init (&bar, NULL, 1 + N) != 0) - { - puts ("barrier_init failed"); - return 1; - } - - pthread_t th[N]; - size_t i; - for (i = 0; i < N; ++i) - if (pthread_create (&th[i], NULL, tf, (void *) (long int) i) != 0) - { - puts ("create failed"); - return 1; - } - - /* Block the three signals. */ - sigset_t ss; - sigemptyset (&ss); - for (i = 0; i <= N; ++i) - sigaddset (&ss, sig1 + i); - if (pthread_sigmask (SIG_BLOCK, &ss, NULL) != 0) - { - puts ("main: sigmask failed"); - return 1; - } - - pthread_barrier_wait (&bar); - - /* Send some signals. */ - pid_t me = getpid (); - kill (me, sig1 + N); - for (i = 0; i < N; ++i) - kill (me, sig1 + i); - kill (me, sig1 + N); - - /* Give the signals a chance to be worked on. */ - sleep (1); - - pthread_barrier_wait (&bar); - - for (i = 0; i < N; ++i) - if (pthread_join (th[i], NULL) != 0) - { - puts ("join failed"); - return 1; - } - - return 0; -} - -# define TEST_FUNCTION do_test () - -#else -# define TEST_FUNCTION 0 -#endif -#include "../test-skeleton.c" |